EFFECT OF SELECTED INSECTICIDE ON WHITEFLY (Bemisia tabaci) INFESTING BRINJAL PLANTS 227 TRADITIONAL FOOD PLANTS CULTIVATED AND MANAGED IN HOME GARDENS IN SOUTH AFRICA’S EASTERN CAPE PROVINCE Alfred Maroyi Department of Botany, University of Fort Hare, Private Bag X1314, Alice 5700, South Africa.  amaroyi@ufh.ac.za Article History ABSTRACT Received: 19 February 2022 Revised: 23 September 2022 Accepted: 10 October 2022 Published: 19 October 2022 Keywords Eastern Cape province Ecosystem services Food provisioning Local communities Local ecological knowledge Plant diversity South Africa. This study aimed to document the diversity of traditional food plants in South Africa’s Eastern Cape province. The survey was carried out in six local municipalities in the province, between March 2016 and September 2020. Information on the socio-economic characteristics of the informants and on traditional food plants collected from the wild and cultivated and managed in home gardens was recorded using questionnaires, personal observations, and guided field walks with 145 informants. A total of 58 edible plants belonging to 46 genera and 29 families were recorded. The plant families with the largest number of species were Solanaceae (six species), followed by Amaranthaceae and Asteraceae (five species each), Rosaceae (four species), and Apiaceae, Cactaceae, and Fabaceae sensu lato with three species each. The main uses of the documented species were edible fruits (56.9%), leafy vegetables (29.3%), and edible tubers (12.1%). Species that were categorized as valuable, with relative frequency of citation (RFC) values exceeding 0.3, were Solanum tuberosum, Allium cepa, Zea mays, Beta vulgaris, Cucurbita moschata, Brassica oleracea, Spinacia oleracea, Cucurbita maxima, Daucus carota, and Lycopersicon esculentum. The findings highlight the significance of edible plant species to the well- being of local communities in the Eastern Cape province within the context of food provisioning. Contribution/Originality: This study documented edible plants cultivated and managed in home gardens. This study also documented Indigenous knowledge of edible plants. There is an increasing realization of the need to increase our understanding of edible plants in home gardens to preserve and protect the traditional knowledge associated with this practice. DOI: 10.55493/5005.v12i3.4638 ISSN(P): 2304-1455/ ISSN(E): 2224-4433 How to cite: Alfred Maroyi (2022). Traditional Food Plants Cultivated and Managed in Home Gardens in South Africa’s Eastern Cape Province. Asian Journal of Agriculture and Rural Development, 12(3), 227-235. 10.55493/5005.v12i3.4638 © 2022 Asian Economic and Social Society. All rights reserved. 1. INTRODUCTION Plant species growing in natural or semi-natural ecosystems and agroecosystems play an important role in the provision of food and other nutritional needs (Carvalho & Barata, 2016; Turner et al., 2011; Vincent et al., 2013). Galhena, Freed, and Maredia (2013) argued that the plants growing and managed in home gardens are an important component of food systems and agricultural landscapes. Literature studies have shown that plant species managed by households in home gardens contribute to food security, human nutrition, enhanced incomes, and other ecosystem Asian Journal of Agriculture and Rural Development Volume 12, Issue 3 (2022): 227-235. http://www.aessweb.com/journals/5005 mailto:amaroyi@ufh.ac.za http://www.aessweb.com/journals/5005 Asian Journal of Agriculture and Rural Development, 12(3)2022: 227-235 228 goods and services associated with maintaining or increasing local biodiversity (Galhena et al., 2013; Guell et al., 2021; Ngcaba & Maroyi, 2021). Turner et al. (2011) argued that people living in the same community have different food choices determined by biodiversity levels, necessity or opportunity, and territorial differences or resource availability. Similarly, Garn and Leonard (1989) argued that there are about 30,000 edible plant species on the planet, of which approximately 7,000 are