item: #1 of 77 id: jpagronomy-1005 author: Alegre, J.; Lao, C.; Silva, C.; Schrevens, E. title: Recovering degraded lands in the Peruvian Amazon by cover crops and sustainable agroforestry systems date: 2017-11-30 words: 2981 flesch: 57 summary: Contribution of agroforestry trees to nutrient requirement of intercropped plants. Initial degraded compacted soils were covered with degraded grass (Brachiaria brizantha) and weeds, and the soil were very acid (80% of Al saturation) with 4 ppm of P and low soil organic matter and cation exchange capacity. keywords: agroforestry; alegre; biomass; centrosema; cover; crops; soil; systems; trees cache: jpagronomy-1005.pdf plain text: jpagronomy-1005.txt item: #2 of 77 id: jpagronomy-1062 author: Tuesta, O.; Santistevan, M.; Borjas, R.; Castro, V.; Julca, A. title: Sustainability of cacao farms in the district of Huicungo (San Martín, Perú) with the “rapid agroecological method” date: 2017-12-29 words: 3466 flesch: 56 summary: Resumen Este trabajo se llevó a cabo con el objetivo de determinar la sostenibilidad de las fincas de cacao en el distrito de Huicungo (San Martín, Perú) utilizando el “Método Agroecológico Rápido”. Sostenibilidad de la caficultura arábica en el ámbito de la agricultura familiar en el estado de Espírito Santo-Brasil. keywords: cacao; farms; huicungo; martín; perú; san; soil; sustainability; type cache: jpagronomy-1062.pdf plain text: jpagronomy-1062.txt item: #3 of 77 id: jpagronomy-1063 author: Gomez, L.; Aldaba, G.; Ibañez, M.; Aguilar, E. title: Development of advanced mutant lines of barley with higher mineral concentrations through radiation-induced mutagenesis in Perú date: 2017-12-29 words: 5040 flesch: 61 summary: The mass of a thousand grains is a good indicator of quality of malting and feed barley; the amount of malt extract, is positively correlated with grain size (Madić et al., 2005; Madić et al., 2006). Globally there is evidence of improvement in food and malting barley quality (Swanston et al., 2002; Tamm, 2003). keywords: barley; et al; gamma; grain; lines; mutations; plant; quality; yield cache: jpagronomy-1063.pdf plain text: jpagronomy-1063.txt item: #4 of 77 id: jpagronomy-1064 author: Ignacio, S.; Camarena, F.; Baudoin, J.; Blas, R. title: Ethno-Botany and in-situ conservation of the genetic diversity of arracacha (Arracacia xanthorrhiza Bancroft), yacon (Smallanthus sonchifolious H.Robinson), and wild relatives date: 2017-12-29 words: 7827 flesch: 56 summary: Conservación y uso de la biodiversidad de raíces y tubérculos andinos. Conservación y uso de la biodiversidad de raíces y tubérculos andinos: una década de investigación para el desarrollo (1993-2003). keywords: arracacha; color; communities; conservation; district; ecotypes; farmers; figure; huacrachuco; morphotypes; pag; pedro; reserve; roots; san; situ; xanthorrhiza; yacon cache: jpagronomy-1064.pdf plain text: jpagronomy-1064.txt item: #5 of 77 id: jpagronomy-1065 author: Lozano, F.; Miranda, P.; Pompelli, M. title: Germination behavior of Jatropha curcas L. after different imbibition times date: 2017-12-29 words: 5073 flesch: 53 summary: The speed and uniformity of seed germination are prominent parameters especially for field crop seeds to compete with weed seeds (Ruttanaruangboworn et al., 2017). Water uptake is the fundamental requirement for the initiation and completion of seed germination (Koornneef et al., 2002). keywords: analysis; content; curcas; et al; germination; imbibition; jatropha; seed; time; water cache: jpagronomy-1065.pdf plain text: jpagronomy-1065.txt item: #6 of 77 id: jpagronomy-1126 author: Llanos, A.; Apaza, W title: Antifungal activity of five chemical and two biological fungicides for the management of Botrytis cinerea, causal agent of Gray Mold in Strawberry date: 2018-04-30 words: 5213 flesch: 59 summary: Biocontrol de Botrytis cinerea a partir de extractos fenólicos de Fresa. Published by Universidad Nacional Agraria La Molina Received for publication: 30 January 2018 Accepted for publication: 30 March 2018 Antifungal activity of five chemical and two biological fungicides for the management of Botrytis cinerea, causal agent of Gray Mold in Strawberry Actividad antifúngica de cinco fungicidas químicos y dos biológicos para el manejo de Botrytis cinerea agente causal del Moho Gris en Fresa Llanos, A.1*; Apaza, W.1 *Corresponding author: alejandro.llanosm@hotmail.com Abstract Gray mold, caused by Botrytis cinerea, is one of the most important plant diseases in Strawberry in Peru. keywords: bacillus; botrytis; chemical; cinerea; control; differences; effect; field; fluopyram; fruits; fungicides; pyrimethanil; strawberry cache: jpagronomy-1126.pdf plain text: jpagronomy-1126.txt item: #7 of 77 id: jpagronomy-1127 author: Tapia, M.de L.; Arbizu, C.; Beraún, F.; J., Lorenzo; Escalona, M. title: Pre-basic seed potato (Solanum tuberosum L.) production using temporary immersion bioreactors date: 2018-04-30 words: 3178 flesch: 53 summary: The production of potato microtubers represents a potentially novel method for seed production compared to some limitations present with the use of minitubers, which are difficult to store, delicate, difficult to handle and require an additional acclimatization process (Coleman et al. 2001). Protocol for the production of potato microtubers using temporary immersion bioreactors (TIB) a total of 250 and 270 microtubers, respectively. keywords: immersion; medium; microtubers; number; papa; potato; production; seed; varieties cache: jpagronomy-1127.pdf plain text: jpagronomy-1127.txt item: #8 of 77 id: jpagronomy-1129 author: Rojas, J.; Soplín, H.; Bojórquez, C.; Ordoñez, H. title: Garden Pea used as a temporary crop to establish grass and legumes pastures: Effect on weed botanical composition date: 2018-04-30 words: 3356 flesch: 61 summary: 1Universidad Nacional Mayor de San Marcos, Facultad de Medicina Veterinaria, IVITA Mantaro, Unidad de Investigación de Pastos y Forrajes. It is hypotesized that Brassica rapa could act as a weed control agent during mixed pasture establishment. keywords: bojórquez; del; establishment; garden; mantaro; pasture; pea; species cache: jpagronomy-1129.pdf plain text: jpagronomy-1129.txt item: #9 of 77 id: jpagronomy-1130 author: Maraví, J.; Buendía, O.; Alvarado, A.; Borjas, R.; Castro, V.; Julca, A. title: Characterization of pineapple farms (Ananas comosus var. comosus) in Cuyani Microbasin, Pichanaki District, Chanchamayo Province (Junín, Perú) date: 2018-04-30 words: 4143 flesch: 57 summary: Producción de piña de enero a junio de este año alcanzó las 240,221 tn. Resumen El estudio se realizó en la Microcuenca Cuyani en el distrito de Pichanaki (Perú), con el objetivo de caracterizar fincas productoras de piña. keywords: chanchamayo; comosus; cuyani; district; farmers; farms; perú; pichanaki; pineapple; producers; production cache: jpagronomy-1130.pdf plain text: jpagronomy-1130.txt item: #10 of 77 id: jpagronomy-1132 author: Huaripata, C.; Sánchez, G. title: Life Cycle of the Diamondback Moth Plutella xylostella L. (Lepidoptera: Plutellidae), in Broccoli and Cauliflower under Laboratory Conditions date: 2019-03-01 words: 2824 flesch: 54 summary: Due to the importance of this pest, the objective was to determine the biological cycle of Plutella xylostella L., in broccoli (Brassica oleraceae var. Average of biological parameters of Plutella xylostella L., during three successive generations (G) in cau- liflower, under laboratory conditions. keywords: broccoli; cauliflower; days; period; plutella; xylostella cache: jpagronomy-1132.pdf plain text: jpagronomy-1132.txt item: #11 of 77 id: jpagronomy-1133 author: Pommpelli, M. F.; Figueirôa, J. M.; Lozano-Isla, F. title: Allometric models for non-destructive leaf area estimation in Eugenia uniflora (L.) date: 2018-06-14 words: 3399 flesch: 57 summary: Leaf area is traditionally quantified by direct methods, which are destructively or obtained through high-cost equipment, such as AM350 portable leaf area meter (ADC BioScientific Ltd., Hoddesdon, UK). marcelo.pompelli@ufpe.br Abstract We aimed to propose a reliable and accurate model using non-destructive measurements of leaf length (L) and/or width (W) for estimating leaf area (LA) of Surinam cherry (Eugenia uniflora L.). keywords: area; equations; leaf; leaf area; leaves; linear; model cache: jpagronomy-1133.pdf plain text: jpagronomy-1133.txt item: #12 of 77 id: jpagronomy-1198 author: Prado, S.; Castillo, J.; Rodriguez, S. title: Falling of asparagus flowers (Asparagus officinalis Linneo.) for the handling of Prodiplosis longifila Gagné in the irrigation of the Chavimochic project date: 2018-12-29 words: 3576 flesch: 58 summary: y en el (ii) fundo Sociedad Agrícola Virú (SAVSA) para determinar niveles y momentos de aplicación de diversos fertilizantes foliares para generar el mayor porcentaje de caída de flores para el manejo de poblaciones de P. longifila; se determinó el promedio de larvas por cada flor. Se concluye que la aplicación de fertilizantes foliares promueve la caída de flores del espárrago y con ello una significativa reducción de las poblaciones de P. longifila, debido a que las larvas quedan expuestas a la desecación o al sol y rápidamente muere. keywords: asparagus; falling; flowers; foliar; longifila; percentage; treatments cache: jpagronomy-1198.pdf plain text: jpagronomy-1198.txt item: #13 of 77 id: jpagronomy-1199 author: Callohuari, Y.; Vergara, C.; Jiménez, J. title: Insect pests associated with Andean lupin (Lupinus mutabilis Sweet) and their parasitoids in Peruvian central coast – (Lima, La Molina) date: 2018-09-10 words: 4928 flesch: 51 summary: Mecanismo de Invasión de Liriomyza huidobrensis (Blanchard) (Diptera: Agromyzidae) a un Cultivo de Vicia faba. Revista Peruana de Entomología, 31, 94–101. http://sisbib.unmsm.edu. keywords: agromyzidae; andean; aporema; diptera; entomología; huidobrensis; liriomyza; lupin; lupinus; molina; mutabilis; revista; species cache: jpagronomy-1199.pdf plain text: jpagronomy-1199.txt item: #14 of 77 id: jpagronomy-1200 author: Maraví, J.; Buendía, O.; Alvarado, L.; Borjas, R.; Castro, V.; Julca, A. title: Characterization of banana farms (Musa spp.) in Cuyani Microbasin, Pichanaki District, Chanchamayo Province (Junín, Perú) date: 2018-09-17 words: 5029 flesch: 58 summary: En la microcuenca de Cuyani, distrito de Pichanaki, provincia de Chanchamayo (Junín, Perú) Introduction Banana (Musa spp.) is native to Southeast Asia, from where it passed to India and Africa. Resumen Este estudio se realizó con el objetivo de caracterizar fincas productoras de plátano en la Microcuenca Cuyani en el distrito de Pichanaki, provincia de Chanchamayo (Junín, Perú). keywords: banana; chanchamayo; cuyani; district; farms; figure; group; microbasin; perú; pichanaki; producers; production; soles cache: jpagronomy-1200.pdf plain text: jpagronomy-1200.txt item: #15 of 77 id: jpagronomy-1201 author: Shrestha, J.; Chaudhary, A.; Pokhrel, D. title: Application of nitrogen fertilizer in maize in Southern Asia: a review date: 2018-09-10 words: 4241 flesch: 60 summary: Shrestha (2015) found early tasseling and silking stages in maize occurred as result of higher nitrogen application at 200kg N/ha. Also, Nitrogen used up to 160 kg/ha was useful for the nitrogen concentration in the grain, higher nitrogen levels increased both nitrogen absorption and nitrogen content in maize (Ahlawat et al., 1981). keywords: agronomy; application; grain; growth; journal; maize; nitrogen; plant; stages; yield cache: jpagronomy-1201.pdf plain text: jpagronomy-1201.txt item: #16 of 77 id: jpagronomy-1202 author: Huarhua, M.; Flores, J.; Acuña, R.; Apaza, W. title: Morphological and molecular identification of Phytophthora cinnamomi Rands as causal agent of Crown and root rot in Blueberry (Vaccinium corymbosum) in Peru date: 2018-09-17 words: 4553 flesch: 57 summary: Diversidad genética de Phytophthora cinnamomi Rands de aguacate de Michoacán, México, por medio de RAPD. Keywords: Phytophthora cinnamomi, Blueberries, root rot, Crown rot, Molecular identification. keywords: blueberry; cinnamomi; crown; genbank; isolates; molecular; peru; phytophthora; phytophthora cinnamomi; root; rot; sequences cache: jpagronomy-1202.pdf plain text: jpagronomy-1202.txt item: #17 of 77 id: jpagronomy-1206 author: Bracho-Pérez, J.; Tacza-Valverde, I.; Vásquez-Castro, J. title: Peruvian Botanical Biopesticides for Sustainable Development and Protection of the Environment date: 2019-12-30 words: 5055 flesch: 51 summary: Insecticidal effect of plant extracts on immature whitefly Bemisia tabaci Genn. Plant extracts, isolated phytochemicals, and plant-derived agents, which are lethal to arthropod vectors of Human tropical diseases: a review. keywords: alliacea; domestica; extracts; journal; magna; musca; peruvianum; toxicity cache: jpagronomy-1206.pdf plain text: jpagronomy-1206.txt item: #18 of 77 id: jpagronomy-1207 author: Castro-Cepero, V. title: Floristic Composition and Diversity in Plots of Early Post-Agricultural Succession in Four Agroecosystems in the District of Cajatambo, Lima date: 2019-12-30 words: 5839 flesch: 55 summary: Asteraceae Herbaceous broadleaf 0 Asteraceae Herbaceous broadleaf 0 0 1 1 40 Lachemilla pinnata (Ruiz & Pav.) keywords: 2015; agroecosystems; asteraceae; broadleaf; cajatambo; composition; diversity; fabaceae; families; herbaceous; lima; masl; plots; post; richness; species; succession cache: jpagronomy-1207.pdf plain text: jpagronomy-1207.txt item: #19 of 77 id: jpagronomy-1209 author: Eguiluz, A.; Pinedo, R.; Figueroa, C. title: Physiological and Agronomic Characterisation of Six Cassava Clones (Manihot esculenta Crantz) date: 2019-12-30 words: 4031 flesch: 55 summary: Keywords: characterisation, yield, seedling, productive potential Resumen Con la finalidad de evaluar el comportamiento seis clones de yuca (Manihot esculenta Crantz), se realizaron evaluaciones relacionadas a la calidad fisiológica del material de propagación y caracterización agronómica, requerida para generar información sobre la potencialidad de los clones. El ensayo se llevó a cabo en el campo experimental de Programa de Raíces y Tuberosas de la UNALM (PIPS–RT), bajo un diseño de bloques completamente al azar con cuatro repeticiones, se evaluaron clones provenientes de una colecta del PIPS-RT. keywords: cassava; clones; crantz; esculenta; height; manihot; morocha; plant; stakes; yield; yuca cache: jpagronomy-1209.pdf plain text: jpagronomy-1209.txt item: #20 of 77 id: jpagronomy-1210 author: Santistevan, M.; Borjas, R.; Alvarado, L.; Anzules, V.; Castro, V.; Julca, A. title: Sustainability of lemon (Citrus aurantifolia Swingle) farms in the province of Santa Elena, Ecuador date: 2018-12-29 words: 5184 flesch: 52 summary: Resumen El objetivo fue evaluar la sustentabilidad de fincas productoras de limón (Citrus aurantifolia Swingle) en Santa Elena, Ecuador. Published by Universidad Nacional Agraria La Molina Received for publication: 15 November 2018 Accepted for publication: 30 December 2018 Sustainability of lemon (Citrus aurantifolia Swingle) farms in the province of Santa Elena, Ecuador Sustentabilidad de fincas productoras de limon (Citrus aurantifolia Swingle) en la provincia de Santa Elena, Ecuador Santistevan-Mendez, M.1, Borjas-Ventura, R. 1, Alvarado-Huaman, L. 1, Anzules-Toala, V. 1, Castro-Cepero, V. 1, Julca- Otiniano, A. 1* *Corresponding author: ajo@lamolina.edu.pe Abstract The objective was to evaluate the sustainability of lemon farms (Citrus aurantifolia Swingle) in Santa Elena, Ecuador. keywords: citrus; ecuador; elena; farms; lemon; santa; sustainability cache: jpagronomy-1210.pdf plain text: jpagronomy-1210.txt item: #21 of 77 id: jpagronomy-1228 author: Caballero, M.; Caballero, H.; Cobeña, G.; Solórzano, C. title: Reproductive development of lemon (Citrus aurantifolia Swingle) under different soil moisture levels date: 2019-03-13 words: 5621 flesch: 58 summary: The analysed variables were as follows: primordium growth, fruit growth, days to flower opening and fruit quality. The trees were evaluated every 3 day from initial primordium until flower development, and every 8 d when the fruit was tied, depending on fruit growth. keywords: aurantifolia; citrus; conditions; del; development; ecuador; figure; fruit; growth; lemon; moisture; quality; soil; study; temperature; water cache: jpagronomy-1228.pdf plain text: jpagronomy-1228.txt item: #22 of 77 id: jpagronomy-1229 author: Condor, J.; Olivera, J.; Pinedo, R. title: Fertilisation Methods for Commercial Yield in Three Garlic Cultivars (Allium sativum L.) date: 2019-12-30 words: 5614 flesch: 60 summary: 4.67 5.00 5.33 4.83 5.17 4.83 3.92 4.00 3.58 5.17 5.17 5.08 4.58 5.00 4.58 4.67 4.67 4.02 2.42 2.17 