either cultivated or collected from the wild as food (Chivenge, Mabhaudhi, Modi, & Mafongoya, 2015; Marrelli, Statti, & Conforti, 2020; Motti, Bonanomi, Lanzotti, & Sacchi, 2020). Nevertheless, research by Prescott-Allen and Prescott-Allen (1990) showed that about 20 plant species account for approximately 90% of the planet's food requirements, with wheat (Triticum aestivum L.), rice (Oryza sativa L.), and maize (Zea mays L.) accounting for 60% of the human diet. Therefore, edible plants harvested from the wild or cultivated or managed in home gardens play a significant role in maintaining human culture, as well as nutritional needs (Bacchetta et al., 2016; Borelli et al., 2020; Gębczyński, Bernaś, & Słupski, 2022; Ray, 2022). For example, Van Wyk (2011) listed more than 120 plant species in South Africa with commercial potential as food plants. Although the food plants of South Africa are relatively well studied compared to those of other developing countries (Bhat & Rubuluza, 2002; Fox & Norwood, 1982; Liengme, 1981; Magwede, Van Wyk, & Van Wyk, 2019; Moffett, 2010), other researchers, like Welcome and Van Wyk (2019), have emphasized the need for detailed research on the traditional food plants of South Africa. Therefore, this study aimed to document the diversity of traditional foods in South Africa’s Eastern Cape province. This study forms part of a wider research project on floristic composition and plant utilization patterns in Eastern Cape province conducted by a multidisciplinary team composed of social and natural scientists (Atyosi, Ramarumo, & Maroyi, 2019; Maroyi, 2017; Thinyane & Maroyi, 2019a, 2019b). Eastern Cape province is the second- largest province of South Africa, covering 168,966 km2 of land area (Statistics South Africa (STATS SA), 2018). It is regarded as a rural province and is inhabited mainly by isiXhosa-speaking people of Cape Nguni descent, and some of the local communities are highly dependent on natural resources for their livelihoods (Hamann & Tuinder, 2012). 2. MATERIALS AND METHODS 2.1 Study Area This study was carried out in six local municipalities in Eastern Cape province, namely Elundini, Mbhashe, Mbizana, Ntabankulu, Raymond Mhlaba, and Umzimvubu (see Figure 1). Figure 1. Map of South Africa showing the geographical position of the sites. All six local municipalities are in the Savanna Biome (Mucina & Rutherford, 2006) dominated by grasslands, succulent plants, thickets, and Acacia bushveld. The altitude of the study area is between 0 and 1860 m a.s.l., with summer rainfall and dry frosty winters with approximately 500–1069 mm precipitation per year (Jari & Fraser, 2012; Manyevere, Muchaonyerwa, Laker, & Mnkeni, 2014). Mean monthly temperatures range from 38°C in summer to 4°C in winter (Jari & Fraser, 2012; Manyevere et al., 2014; Palmer, Timmermans, & Fay, 2000). 2.2 Data Collection The sampling occurred during a series of one-week field excursions conducted between March 2016 and September 2020. Sampling was carried out in six local municipalities (Figure 1). Standardized plant sampling procedures were used to collect specimens (Bridson & Foreman, 1998; Victor, Koekemoer, Fish, Smithies, & Asian Journal of Agriculture and Rural Development, 12(3)2022: 227-235 229 Mössmer, 2004). This involved transect walks in home gardens, farms, and the surrounding landscapes. Interviews and discussions were conducted in isiXhosa and translated into English with the assistance of an interpreter. We recorded plant names, their uses, plant parts used, different plant use categories, and preparation methods of useful plants. A list of edible plant species and plant-use categories, such as edible fruits, culinary herbs, leafy vegetables, cereals, edible roots, seeds, and tubers, was developed, and documented species were placed into these plant-use categories. These categories were expanded or modified based on information obtained during fieldwork, focus group discussions, and field observations. Germishuizen and Meyer (2003) and the Plants of the World