2.67 2.75 2.83 2.17 2.33 2.21 3.38 0% 20% 40% 60% 80% 100% M1 M2 M3 M1 M2 M3 M1 M2 M3 'Cincomesino' 'Arequipeño 14' 'Margosino' P e r c e n ta g e w e ig h t (% ) En relación con el rendimiento total, para el cultivar ‘Cincomesino’ con el método M3 alcanzó el mejor rendimiento de 13.08 t/ha, seguido del cultivar ‘Arequipeño 14’, que alcanzó el mayor rendimiento de 12.25 t/ha con M2 y el cultivar ‘Margosino’ el mayor rendimiento resultó 10.95 t/ha con el tratamiento M3. keywords: cultivars; fertilisation; garlic; plant; treatments; yield cache: jpagronomy-1229.pdf plain text: jpagronomy-1229.txt item: #23 of 77 id: jpagronomy-1230 author: Gonzales, M.; Mattos, L. title: Cultural, biological and chemical control of the white rot fungus (Sclerotium cepivorum, Berk) in onions (Allium cepa) in Arequipa´s countryside date: 2018-12-31 words: 11549 flesch: 55 summary: In this study, it was observed that although the application of Pseudomonas controls P. cinnamomi, it also induces the root and apical growth of avocado. En este estudio se observó que si bien la aplicación de Pseudomonas ejerce un control sobre P. cinnamomi también induce el crecimiento radicular y apical de la planta. keywords: avocado; biocontrol; boscalid; broccoli; cepivorum; cinnamomi; control; differences; growth; incidence; pathogen; percentage; pseudomonas; root; sclerotium; severity; soil; spp; strains; table; test; treatments; yield cache: jpagronomy-1230.pdf plain text: jpagronomy-1230.txt item: #24 of 77 id: jpagronomy-1231 author: Mamani, J.; Aragón, L. title: Pseudomonas of the rhizosphere of avocado (Persea americana Mill.) with biocontrol activity of Phytophthora cinnamomi Rands isolated in the central coast of Peru date: 2018-12-31 words: 5466 flesch: 61 summary: In this study, it was observed that although the application of Pseudomonas controls P. cinnamomi, it also induces the root and apical growth of avocado. Under greenhouse conditions, Pseudomonas strains were inoculated on 4-month-old avocado cv. keywords: avocado; cinnamomi; control; inoculated; phytophthora; plant; pseudomonas; pseudomonas spp; root; soil; spp; strains; treatment cache: jpagronomy-1231.pdf plain text: jpagronomy-1231.txt item: #25 of 77 id: jpagronomy-1251 author: Castro, M.; Nishikawa, T. title: Genetic variation of maiden lily (Lilium rubellum Baker) within and among three natural populations in Fukushima Prefecture in Japan date: 2019-12-30 words: 4642 flesch: 54 summary: Population genetic software for teaching and research- an update. In this study, RAPD markers were used (i) to assess the genetic differentiation among populations of L. rubellum in the prefecture of Fukushima, Japan, and (ii) to estimate the levels of genetic diversity within L. rubellum populations. keywords: analysis; atsushio; azuma; diversity; fukushima; japan; kano; lilium; nango; populations; rapd; rubellum; species cache: jpagronomy-1251.pdf plain text: jpagronomy-1251.txt item: #26 of 77 id: jpagronomy-1279 author: Livia, C.; Sánchez, G. title: Soil insects associated with lucumo (Pouteria lucuma L.) trees in La Molina, Lima, Peru date: 2019-04-30 words: 4863 flesch: 51 summary: in Hymenoptera. Keywords: Insect, Soil, Lucumo, Peru Resumen Con la finalidad de determinar la composición y abundancia relativa de los insectos de suelo en el cultivo de lúcumo en el área agrícola de la Universidad Nacional Agraria La Molina, se instalaron 12 trampas de caída en un campo de lúcumo (Banco de Germoplasma de Lúcumo del Programa de Investigación en Árboles Frutales), de 5 Has. Revista Peruana de Entomología, 36, 23–24. keywords: family; individuals; insects; lima; lucumo; march; molina; pitfall; soil; traps cache: jpagronomy-1279.pdf plain text: jpagronomy-1279.txt item: #27 of 77 id: jpagronomy-1281 author: Carrión, A.; Tapia, M. de L. title: Yield of five potato varieties in Temporary Immersion Bioreactors (TIB) date: 2019-04-30 words: 3020 flesch: 51 summary: Our intent is to evaluate the production of Peruvian potato variety microtubers using temporary immersion bioreactors. Materials and Methods Experimental place Our experimental work was carried out in the Institute of Biotechnology (IBT) facilities, area Cultivation of Fabrics of the National Agrarian University La Molina (238 masl). The process of producing potato microtubers using BIT consists of two phases: proliferation and microtuberization. keywords: medium; microtubers; potato; production; seed; varieties; variety cache: jpagronomy-1281.pdf plain text: jpagronomy-1281.txt item: #28 of 77 id: jpagronomy-1313 author: Vicente, E.; Tello, L. title: Can Salvia splendens ‘Red Vista’ be used in association with the mycorrhizal fungus Glomus intraradices for the assisted phytoextraction of lead from the soil in Lima, Peru? date: 2019-08-19 words: 5274 flesch: 53 summary: Samples from high-concentration sites at Campo de Marte were used to represent urban soils with high lead concentrations, whereas samples from Kennedy Park were used to represent urban soils with low lead concentrations. Realizamos este bioensayo para determinar la capacidad de fitoextracción de plomo del suelo de Salvia splendens Var. keywords: campo; concentration; lead; marte; mycorrhizae; plants; ppm; soil; value; variable; water cache: jpagronomy-1313.pdf plain text: jpagronomy-1313.txt item: #29 of 77 id: jpagronomy-1314 author: Martinez-Martinez, C.; Somoza-Vargas, C. title: A Simple and Rapid Algorithm for Predicting Froghopper (Aeneolamia spp.) Population Increase in Sugarcane Fields based on Temperature and Relative Humidity date: 2019-08-19 words: 6687 flesch: 47 summary: In Memorias Tecnicaña–VIII Congreso de la Asociación Colombiana de Técnicos de la Caña de Azúcar, (pp. 160-167). Population Increase in Sugarcane Fields based on Temperature and Relative Humidity Un algoritmo simple y rápido para predecir el aumento de la población de mosca pinta en los campos de caña de azúcar, en términos de temperatura y humedad relativa.condiciones de Laboratorio Martinez-Martinez, C.1, Somoza-Vargas, C.1* *Corresponding author: carlos.somoza1@catolica.edu.sv Abstract In Integrated Pest Management practices, knowledge from multiple disciplines is incorporated to facilitate the understanding of a problem and the development a practical, feasible, and ecologically sustainable solution. keywords: aeneolamia; conditions; control; diapause; eggs; froghopper; gdd; humidity; months; pest; population; spp; sugarcane; temperature cache: jpagronomy-1314.pdf plain text: jpagronomy-1314.txt item: #30 of 77 id: jpagronomy-1315 author: Orellana, C.; Mattos, L. title: Characterization and control of the causal agent of leaf spot in strawberry (Fragaria ananassa) under greenhouse conditions date: 2019-08-19 words: 5964 flesch: 50 summary: Healthy strawberry plants that had been inoculated with C. cassiicola in a greenhouse developed lesions after 3 days and exhibited symptoms consisting of dark brown spots that had light brown centers and were surrounded by yellow halos, which coalesced and subsequently caused necrosis of the whole leaf. In vitro tests demonstrated that the fungus Trichoderma harzianum strain T-22 showed antagonistic activity against C. cassiicola, causing 41.8% mycelial growth inhibition, and the fungicides fosetyl-aluminum (Aliette®) and thiabendazole (Mertect®a) inhibited mycelial growth by 100.00% and 96.32%, respectively. keywords: ananassa; cassiicola; conditions; control; corynespora; fragaria; greenhouse; leaf; plants; spot; strawberry; symptoms; table; test cache: jpagronomy-1315.pdf plain text: jpagronomy-1315.txt item: #31 of 77 id: jpagronomy-1316 author: Ojeda, W.; Borjas, R.; Alvarado, L.; Castro-Cepero, V.; Julca-Otiniano, A. title: Effects of foliar extracts of guaba (Inga edulis) and cadaghi (Corymbia torrelliana) on coffee (Coffea arabica ‘Caturra Roja’) under nursery conditions in Chanchamayo, Peru date: 2019-08-19 words: 3703 flesch: 58 summary: Different doses of fresh leaf extracts were applied to coffee plants using a completely randomized design, with four treatments for each forest species (T1 = 0‰, T2 = 10‰, T3 = 20‰, and T4 = 30‰) and 12 replicate plants per treatment. It was found that none of the foliar extracts had an allelopathic effect on coffee plants in terms of height, stem diameter, number of leaves and dry weight; however fresh weight was significantly altered