Online (2021) were used to authenticate the plant names. Ethnobotanical data were gathered from 145 purposively sampled participants using a snowball sampling approach (Etikan, Alkassim, & Abubakar, 2016; Heckathorn, 2011; Waters, 2015). The participants were asked to sign an informed consent form (MAR011). Most of the informants (56.6%) were female, and their ages ranged from 18 to 84 years (see Figure 2). More than three-quarters of the informants (83.4%) were more than 59 years of age, while 31.0% were less than 40 years of age. The majority of the participants were single (43.4%), followed by married (29.7%), widowed (15.2%), and divorced (11.7%). Close to half of the sample (46.2%) had completed primary level education, while 23.4% of the informants had completed secondary level education, and 15.9% and 14.5% of the informants had attained tertiary education or had no formal education, respectively. About half of the informants (49.7%) were unemployed, surviving on South African government social grants and remittances from relatives. Figure 2. Participants’ demographic information. 2.3. Data Analysis The relative frequency of citation (RFC) of the species was determined using the following equation: RFC = FC/N (00.3 (in descending order of importance) were: Zea mays L. (cereal, edible seeds and fruits sold in local markets), Brassica oleracea L. (leafy vegetable), Allium cepa L. (edible tubers), Solanum tuberosum L. (edible tubers sold in local markets), Spinacia oleracea L. (leafy vegetable sold in local markets), Cucurbita moschata Duchesne ex Poir. (edible fruits sold in local markets), Cucurbita maxima Duchesne (edible fruits sold in local markets), Beta vulgaris L. (edible tubers and leaves sold in local markets), Lycopersicon esculentum Mill. (edible fruits sold in local markets), and Daucus carota L. (edible taproots sold in local markets) (Table 2). Plant species reported to have little value, with RFC values of 0.02, were Carissa bispinosa (L.) Desf. ex Brenan (edible fruits), Harrisia balansae (K. Schum.) N.P. Taylor & Zappi (edible fruits), Portulacaria afra Jacq. (leafy vegetable), Solanum aculeastrum Dun. (edible fruits), Solanum retroflexum Dun. (ripe fruits are eaten and leaves used for flavor when cooking), Sonchus oleraceus L. (leafy vegetable) and Zantedeschia aethiopica (L.) Spreng. (edible tubers) (Table 1). 4. CONCLUSION The results of this study have shown that locally harvested plants provide essential food and some cash income for local communities. These research findings contribute to the wider body of knowledge on ecosystem goods and services derived from plant species, livelihood benefits derived by local communities from plant species, and how these benefits influence local support for plant resource management initiatives in the region and other provinces of South Africa. Funding: This work is supported by the Govan Mbeki Research and Development Centre (GMRDC) (Grant number: C169); the University of Fort Hare, the National Research Foundation (NRF) (Grant number: TC90); and South Africa, and the Water Research Commission (WRC), South Africa (Grant number: KV 328/1/14). Competing Interests: The author declares that there are no conflicts of interests regarding the publication of this paper. Views and opinions expressed in this study are those of the authors views; the Asian Journal of Agriculture and Rural Development shall not be responsible or answerable for any loss, damage, or liability, etc. caused in relation to/arising out of the use of the content. REFERENCES Ahmad, M., Sultana, S., Fazl-i-Hadi, S., Ben, H. T., Rashid, S., Zafar, M., & Yaseen, G. (2014). An ethnobotanical study of medicinal plants in high mountainous region of Chail valley (District Swat-Pakistan). Journal of Ethnobiology and Ethnomedicine, 10(1), 1-18.Available at: https://doi.org/10.1186/1746-4269-10-36. Akinnifesi, F., Kwesiga, F., Mhango, J., Chilanga, T., Mkonda, A., Kadu, C., & Sileshi, G. (2006). Towards the development of miombo fruit trees as commercial tree crops in Southern Africa. Forests, Trees and Livelihoods, 16(1), 103-121.Available at: https://doi.org/10.1080/14728028.2006.9752548. Akinnifesi, F. K., Leakey, R. R. B., Ajayi, O. C., Sileshi, G., Tchoundjeu, Z., Matakala, P., & Kwesiga, F. R. (2008a). Indigenous fruit trees in the tropics: Domestication, utilization and commercialization. Nairobi, Kenya: World Agroforestry Centre. Akinnifesi, F. K., Sileshi, G., Ajayi, O. C., Chirwa, P. W., Mng’omba, S., Chakeredza, S., & Nyoka, B. (2008b). Domestication and conservation of indigenous Miombo fruit trees for improving rural livelihoods in Southern Africa. Biodiversity, 9(12), 72- 74.Available at: https://doi.org/10.1080/14888386.2008.9712888. Akinnifesi, F., Sileshi, G., Da Costa, J., De Moura, E., Da Silva, R. F., Ajayi, O., & Rodrigues, M. (2010). Floristic composition and canopy structure of home-gardens in São Luís City, Maranhão State, Brazil. Journal of Horticulture and Forestry, 2(4), 72- 86. Atyosi, Z., Ramarumo, L. J., & Maroyi, A. (2019). Alien plants in the Eastern Cape province in South Africa: Perceptions of their contributions to livelihoods of local communities. Sustainability, 11(18), 5043.Available at: https://doi.org/10.3390/su11185043. Bacchetta, L., Visioli, F., Cappelli, G., Caruso, E., Martin, G., Nemeth, E., & van Asseldonk, T. (2016). A manifesto for the valorization of wild edible plants. Journal of Ethnopharmacology, 191, 180-187.Available at: https://doi.org/10.1016/j.jep.2016.05.061. Bennett, B. C. (2011). Twenty-five economically important plant families: Encyclopedia of life support systems. Retrieved from http://www.eolss.net/Sample-Chapters/C09/E6-118-03.pdf. [Accessed 15/12/2021]. Bhat, R. B., & Rubuluza, T. (2002). The biodiversity of traditional vegetables of the Transkei region in the Eastern Cape of South Africa. South African Journal of Botany, 68(1), 94–99.Available at: https://doi.org/10.1016/s0254-6299(16)30463-x. Borelli, T., Hunter, D., Powell, B., Ulian, T., Mattana, E., Termote, C., & Tan, A. (2020). Born to eat wild: An integrated conservation approach to secure wild food plants for food security and nutrition. Plants, 9(10), 1299.Available at: https://doi.org/10.3390/plants9101299. Bridson, D., & Foreman, L. (1998). The herbarium handbook. Richmond, UK: Royal Botanic Gardens, Kew. Bromilow, C. (2018). Problem plants and alien weeds of Southern Africa. Pretoria, South Africa: Briza Publications. Carvalho, A. M., & Barata, A. M. (2016). The consumption of wild edible plants. In I.C.F.R. Ferreira, P. Morales & L. Barros (Eds.), Wild plants, mushrooms and nuts: Functional food properties and applications (pp. 159-198). Chichester, UK: John Wiley & Sons, Ltd. Chivenge, P., Mabhaudhi, T., Modi, A. T., & Mafongoya, P. (2015). The potential role of neglected and underutilised crop species as future crops under water scarce conditions in Sub-Saharan Africa. International Journal of Environmental Research and Public Health, 12(6), 5685-5711.Available at: https://doi.org/10.3390/ijerph120605685. Etikan, I., Alkassim, R., & Abubakar, S. (2016). Comparision of snowball sampling and sequential sampling technique. Biometrics and Biostatistics International Journal, 3(1), 55.Available at: https://doi.org/10.15406/bbij.2016.03.00055. http://www.eolss.net/Sample-Chapters/C09/E6-118-03.pdf Asian Journal of Agriculture and Rural Development, 12(3)2022: 227-235 234 Faruque, M. O., Uddin, S. B., Barlow, J. W., Hu, S., Dong, S., Cai, Q., & Hu, X. (2018). Quantitative ethnobotany of medicinal plants used by indigenous communities in the Bandarban District of Bangladesh. Frontiers in Pharmacology, 9, 40.Available at: https://doi.org/10.3389/fphar.2018.00040. Fox, F. W., & Norwood, Y. M. E. (1982). Food from the Veld. Johannesburg, South Africa: Delta Books. Galhena, D. H., Freed, R., & Maredia, K. M. (2013). Home gardens: A promising approach to enhance household food security and wellbeing. Agriculture & Food Security, 2(1), 1-13.Available at: https://doi.org/10.1186/2048-7010-2-8. Garn, S. M., & Leonard, W. R. (1989). What