following “cadaghi” treatment. keywords: cadaghi; caturra; chanchamayo; coffee; conditions; effects; extracts; forest; guaba; inga; plants; roja; species cache: jpagronomy-1316.pdf plain text: jpagronomy-1316.txt item: #32 of 77 id: jpagronomy-1317 author: Quintana, V.; Alvarado, L.; Saravia, D.; Borjas, R.; Castro-Cepero, V.; Julca-Otiniano, A.; Gómez, L. title: Gamma radiosensitivity of coffee (Coffea arabica L. var. typica) date: 2019-08-19 words: 4003 flesch: 59 summary: , the germination stage sensu stricto begins approximately 7 days, after sowing in coffee plants and is completed when the radicle penetrates the outer layer of the endosperm. Quintana, V., Alvarado, L., Saravia, D., Borjas, R., Castro-Cepero, V., Julca-Otiniano, A., Gómez, L. Peruvian Journal of Agronomy 3(2): 74-80 (2019) 77 increased sodium azide dose increased the time to true leaf generation in coffee plants. keywords: arabica; coffee; figure; gamma; germination; leaf; plants; seeds; var cache: jpagronomy-1317.pdf plain text: jpagronomy-1317.txt item: #33 of 77 id: jpagronomy-1339 author: Mamani, E.; Acosta, M.; Gonzales, M. title: Effect of the applications of a biological formulation (Azotobacter salinestris, Bacillus amyloliquefaciens, Rhizophagus intraradices) on the yield of Allium cepa ‘Century’ date: 2019-12-19 words: 6409 flesch: 50 summary: The first application was statistically significant to the treatments with the highest number of applications, showing a greater exportable yield of 67.54 t ha−1. The best interactions between concentrations and applications were 6 kg ha−1 with 1 application, 4 kg ha−1 with 2 applications, and 4 kg ha−1 with 1 application, with exportable yields of 70.66, 69.61, and 69.11 t ha−1, respectively. keywords: applications; control; incidence; intraradices; kg ha−1; number; oxysporum; plant; t ha−1; table; treatments; yield cache: jpagronomy-1339.pdf plain text: jpagronomy-1339.txt item: #34 of 77 id: jpagronomy-1341 author: Nolasco-Chumpitaz, Juan; Ccoyllo-Llacsa, Paul; Koc-Sanchez, Gabriela; Medina-Morales, Percy title: Collection and morphological characterization of 149 accessions of achiote (Bixa orellana L.) from seven departments in Perú date: 2020-12-30 words: 6053 flesch: 56 summary: PCA output of the quantitative descriptors used to characterize achiote accessions. Analyzing achiote accessions using PCA and morphological descriptors such as those evaluated in the present study has been done previously (Mazzani et al., 2000). keywords: accessions; achiote; bixa; bixin; capsule; cluster; descriptors; length; orellana; perú; rla; seeds; values cache: jpagronomy-1341.pdf plain text: jpagronomy-1341.txt item: #35 of 77 id: jpagronomy-1342 author: Apaza, W.; Quiroz, P.; Julca-Otiniano, A. title: Characterisation of avocado and asparagus farms in the Chavimochic irrigation project in La Libertad, Peru date: 2019-12-26 words: 6504 flesch: 58 summary: Four groups of asparagus farms and three groups of avocado farms were identified based on principal component and cluster analyses. Additionally, 10 workers were randomly selected from each farm, totalling 170 surveys on avocado farms and 120 surveys on asparagus farms. keywords: analysis; area; asparagus; avocado; avocado farms; chavimochic; crop; farms; figure; irrigation; irrigation project; project; water cache: jpagronomy-1342.pdf plain text: jpagronomy-1342.txt item: #36 of 77 id: jpagronomy-1367 author: Soto, J.; Cadenas, C.; Mattos, L.; Trigoso, C. title: First report of Enterobacter cloacae as a causative agent of soft rot disease in dragon fruit (Hylocereus undatus) stems in Peru date: 2019-12-30 words: 5804 flesch: 52 summary: Given these results, it can be concluded that E. cloacae is a causative agent of soft rot disease of the stems of H. undatus in the districts of Independencia and Naranjos, and this is also the first report of this bacterium as a pathogen of pitahaya in Peru. The pathogenicity test, which was performed by reproducing the same symptoms observed in the fields that were sampled and fulfilling Koch’s postulates, revealed that E. cloacae is a causative agent of soft rot disease of pitahaya in the districts of Independencia, Pisco, and Soto, J.; Cadenas, C.; Mattos, L.; Trigoso, C. Peruvian Journal of Agronomy 3(3): 144–152 (2019) 151 Naranjos, Rioja. keywords: bacterial; cloacae; colonies; disease; dna; enterobacter; hylocereus; isolates; peru; pitahaya; rot; species; stems; undatus cache: jpagronomy-1367.pdf plain text: jpagronomy-1367.txt item: #37 of 77 id: jpagronomy-1438 author: Livia-Tacza, C.; Sánchez, G. title: Soil arthropods associated with sweetpotato crop (Ipomoea batata L.) in La Molina, Lima, Peru date: 2020-04-10 words: 5105 flesch: 50 summary: The highest number of recorded individuals occurred on May 12th (1,699) and June 23rd (1,702). Furthermore, adult individuals collected likely decreased close to harvest. keywords: arachnida; arthropods; class; evaluation; family; individuals; insecta; lima; molina; morphospecies; number; order; peru; soil; sweetpotato cache: jpagronomy-1438.pdf plain text: jpagronomy-1438.txt item: #38 of 77 id: jpagronomy-1451 author: Morales, B.; Bautista, J.; Vergara, C. title: Pollinating insects of cherimoya (Annona cherimola Miller) in La Molina, Lima, Peru date: 2020-04-10 words: 3786 flesch: 51 summary: This characteristic of cherimoya flowers makes cross- pollination necessary through the participation of natural pollinators (Ortiz-Sánchez & Cabello-García, 1991). Insects collected on cherimoya flowers There were 177 specimens in the female phase of the flowers and 196 in the male phase (Table 1), with no significant difference between the two phases, according to Tukey’s mean comparison test (α=0.05). keywords: annona; cherimoya; coleoptera; family; flowers; insects; molina; order; phase; species cache: jpagronomy-1451.pdf plain text: jpagronomy-1451.txt item: #39 of 77 id: jpagronomy-1462 author: Carrera, O.; Tello, L. title: Lead Phyto extraction in the Huachipa Zoological Park through the use of Tagetes erecta associated with a mycorrhiza and EDTA date: 2020-04-30 words: 4887 flesch: 60 summary: After harvesting, soil samples were collected from each treatment and then stored in labeled Ziploc bags. Soil and plant samples were sent to the Laboratorio de Suelos, Plantas, Agua y Fertilizantes, and to the Laboratorio de Fertilidad, respectively. keywords: concentrations; edta; g e; lead; plants; ppm; soil; treatments cache: jpagronomy-1462.pdf plain text: jpagronomy-1462.txt item: #40 of 77 id: jpagronomy-1464 author: Vásquez-Castro, J.; Ancco, A.; La Torre,, B. title: Spray penetration into asparagus (Asparagus officinalis L.) canopy using different nozzle inclinations and application rates date: 2020-04-30 words: 3277 flesch: 58 summary: Trampas de luz con panel pegante para la captura de adultos de Prodiplosis longifila Gagné (Diptera: Cecidomyiidae) en el cultivo de espárrago. Gagné en los cultivos de Asparagus officinalis L. por amplificación parcial del gen citocromo oxidasa I. Idesia, 32(4), 29–41. http://dx.doi.org/10.4067/ S0718-34292014000400005 Sánchez-Hermosilla, J., Páez, F., Rincón, V. J., & Pérez- Alonso, J. (2013). keywords: application; asparagus; canopy; del; ha−1; nozzle; rates; spray cache: jpagronomy-1464.pdf plain text: jpagronomy-1464.txt item: #41 of 77 id: jpagronomy-1490 author: Shrestha, Shruti; Subedi, Sudeep; Shrestha, Jiban title: Marker-assisted selection:A smart biotechnological strategy for modern plant breeding date: 2020-12-30 words: 10412 flesch: 55 summary: Cultivar with durable and broad spectrum resistance is desired and can be achieved by combing different resistance genes through marker assisted gene pyramiding (Liu et al., 2000). The DNA markers have been used effectively to identify resistance genes, and MAS has been applied for integrating different resistance genes into rice cultivars lacking the desired traits. keywords: blast; blight; breeding; dna; et al; gene; genetics; marker; mas; plant; pyramiding; resistance; resistance genes; rice; selection; ssr; wheat cache: jpagronomy-1490.pdf plain text: jpagronomy-1490.txt item: #42 of 77 id: jpagronomy-1495 author: Adhikari, Kripa; Bhandari, Sudip; Dhakal, Laxmi; Shrestha, Jiban title: Fall armyworm (Spodoptera frugiperda): A threat in crop production in Africa and Asia date: 2020-12-30 words: 8357 flesch: 56 