did our ancestors eat? Nutrition Reviews, 47(11), 337-345.Available at: https://doi.org/10.1111/j.1753-4887.1989.tb02765.x. Gębczyński, P., Bernaś, E., & Słupski, J. (2022). Usage of wild-growing plants as foodstuff. In J. Hernik, M. Walczycka, E. Sankowski & B.J. Harris (Eds.), Cultural heritage: Possibilities for land-centered societal development. environmental history (Vol. 13, pp. 269-283). Cham, Switzerland: Springer. Germishuizen, G., & Meyer, N. L. (2003). Plants of southern Africa: An annotated checklist. Pretoria, South Africa: Southern African Botanical Diversity Network Report (SABONET) No. 14. Guell, C., Brown, C. R., Iese, V., Navunicagi, O., Wairiu, M., & Unwin, N. (2021). “We used to get food from the garden.” Understanding changing practices of local food production and consumption in small island states. Social Science & Medicine, 284, 114214.Available at: https://doi.org/10.1016/j.socscimed.2021.114214. Hamann, M., & Tuinder, V. (2012). Introducing the Eastern Cape: A quick guide to its history, diversity and future challenges. Stockholm, Sweden: Stockholm Resilience Centre, Stockholm University. Hammer, K., & Khoshbakht, K. (2015). A domestication assessment of the big five plant families. Genetic Resources and Crop Evolution, 62(5), 665-689.Available at: https://doi.org/10.1007/s10722-014-0186-2. Heckathorn, D. D. (2011). Comment: Snowball versus respondent-driven sampling. Sociological Methodology, 41(1), 355- 366.Available at: https://doi.org/10.1111/j.1467-9531.2011.01244.x. Jari, B., & Fraser, G. C. G. (2012). Influence of institutional and technical factors on market choices of smallholder farmers in the Kat River Valley. In H.D. van Schalkwyk, J.A. Groenewald, G.C.G. Fraser, A. Obi & A. Van Tilburg (Eds.), Unlocking markets to smallholders: Lessons from South Africa (pp. 59-89). Wageningen, the Netherlands: Wageningen Academic Press. Lerato, Y. M., Stefan, J. S., Sarel, S. C., Catharina, S. L., & Rie, D. (2010). The Tswana tshimo: A homegarden system of useful plants with a particular layout and function. African Journal of Agricultural Research, 5(21), 2952-2963. Liengme, C. (1981). Plants used by the Tsonga people of Gazankulu. Bothalia, 13(3/4), 501-518.Available at: https://doi.org/10.4102/abc.v13i3/4.1357. Magwede, K., Van Wyk, B.-E., & Van Wyk, A. (2019). An inventory of Vhavenḓa useful plants. South African Journal of Botany, 122, 57-89.Available at: https://doi.org/10.1016/j.sajb.2017.12.013. Manyevere, A., Muchaonyerwa, P., Laker, M., & Mnkeni, P. N. S. (2014). Farmers’ perspectives with regard to arable crop production and deagrarianisation: An analysis of Nkonkobe Municipality, South Africa. Journal of Agriculture and Rural Development in the Tropics and Subtropics, 115(1), 41-53. Maroyi, A. (2017). Diversity of use and local knowledge of wild and cultivated plants in the Eastern Cape province, South Africa. Journal of Ethnobiology and Ethnomedicine, 13(1), 1-16.Available at: https://doi.org/10.1186/s13002-017-0173-8. Maroyi, A. (2021). Diversity of edible plants in home gardens of the Eastern Cape Province, South Africa. Ecology, Environment and Conservation, 27(1), 378-385. Marrelli, M., Statti, G., & Conforti, F. (2020). A review of biologically active natural products from Mediterranean wild edible plants: Benefits in the treatment of obesity and its related disorders. Molecules, 25(3), 649.Available at: https://doi.org/10.3390/molecules25030649. Moffett, R. (2010). Sesotho plant and animal names and plants used by the Basotho. Bloemfontein, South Africa: Sun Press. Mosina, G., & Maroyi, A. (2016). Edible plants of urban domestic gardens in the Capricorn District, Limpopo Province, South Africa. Tropical Ecology, 57(2), 181-191. Motti, R., Bonanomi, G., Lanzotti, V., & Sacchi, R. (2020). The contribution of wild edible plants to the Mediterranean Diet: An ethnobotanical case study along the coast of Campania (Southern Italy). Economic Botany, 74(3), 249-272.Available at: https://doi.org/10.1007/s12231-020-09504-1. Mucina, L., & Rutherford, M. C. (2006). The