summary: (1983) Millet Pennisatum americanum L. Poaceae Ríos-Díez and Saldamando-Benjumea (2011), FAO (2017) Oat Avena sativa L. Poaceae Silva et al. (2017) Barley Hordeum vulgare L. Poaceae Alfonso et al. The first record of fall armyworm Spodoptera frugiperda in Nepal. keywords: africa; armyworm; control; crop; entomology; et al; fall; fall armyworm; faw; frugiperda; journal; larvae; lepidoptera; maize; management; noctuidae; pest; spodoptera; spodoptera frugiperda cache: jpagronomy-1495.pdf plain text: jpagronomy-1495.txt item: #43 of 77 id: jpagronomy-1510 author: Vásquez-Castro, J.; De Baptista, G.; Gadanha-Junior, C.; Bracho-Pérez, J. title: Dissipation of fenitrothion and esfenvalerate in wheat grains, bran and flour date: 2020-08-30 words: 5263 flesch: 56 summary: In this resolution, the MRL and preharvest interval values for fenitrothion on stored wheat grain were modified from 10 mg kg−1 and 14 days, respectively, to 1 mg kg−1 and 120 days, respectively. Published by Universidad Nacional Agraria La Molina Received for publication: 24 March 2020 Accepted for publication: 21 May 2020 Dissipation of fenitrothion and esfenvalerate in wheat grains, bran and flour Disipación de fenitrotion y esfenvalerato en granos de trigo, salvado y harina Vásquez-Castro, J.(1)*; De Baptista, G.(2); Gadanha-Junior, C.(3); Bracho-Pérez, J.(4) *Corresponding author: jaque@lamolina.edu.pe https://orcid.org/0000-0003-3407-6938 Abstract Chemical insecticides are commonly used to control insect pests in stored wheat. keywords: bran; days; degradation; esfenvalerate; fenitrothion; flour; grains; insecticides; journal; kg−1; residues; values; wheat cache: jpagronomy-1510.pdf plain text: jpagronomy-1510.txt item: #44 of 77 id: jpagronomy-1533 author: Contreras-Liza, Sergio Eduardo; Mendoza-Nieto, Eroncio; Quiliche Durán, Jean Pierre; Mejía-Domínguez, Cecilia Maura; Palacios-Rodriguez, Betty Martha; Velasquez Gamarra, Julia Delia title: Inoculation effect of Azospirillum sp. and two levels of nitrogen on the performance of the hybrid corn ‘Insignia 800' date: 2020-08-30 words: 4780 flesch: 51 summary: Eficiência da aplicação de Azospirillum brasilense associado ao nitrogênio na cultura do milho. Respuesta biológica de aislados de Azospirillum spp. keywords: azospirillum; brasilense; corn; ear; effect; grain; inoculation; insignia; nitrogen; plant; yield cache: jpagronomy-1533.pdf plain text: jpagronomy-1533.txt item: #45 of 77 id: jpagronomy-1541 author: Marconi, Marilena; Ormeño Luna, Javier; Vecco Giove, Carlos Daniel title: Physicochemical and microbiological quality of honeys produced by stingless bees Scaptotrigona polysticta, Melipona illota and Tetragonisca angustula (Apidae: Meliponini) in San Martín, Peru date: 2020-08-30 words: 3934 flesch: 53 summary: Control de calidad de la miel de abeja producida como propuesta para un proyecto de servicio comunitario obligatorio. The color of S. polysticta honey was variable, from light amber to dark yellow (115 ± 23 mm Pfund), while T. angustula honey was darker yellow (178 ± 33 mm Pfund). keywords: angustula; bees; honey; illota; polysticta; quality; samples; stingless; tetragonisca; total cache: jpagronomy-1541.pdf plain text: jpagronomy-1541.txt item: #46 of 77 id: jpagronomy-1546 author: Flores-Bernedo, Juan; Vásquez-Castro, Javier title: Susceptibility to Spirodiclofen in field populations of Tetranychus urticae (Acari: Tetranychidae) from strawberry plantations in Lima region, Peru date: 2020-08-30 words: 4331 flesch: 51 summary: Se colectaron individuos adultos de T. urticae en campos de fresa de los distritos de Aucallama, Chancay, Huaral y Santa Rosa de Quives en la región Lima. Así, el Spirodiclofen es una herramienta valiosa para el control de T. urticae en el cultivo de fresa en las localidades estudiadas. keywords: mortality; populations; resistance; spirodiclofen; strawberry; susceptibility; susceptible; t. urticae; tetranychus; urticae cache: jpagronomy-1546.pdf plain text: jpagronomy-1546.txt item: #47 of 77 id: jpagronomy-1571 author: Salas-Rosales, José E.; Manuel Villa, Pedro; Rodrigues, Alice C.; Rada, Fermín title: Effects of nitrogen fertilization on the photosynthesis and biomass distribution in a potato crop date: 2020-08-30 words: 4482 flesch: 51 summary: Plots of 40 m2 (2,625 plants m-2) were established under a random block design with three replications by nitrogen fertilization treatment: 0, 100, 200, and 300 kg. The objective of this study was to assess the differences of the photosynthetic response and biomass partitioning patterns during the main phenophases of the potato cultivar Capiro under different nitrogen nutrition fertilization treatments in the tropical Andes of Mérida, Venezuela. keywords: biomass; crop; dap; fertilization; ha-1; nitrogen; photosynthesis; plant; potato cache: jpagronomy-1571.pdf plain text: jpagronomy-1571.txt item: #48 of 77 id: jpagronomy-1645 author: Castillo Valiente, Jorge Ramón; Rodríguez Quispe, Susana Patricia; Apaza Tapia, Walter Eduardo; Julca-Otiniano, Alberto Marcial; Canto Saenz, Manuel Antonio; Rosales Sanchez, Teresa title: Prodiplosis longifila Gagné (Diptera: Cecidomyiidae) in asparagus (Asparagus officinalis) crop in Chavimochic Irrigation Project date: 2020-12-30 words: 4062 flesch: 55 summary: Key words: Prodiplosis, Asparagus, Chavimochic Resumen El presente trabajo se desarrolló en los campos de la irrigación de Chavimochic, ubicada en la Región La libertad- Perú. Gagné (Diptera: Cecidomyiidae) en el cultivo de espárrago (Asparagus officinalis) en el Proyecto de irrigación de Chavimochic Jorge Ramón Castillo Valiente1*; Susana Patricia Rodríguez Quispe2; Walter Eduardo Apaza Tapia3; Alberto Marcial Julca-Otiniano4; Manuel Antonio Canto Saenz5; Teresa Rosales Sanchez6 *Corresponding author: joracava@lamolina.edu.pe https://orcid.org/0000-0003-3561-2253 Abstract The present study was conducted in the fields of the Chavimochic irrigation, located in La Libertad Region-Peru. keywords: asparagus; chavimochic; crop; del; figure; gagné; insect; irrigation; longifila; number; prodiplosis cache: jpagronomy-1645.pdf plain text: jpagronomy-1645.txt item: #49 of 77 id: jpagronomy-1649 author: Egúsquiza Bayona, Rolando; Salinas F., Jesús; Vidal F., Mario title: Reaction to drought: A case study of native potatoes (Solanum spp.) cultivated in Huánuco, Perú date: 2020-12-30 words: 3649 flesch: 53 summary: Averages and statistical significance of the differences in characteristics of native potato plants grown in continuous irrigation (CI) and restricted irrigation (RI) conditions Characteristics Morphotypes n Averages Significance CI1 RI2 Plants height (cm) All 44 55.06 54.24 ns Susceptibles 16 61.59 55.15 ** Tolerants 20 51.08 54.43 ** Stem thickness (cm) All 27 0.74 0.69 ** Susceptibles 21 0.75 0.67 Mamani (1993) reported that the emergence and onset of stolonization of potato plants were the growth period most susceptible to drought. keywords: characteristics; drought; index; irrigation; morphotypes; plants; tubers; weight cache: jpagronomy-1649.pdf plain text: jpagronomy-1649.txt item: #50 of 77 id: jpagronomy-1650 author: Díaz-López, Ernesto title: Response of five eco-physiological parameters, to the application of potassium in sunflower (Asteraceae), under semi-arid climate date: 2020-12-30 words: 3637 flesch: 56 summary: Las características a evaluar: fueron rendimiento agronómico, índice de área foliar, coeficiente de atenuación de luz y radiación interceptada. The hypothesis was: the application of high potassium levels will increase the leaf area index, intercepted radiation, as well as the sunflower’s agronomic yield, when it is sown under arid weather conditions. keywords: ha-1; potassium; radiation; sunflower cache: jpagronomy-1650.pdf plain text: jpagronomy-1650.txt item: #51 of 77 id: jpagronomy-1656 author: El- Latif Kamel Ibrahim, Suzan Abd; Ali Abdelsatar, Mohamed; El-Raheem Ahmed, Mohamed Abd; Niazy, Magdy M. title: Genetic behavior for seed yield and yield components in sesame (Sesamum indicum L.) under normal irrigation and water stress conditions date: 2021-04-14 words: 11164 flesch: 67 summary: This could be attributed to water stress Source of variance df Days to 50%flowering Plant height Fruiting zone length Capsules length N S N S N S N S Replications 2 0.33 0.11 9.35 13.29 1.53 1.33 0.00 0.02 Genotypes 20 65.71** 42.31** 