vegetation of South Africa, Lesotho and Swaziland. Pretoria, South Africa: Strelizia 19, South African National Biodiversity Institute. Nemudzudzanyi, A. O., Siebert, S. J., Zobolo, A. M., & Molebatsi, L. Y. (2010). The Zulu Muzi: A home garden system of useful plants with a particular layout and function. Indilinga African Journal of Indigenous Knowledge Systems, 9(1), 57-72. Ngcaba, P., & Maroyi, A. (2021). Home gardens in the Eastern Cape province, South Africa: A promising approach to enhance household food security and well-being. Biodiversitas, 22(9), 4045-4053.Available at: https://doi.org/10.13057/biodiv/d220953. Palmer, R., Timmermans, H., & Fay, D. (2000). From conflict to negotiation: Nature-based development on South Africa’s Wild Coast. Grahamstown, South Africa: Human Science Research Council. Plants of the World Online. (2021). Royal botanical gardens. Retrieved from http://www.plantsoftheworldonline.org/ [Accessed 11/12/2021]. Prescott-Allen, R., & Prescott-Allen, C. (1990). How many plants feed the world? Conservation Biology, 4(4), 365–374.Available at: https://doi.org/10.1111/j.1523-1739.1990.tb00310.x. Ray, S. (2022). Effect of Kinema flour on qualitative properties of biscuit. Journal of Food Technology Research, 9(1), 55–63.Available at: https://doi.org/10.18488/jftr.v9i1.2938. Reta, R. (2016). Useful plant species diversity in homegardens and its contribution to household food security in Hawassa city, Ethiopia. African Journal of Plant Science, 10(10), 211-233.Available at: https://doi.org/10.5897/ajps2016.1439. Statistics South Africa (STATS SA). (2018). Statistics South Africa. Pretoria, South Africa. Retrieved from: http://www.statssa.gov.za/?page_id¼760/. [Accessed 11/12/2021]. Thinyane, Z., & Maroyi, A. (2019a). Non-timber forest products (NTFPs): A viable option for livelihood enhancement in the Eastern Cape province, South Africa. Journal of Biological Sciences, 19(3), 248-258.Available at: https://doi.org/10.3923/jbs.2019.248.258. http://www.plantsoftheworldonline.org/ http://www.statssa.gov.za/?page_id¼760/ Asian Journal of Agriculture and Rural Development, 12(3)2022: 227-235 235 Thinyane, Z., & Maroyi, A. (2019b). Medicinal plants used by the inhabitants of Alfred Nzo District Municipality in the Eastern Cape province, South Africa. Journal of Pharmacy and Nutrition Sciences, 9(3), 157-166.Available at: https://doi.org/10.29169/1927-5951.2019.09.03.4. Turner, N. J., Luczaj, L. J., Migliorini, P., Pieroni, A., Dreon, A. L., Sacchetti, L. E., & Paoletti, M. G. (2011). Edible and tended wild plants, traditional ecological knowledge and agroecology. Critical Reviews in Plant Sciences, 30(1-2), 198- 225.Available at: https://doi.org/10.1080/07352689.2011.554492. Van Wyk, B.-E. (2011). The potential of South African plants in the development of new medicinal products. South African Journal of Botany, 77(4), 812–829.Available at: https://doi.org/10.1016/j.sajb.2011.08.011. Van Wyk, B.-E., & Gericke, N. (2018). People’s plants: A guide to useful plants of Southern Africa. Pretoria, South Africa: Briza Publications. Victor, J. E., Koekemoer, M., Fish, L., Smithies, S. J., & Mössmer, M. (2004). Herbarium essentials: The Southern African herbarium user manual. Pretoria, South Africa: National Botanical Institute. Vincent, H., Wiersema, J., Kell, S., Fielder, H., Dobbie, S., Castañeda-Álvarez, N. P., & Maxted, N. (2013). A prioritized crop wild relative inventory to help underpin global food security. Biological Conservation, 167, 265-275.Available at: https://doi.org/10.1016/j.biocon.2013.08.011. Waters, J. (2015). Snowball sampling: A cautionary tale involving a study of older drug users. International Journal of Social Research Methodology, 18(4), 367-380.Available at: https://doi.org/10.1080/13645579.2014.953316. Welcome, A., & Van Wyk, B.-E. (2019). An inventory and analysis of the food plants of Southern Africa. South African Journal of Botany, 122, 136-179.Available at: https://doi.org/10.1016/j.sajb.2018.11.003.