677.52** 420.75** 525.35** 227.34** 0.56** 0.28** Parents (P) 5 25.43** 22.09** 832.67** 483.39** 267.44** 64.43** 0.30** 0.15** Crosses (C) 14 70.82** 45.36** 545.02** 350.52** 353.38** 186.05** 0.47** 0.21** P V C 1 195.56** 100.80** 1756.67** 1090.86** 4222.48** 1620.01** 3.23** 1.94** Error 40 0.50 0.76 5.13 4.45 2.72 3.85 0.02 0.01 Source of variance df Number of branches per plant 1000-seed weight Seed weight per plant Seed oil content N S N S N S N S Replications 2 0.30 0.05 0.07 0.01 4.025 13.765 1.11 0.60 Genotypes 20 5.58** 3.04** 1.28** 0.63** 82.764** 87.773** 9.24** 15.83** Parents (P) 5 3.39** 1.56** 0.39** 0.17** 70.809** 58.285** 6.72** 10.36** Crosses (C) 14 2.18** 1.31** 1.09** 0.47** 65.251** 61.070** 9.64** 13.60** P V C 1 64.13** 34.77** 8.37** 5.14** 387.720** 609.037** 16.26** 74.47** Error 40 0.33 0.30 0.02 0.02 7.904 10.738 0.96 1.01 Source of variance d.f Days to 50% flowering Plant height Fruiting zone length Capsules length Number of branches per plant 1000-seed weight Seed weight per plant Seed oil content Irrigation (I) 1 7344.79** 29962.29** 5034.01** 8.26** 49.53** 15.65** 2911.590** 697.90** Reps within I SOV df Days to 50%flowering Plant height Fruiting zone length Capsules length Griffing Jones N S N S N S N S GCA a 5 27.02** 15.74** 301.41** 195.81** 267.95** 107.65** 0.32** 0.10** b1 1 65.19** 33.60** 585.56** 363.62** 1407.49** 540.00** 1.08** 0.65** b2 5 19.82** 2.77** 296.50** 164.43** 63.32** 28.02** 0.05** 0.05** b3 9 15.41** 17.32** 104.63** 71.13** 48.72** 33.03** 0.09** 0.05** SCA b 15 20.20** 13.56** 200.65** 121.73** 144.17** 65.16** 0.14** 0.09** Total 20 21.90** 14.10** 225.84** 140.25** 175.12** 75.78** 0.19** 0.09** Error 40 0.17 0.25 1.71 1.48 0.91 1.28 0.01 0.004 keywords: irrigation; l110; l12; l28; l92; l93; l95 ×; parents; plant; regimes; seed; traits; weight; wsc cache: jpagronomy-1656.pdf plain text: jpagronomy-1656.txt item: #52 of 77 id: jpagronomy-1676 author: Sardón Nina, Sandro; Zapata Hernández, Raúl D.; Arias López, Luis A. title: Comparison of organic carbon from humic and fulvic acids and the degree of humification in five soil orders date: 2021-04-30 words: 5016 flesch: 62 summary: The sampling points were distributed in a random way supported by the previous results of soil organic matter and according to the area that corresponds to it. Soil organic matter: Its nature, its role in soil formation and in soil fertility, 2nd ed. keywords: acids; carbon; content; degree; entisol; histosol; humification; los; mollisol; order; soil; type cache: jpagronomy-1676.pdf plain text: jpagronomy-1676.txt item: #53 of 77 id: jpagronomy-1680 author: Sardón Nina, Sandro; Zapata Hernández, Raúl D.; Arias López, Luis A. title: Favorable morphoclimatic factors for the preservation of wetting organic carbon in mountain soils date: 2021-04-30 words: 4101 flesch: 57 summary: Published by Universidad Nacional Agraria La Molina DOI: http://dx.doi.org/10.21704/pja.v5i1.1680 Favorable morphoclimatic factors for the preservation of wetting organic carbon in mountain soils Factores morfoclimáticos favorables para la preservación del carbono orgánico humificado en suelos de montaña Sandro Sardón Nina1*; Raúl D. Zapata Hernández2; Luis A. Arias López2 *Corresponding author: ssardonnina@gmail.com *https://orcid.org/0000-0002-1999-1655 Abstract Humic substances (HS) are the main component of soil organic matter (SOM), a product of the pedogenetic process. Filter the extracts in an Erlenmeyer flask and dissolve the HA with 0.1N NaOH in another Erlenmeyer Residue Figure 2: Extraction and fractionation of soil organic matter (Kumada, 1987). keywords: acids; carbon; degree; factors; humification; organic; slope; soil; temperature; type cache: jpagronomy-1680.pdf plain text: jpagronomy-1680.txt item: #54 of 77 id: jpagronomy-1733 author: Aragón, L.; Huarhua, H.; Cerna, M.; Flores, J.; Dueñas, F.; Lao, C.P. ; Solis, R.; Alegre, j. title: Incidence of leaf diseases in the agroforestry systems at Yurimaguas, Peru date: 2022-04-30 words: 5589 flesch: 51 summary: Número 43 de Serie de libros y materiales educativos. Based on these behaviors in the different multifunctional systems, the following objectives were proposed in the present work; detect fungal microorganisms associated with leaf diseases such as leaf spots of plant species that are part of the agroforestry production systems of farmers from Yurimaguas (Loreto) who participated in the Sustainable Landscapes for the Amazon Project, and determine the level of incidence of leaf diseases in agroforestry production systems as a comparative parameter between the different multifunctional systems. keywords: agroforestry; cocoa; colletotrichum; diseases; implementation; incidence; leaf; palm; plant; production; species; spots; symptons; systems; yurimaguas cache: jpagronomy-1733.pdf plain text: jpagronomy-1733.txt item: #55 of 77 id: jpagronomy-1760 author: Cáceres Candia, Denis Paolo ; Risco Mendoza, Alejandro; Quiroz-Delgado, Patricia Elena; Apaza-Tapia, Walter Eduardo title: Control of Botrytis cinerea Pers. in ‘Okitsu’ Satsuma mandarin by biological and chemical fungicides in Huaura, Peru date: 2021-04-15 words: 4182 flesch: 57 summary: Detection of Botrytis cinerea field isolates with multiple fungicide resistance from table grape in Sicily. The results showed that, under laboratory conditions, Captan, Fludioxonil + Cyprodinil, and Iprodione exhibited high efficacy in the control of B. cinerea. keywords: botrytis; captan; cinerea; citrus; control; field; fungicides; iprodione; mandarin; satsuma; treatment cache: jpagronomy-1760.pdf plain text: jpagronomy-1760.txt item: #56 of 77 id: jpagronomy-1766 author: Pacheco-Jiménez, Jacquelyn ; Ortiz-Oblitas, Oscar title: Sustainability of agroecological farms in Toacaso, Cotopaxi-Ecuador date: 2022-04-30 words: 4694 flesch: 40 summary: The MESMIS methodology was applied in 7 stages: 1) Characterization of productive systems through surveys on farmers, 2) Identify critical points of production systems of the environmental, economic, social, and technical types that can affect the stability of the productive system, 3) Build indicators, 4) Measure each indicator, 5) Obtain the index of economic, social, environmental sustainability, 6) Analysis of results 7) Comparison of results of agroecological production system with conventional production systems. General sustainability of agroecological production systems by adoption stages (KI. keywords: environmental; general; index; indicators; production; scale; social; sustainability; sustainability index; systems; table; toacaso; value cache: jpagronomy-1766.pdf plain text: jpagronomy-1766.txt item: #57 of 77 id: jpagronomy-1767 author: Parajuli, Sovit ; Adhikari, Aavash ; Paudel, Sandip ; Oli, Dipesh ; Bhandari, Sagar ; Shrestha, Jiban title: Use of biorational insecticides for the management of storage insect pests: A review date: 2022-08-30 words: 7776 flesch: 51 summary: Pheromones, as biorational chemicals, can be an effective pest control tool for a variety of storage grain pests, Use of biorational insecticides for the management of storage insect pests: A review May - August 2022 140 particularly insects. Various types of microbials or microbial pesticides have been employed to reduce the impact of a variety of storage grain pests, especially insects. keywords: beetle; control; damage; entomology; grain; insect; journal; management; pests; products; research; storage; use; wheat cache: jpagronomy-1767.pdf plain text: jpagronomy-1767.txt item: #58 of 77 id: jpagronomy-1771 author: Llanos Melo, Alejandro Kepler; Apaza-Tapia, Walter Eduardo title: Distribution of stem-end rot on the canopy in ‘Hass’ avocado trees in two coastal areas in Peru date: 2021-08-30 words: 5734 flesch: 58 summary: L. theobromae has been identified as infecting over 500 host plants, including fruit trees, vegetables, and ornamental plants (Punithalingam, 1980). Avocado fruits were placed in a plastic container (40 cm x 30 cm x 40 cm) as a moist chamber with a humid paper towel at the bottom, and each fruit was placed above a Petri dish to avoid contact with the paper towel. keywords: avocado; canopy; disease; end; fruit; hass; lasiodiplodia; plant; rot; ser; stem; theobromae cache: jpagronomy-1771.pdf plain text: jpagronomy-1771.txt item: #59 of 77 id: jpagronomy-1845 author: Almeyda Carbajal, Diego; Casas Díaz, Andrés Virgilio ; Zuzunaga Bedón, Mirna title: Effects of seedling thickness on the production and quality of onion (Allium cepa L.) ‘Santa Rita’ in Arequipa, Peru date: 2021-12-30 words: 3694 flesch: 65 summary: Se evaluaron cuatro diferentes espesores de plántulas de cebolla roja (Allium cepa L.) entre febrero y junio de 2017 en Santa Rita de Siguas, Arequipa, Perú. This led to an adaptation of the late onion plantings in Santa Rita de Siguas to adverse weather conditions. keywords: dat; days; diameter; santa; standard; transplanting; treatment cache: jpagronomy-1845.pdf plain text: jpagronomy-1845.txt item: #60 of 77 id: jpagronomy-1846 author: Gastañadui, Paul; Moreno, Rocío; Quiroz-Delgado, Patricia Elena; Apaza-Tapia, Walter Eduardo title: Control of avocado root rot caused by Phytophthora cinnamomi with different Trichoderma strains at Chavimochic Irrigation Project date: 2021-12-30 words: 3845 flesch: 59 summary: Published by Universidad Nacional Agraria La Molina https://doi.org/ 10.21704/pja.v5i3.1846 Control of avocado root rot caused by Phytophthora cinnamomi with different Trichoderma strains at Chavimochic Irrigation Project Control de la pudrición de la raíz del palto causada por Phytophthora cinnamomi con diferentes cepas de Trichoderma en la Irrigación de Chavimochic Paul GASTAÑADUI1, Rocio MORENO2, Patricia QUIROZ-DELGADO1, Walter APAZA- The objective of this study was to evaluate the effect of different Trichoderma strains on the control of Phytophthora cinnamomi in Zutano rootstock under greenhouse conditions. keywords: avocado; chavimochic; cinnamomi; control; different; phytophthora; root; strains; trichoderma cache: jpagronomy-1846.pdf plain text: jpagronomy-1846.txt item: #61 of 77 id: jpagronomy-1863 author: Bello-Amez, Segundo ; Borjas-Ventura, Ricardo ; Alvarado-Huamán, Leonel ; Bello-Medina, Noel; Rebaza-Fernández, Diana ; Castro-Cepero, Castro-Cepero; Julca-Otiniano, Alberto title: Modification of the flowering dynamics of pineapple (Ananas comosus L.) cv. ‘MD2’ using Aviglycine in the central jungle of Perú date: 2022-04-30 words: 5666 flesch: 63 summary: Asimismo, FN presentó tres periodos con tasas relativa de aparición de inflorescencias (TRAI) diferentes, siendo la primera la que tuvo mayor TRAI y mayor duración (42 días). Finalmente, se concluye que la aplicación de AVG tuvo un efecto significativo en el retardo de la aparición de las inflorescencias, motivo por el cual se sugiere su aplicación en el cultivo de piña. keywords: ananas; applications; avg; bello; comosus; fit; flowering; md2; pineapple cache: jpagronomy-1863.pdf plain text: jpagronomy-1863.txt item: #62 of 77 id: jpagronomy-1864 author: Sharma, Barsha ; Yadav, Laxmeshwar ; Pandey, Meena ; Shrestha, Jiban title: Application of Biofertilizers in crop production: A review date: 2022-04-30 words: 9967 flesch: 45 summary: Types of biofertilizers Nitrogen Fixing Biofertilizers Nitrogen is the nutrient that limits plant growth (Gupta et al., 2012). Phosphate Solubilizing and Mobilizing Biofertilizers Phosphorus which accounts about 0.2 percent of the plant’s dry weight is an indispensable nutrient for plant growth and development. keywords: agriculture; bacteria; biofertilizers; crop; et al; growth; https://doi; journal; microorganisms; nitrogen; nutrient; phosphate; phosphorus; plant; plant growth; production; soil; solubilizing; yield; zinc cache: jpagronomy-1864.pdf plain text: jpagronomy-1864.txt item: #63 of 77 id: jpagronomy-1865 author: Chetelat, Roger; Quiros, Carlos F. ; Vallejos, C. Eduardo title: Miguel Holle (1937-2023) date: 2023-04-30 words: 702 flesch: 49 summary: *Corresponding author: cfquiros@ucdavis.edu Geneticist, plant explorer, germplasm conservationist and educator Miguel Holle passed away surrounded by his family in Lima Peru on April 11, 2023. Published by Universidad Nacional Agraria La Molina This is an open access article under the CC BY Miguel Holle (1937-2023) Roger Chetelat1, Carlos F. Quiros1, Eduardo Vallejos2 keywords: april; miguel; peru cache: jpagronomy-1865.pdf plain text: jpagronomy-1865.txt item: #64 of 77 id: jpagronomy-1893 author: Narrea Cango, Mónica; Huanuqueño Coca, Elías; Dilas-Jiménez, Josué Otoniel ; Vergara Copacondori, Jhon Anthony title: Management of Chloridea virescens (Noctuidae) in blueberries (Vaccinium corymbosum L.) to promote sustainable cultivation in Peru: A Review date: 2022-04-30 words: 9346 flesch: 50 summary: Cock, M. J. (2019). Single nucleotide polymorphisms (SNP) generated by genotyping by sequencing (GBS) allowed identifying QTLs of additive effect for resistance to Fusarium in wheat (Zhang et al., 2020). keywords: blueberries; blueberry; chloridea; control; corymbosum; crop; cry; et al; genes; management; noctuidae; peru; pest; plants; resistance; thuringiensis; use; vaccinium; virescens cache: jpagronomy-1893.pdf plain text: jpagronomy-1893.txt item: #65 of 77 id: jpagronomy-1930 author: Velásquez, r.; Burga, C.; Vargas, L. title: Effects of Salinity on three Mandarin Cultivars grafted on two different Rootstocks date: 2022-08-30 words: 3796 flesch: 56 summary: ‘Cleopatra’ mandarin and the scions grafted in it presented more salt tolerant than ‘Swingle citrumelo’ in all traits under evaluation like: leaves loss, plant dry weight loss, canopy/root ratio decreases and plant water loss. Similar results have been presented in previous research on orange (Navarro, 2010) but there are still missing information on plant dehydration on mandarin cultivars and interaction with different rootstocks combinations. keywords: citrumelo; cleopatra; effects; leaves; loss; plant; rootstocks; salinity; salt; scion; swingle; water cache: jpagronomy-1930.pdf plain text: jpagronomy-1930.txt item: #66 of 77 id: jpagronomy-1933 author: Komolafe, Oluwatosin title: Impact of two tillage practices on selected soil properties, growth and yield of maize on an ultisol date: 2022-08-30 words: 4610 flesch: 59 summary: Tillage practices have been an age long practice in farming. Conventional tillage involves tillage practices that leave less than 15 % of crop residue on the soil, while zero tillage is the process of retaining most crop residue on the soil surface (Singh et al., 2018). keywords: crop; growth; maize; practices; properties; research; season; soil; study; tillage; tillage practices; ultisol; yield cache: jpagronomy-1933.pdf plain text: jpagronomy-1933.txt item: #67 of 77 id: jpagronomy-1957 author: Gamero, Maira; Ortíz, Daniel; Barrera , Gloria title: Detection of Furcraea Necrotic Streak Virus (FNSV) in fique seed (Furcraea macrophylla Baker) to prevent the spread of the macana disease date: 2023-04-27 words: 6631 flesch: 50 summary: Since it has been shown that RT-PCR and DBIA techniques can detect asymptomatic infections (Barrera & Belaich, 2015, Barrera et al., 2015), positive plants with both techniques in the absence of symptoms were taken as true positives. Also, since there is no gold standard for diagnosing macana and both techniques have previously been shown to be capable of detecting asymptomatic infections (Toloza-Moreno et al., 2022), positive plants with both techniques were taken as true positives (TP) as infected plants, and negative plants with both methodologies were taken as true negatives (TN) as uninfected plants. keywords: bulbils; dbia; del; detection; disease; fique; fnsv; furcraea; macana; pcr; plants; prevalence; results; seed; virus cache: jpagronomy-1957.pdf plain text: jpagronomy-1957.txt item: #68 of 77 id: jpagronomy-1964 author: Gomez-Pando, L.; Dood, Ian ; Zamudio Ayala, Diego ; Deza Montoya, Denisse ; Eguiluz de la Barra, Ana title: Identification of bread wheat genotypes (Triticum aestivum L.) with tolerance to drought conditions at the central coast of Peru date: 2022-08-30 words: 8525 flesch: 54 summary: Grain yield values under total irrigation conditions (Yp), deficit irrigation (Ys), percentage of yield loss due to drought stress (YL), Stress Susceptibility Index (SSI), Stress Intensity (SI), Tolerance Index, (TOL) Mean Productivity (MP), Geometric Mean Productivity (GMP), Stress Tolerance Index (STI) of the assessment of tolerant wheat genotypes (Triticum aestivum L.) to drought in conditions of La Molina LM 2019B. Genotipes Genetic material Ys (kg/ha) For the thousand grains weight (g), the value in the control-complete irrigation treatment was equal to 57.43 g and that in the terminal drought-deficit irrigation treatment was 51.9 g. Abayomi & Wright (1999) point out that drought stress can reduce all yield components, especially the number of fertile spikes per unit area and the number of grains per spike. keywords: conditions; days; drought; genotypes; grains; grains weight; irrigation; meter; number; spikes; square; stress; tolerance; triticum; value; weight; wheat; yield cache: jpagronomy-1964.pdf plain text: jpagronomy-1964.txt item: #69 of 77 id: jpagronomy-1966 author: Olufemi Adekunle, Adedayo; Olanrewaju Babatunde, Raphael ; Bamidele Fakayode, Segun ; Bolaji, Morolake title: Cost-effectiveness of agriculture risk management strategies for resilience to climate shocks in Niger State, Nigeria date: 2022-12-31 words: 5113 flesch: 47 summary: Although there are empirical studies on climate change adaptation strategies among farmers in Nigeria, few studies have conducted BCA of climate change adaptation strategies and none has conducted studies on the adoptions of drought tolerant crops and dry season irrigation farming in Nigeria. Generally, studies on the cost-benefits of climate change adaptation strategies and their welfare impacts are very scarce. keywords: adaptation; benefit; change; climate; cost; crops; drought; farmers; farming; households; management; nigeria; season; state; strategies cache: jpagronomy-1966.pdf plain text: jpagronomy-1966.txt item: #70 of 77 id: jpagronomy-1973 author: Alemu, Zemedkun ; Taye, Workishet title: Pest management of sesame in Ethiopia: A review date: 2022-12-31 words: 5570 flesch: 57 summary: It can also help policymakers prioritize their resource allocations for the effective management of sesame pests. Approaches to prevention and control of sesame pests. keywords: days; et al; ethiopia; insect; journal; management; pest; research; review; seed; sesame cache: jpagronomy-1973.pdf plain text: jpagronomy-1973.txt item: #71 of 77 id: jpagronomy-1974 author: Tapia y Figueroa, María de Lourdes; Gómez Pando, Luz R. title: Eclidean distance can recognize the best Stevia genotype and environment to produce rebaudioside and stevioside under controlled conditions date: 2022-12-31 words: 3541 flesch: 49 summary: Euclidean distance from each environment simulated and Stevia genotype to the expert criteria. Euclidean distance from each treatment combination to the ideal phenotype of the stevia plantlets was calculated. keywords: conditions; data; distance; euclidean; ibt; plant; stevia cache: jpagronomy-1974.pdf plain text: jpagronomy-1974.txt item: #72 of 77 id: jpagronomy-1975 author: Romero, V.; Aragón, L.; Casas, A.; Apaza, W. title: Efficiency of Trichoderma viride as a biocontrol agent for Phytophthora capsici in Pepper (Capsicum annuum L.) date: 2022-12-31 words: 5122 flesch: 55 summary: Los resultados mostraron que la mayor eficacia de T. viride como de P. capsici se registró en los métodos de siembra plantín y raíz desnuda; la correlación entre el método de siembra y la pudrición radicular fue menor en la siembra a raíz desnuda (74 % severidad). Both the sowing methods as T. viride inoculation method, influence this result. keywords: bare; capsici; method; p. capsici; phytophthora; plant; plantlet; root; sowing; t. viride; trichoderma; viride cache: jpagronomy-1975.pdf plain text: jpagronomy-1975.txt item: #73 of 77 id: jpagronomy-1976 author: Guerra-Teixeira, Aldi Alida ; Alegre-Orihuela, Julio César ; Vásquez-Guerra, Alida Ivelice title: Sustainability of Amazonian fruit trees plots in Loreto, Peru date: 2022-12-31 words: 8747 flesch: 48 summary: c) Evaluar la sustentabilidad económica, ecológica y social de las parcelas con frutales amazónicos en el área de influencia de la carretera Evaluación de la sustentabilidad de fincas productoras de naranja (Citrus sinensis) variedad Valencia en la provincia de Chanchamayo, Junín, Perú. keywords: access; amazonian; biomass; carbon; del; diversity; et al; fruit; fruit trees; guerra; loreto; nauta; plots; soil; species; study; sustainability; table; total cache: jpagronomy-1976.pdf plain text: jpagronomy-1976.txt item: #74 of 77 id: jpagronomy-1979 author: Aryal, Muna; Pandey, Krishna Raj; Dhakal, Suman; Tumbapo, Sanjeev; Joshi, Yagyaraj title: Performance of Potato Variety Rolpa Local (Solanum tuberosum L.) under Different Mulching Conditions and Zinc Levels at Rolpa, Nepal date: 2023-04-18 words: 7939 flesch: 56 summary: N - O N - N E PA L E S E - AGRICULTURE-2076-77-2019-20.pdf Mondal, S. S., Patra, B. C., & Banerjee, H. (2015). The results showed that using silver on black plastic mulch with a zinc level of 4 kg/ ha improved both vegetative growth and potato yield, with favorable B:C ratios resulting in higher profitability. keywords: control; et al; mulching; plant; plastic; plot; potato; rolpa; silver; soil; tuber; yield; zinc cache: jpagronomy-1979.pdf plain text: jpagronomy-1979.txt item: #75 of 77 id: jpagronomy-1980 author: Tapia y Figueroa, María de Lourdes ; Gómez Pando, Luz R. title: Clonal propagation of Stevia (Stevia rebaudiana Bertoni) advanced lines in a Temporary Immersion Bioreactor System date: 2022-12-31 words: 3478 flesch: 54 summary: Keywords: sweetener, in vitro, bioreactor, genotype, Stevia. Resumen La Stevia (Stevia rebaudiana Bertoni), es una especie originaria de Paraguay y Brasil, la cual se utiliza como edulcorante natural con valor medicinal en la preparación de bebidas, dulces y otros. Published by Universidad Nacional Agraria La Molina This is an open access article under the CC BY Clonal propagation of Stevia (Stevia rebaudiana Bertoni) advanced lines in a Temporary Immersion Bioreactor System Propagación clonal de líneas avanzadas de Stevia (Stevia rebaudiana Bertoni) en un sistema de Biorreactores de Inmersión Temporal María de Lourdes Tapia y Figueroa1*; Luz R. Gómez Pando1 *Corresponding author: ltapia@lamolina.edu.pe *https://orcid.org/0000-0002-5000-3504 Abstract Stevia (Stevia rebaudiana A Bertoni), is a native species from Paraguay and Brazil, which is used as a natural sweetener with medicinal value in the preparation of beverages, sweets and others. keywords: bertoni; height; immersion; leaves; number; rebaudiana; seedling; stems; stevia cache: jpagronomy-1980.pdf plain text: jpagronomy-1980.txt item: #76 of 77 id: jpagronomy-1999 author: Funke Salami, Mercy ; Mark, Miracle ; Ibitomi, Olasumbo ; Kikelomo Osasona, Kehinde; Adeniyi, Victor ; Salami, Shakirat ; Sulaiman, Hamdalat title: Optimizing the Use of Biochar in Okra (Abelmoschus esculentus L.) Production in Nigeria. date: 2023-04-15 words: 4169 flesch: 56 summary: Treatment 1: Biochar application rates at 50 g.Kg-1 of soil; B1R1, B1R2, B1R3, B1R4, B1R5, B1R6 and B1R7 Treatment 2: Biochar application rates at 100 g.kg-1 of soil ; B2R1, B2R2, B2R3, B2R4, B2R5, B2R6, B2R7 Treatment 3: NPK treatment; NR1, NR2, NR3, NR4, NR5, NR6, NR7 Treatment 4: Control; CR1, CR2, CR3, CR4, CR5, CR6, CR7 Weed control, manual thinning, and watering of the plants Manual thinning that is, removal of excess vegetable was carried out to avoid overcrowding and competition for photosynthesis, water and nutrient and this help the viable plant to grow perfectly. A quantitative review of the effects of biochar application to soils on crop productivity using meta- analysis. keywords: biochar; control; effect; fertilizer; fruit; npk; okra; plant; soil cache: jpagronomy-1999.pdf plain text: jpagronomy-1999.txt item: #77 of 77 id: jpagronomy-2001 author: Torto, Saffea Joseph; Samura, Alusaine Edward; Sundufu, Abu James ; Quee, David Dan; Musa, Dennis Peter; Kanu, Sheku Alfred; Fomba, Sahr Ngoba ; Norman, Prince Emmanuel title: Grasshopper (Zonocerus variegatus L) Infestation and Root Dry Matter Content of Cassava as Influenced by Planting Date and Cassava Genotypes date: 2023-04-22 words: 5369 flesch: 54 summary: The results indicate that harvesting of cassava roots in December or in the dry season exhibits the highest dry matter accumulation useful for processing of the crop compared to harvesting done in the wet season period such as June and September. The protected plots recorded higher root dry matter content (44.0 %) than the unprotected plots (40.9 %). keywords: cassava; content; dry; genotypes; grasshopper; infestation; map; matter; planting; root; severity; slicass cache: jpagronomy-2001.pdf plain text: jpagronomy-2001.txt