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 VOLUME Vol.05 Issue03 2025 

PAGE NO. 20-23 

DOI 10.37547/ajahi/Volume05Issue03-06 

 
 
 
 

Technology of Cultivation of Silybum marianum Gaertn. 

L. (Milk Thistle) 
 

K.Yu.Abdraimova 

The Department of "Technology of Storage, Cultivation and Processing of Medicinal Plants" of Karakalpakstan Institute of Agriculture 

and Agrotechnologies, Senior lecturer, Uzbekistan 

 

A.O.Karimbayeva 

The Department of "Technology of Storage, Cultivation and Processing of Medicinal Plants" of Karakalpakstan Institute of Agriculture 

and Agrotechnologies, assistant teacher, Uzbekistan 

 

D.R.Rasbergenova 

The Department of "Technology of Storage, Cultivation and Processing of Medicinal Plants" of Karakalpakstan Institute of Agriculture 

and Agrotechnologies.  assistant teacher, Uzbekistan 

 

G.I.Saparniyazova 

3rd year student of speciality "Technology of Cultivation and Processing of Medicinal Plants", Uzbekistan 

 

 

Received: 27 January 2025; Accepted: 25 February 2025; Published: 23 March 2025 

 

Abstract: This article provides an in-depth analysis of the cultivation technology of Silybum marianum Gaertn. L. 
(Milk Thistle), a medicinal plant valued for its hepatoprotective properties, primarily attributed to its bioactive 
compound, silymarin. The article explores essential aspects of milk thistle cultivation, including soil and climate 
requirements, sowing practices, fertilization, irrigation, pest and disease management, as well as harvesting and 
post-harvest processing. Additionally, it highlights modern biotechnological advances, such as in vitro and hairy 
root culture techniques, that can complement traditional farming methods to enhance the production of 
silymarin. Practical examples are provided to illustrate the recommendations for successful cultivation, making it 
a comprehensive guide for both small-scale and large-scale producers.   

 

Keywords: Silybum marianum, Milk Thistle, Silymarin, Hepatoprotective properties, Cultivation technology, Soil 
requirements, Sowing practices, Fertilization, Irrigation. 

 

Introduction: Milk thistle (Silybum marianum Gaertn. 
L.) is a widely cultivated medicinal plant, renowned for 
its hepatoprotective properties, largely attributed to its 
bioactive compound, silymarin. Over the years, the 
cultivation of milk thistle has gained importance due to 
its valuable seeds, which are used in pharmaceuticals 
and supplements. This article presents a 
comprehensive guide to the technology of cultivating 
Silybum marianum, focusing on soil requirements, 
sowing practices, fertilization, irrigation, pest 

management, harvesting, and post-harvest processing. 
The article also includes practical examples to aid  

understanding [1, 111-117]. 

Soil and Climate Requirements 

The cultivation of milk thistle is highly dependent on 
the soil and climate conditions. These factors influence 
the plant’s growth and the quality of the harvested 
seeds. 

 

Aspect Recommendation Examples 

 

https://doi.org/10.37547/ajahi/Volume05Issue03-06
https://doi.org/10.37547/ajahi/Volume05Issue03-06
https://doi.org/10.37547/ajahi/Volume05Issue03-06
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American Journal Of Agriculture And Horticulture Innovations (ISSN: 2771-2559) 
 

 

 

Soil Type 
Fertile, well-drained soil with a neutral 

to slightly alkaline pH (6-7.5). 

Sandy loam or clay loam, rich in organic 

matter. Commonly grown in 

Mediterranean soils. 

 

Climate 
Warm, temperate climate with 

moderate rainfall or drought tolerance. 

Thrives in areas like Southern Europe, 

the Mediterranean, and parts of North 

America. 

 

Temperature 

Ideal temperature range between 15°C 

to 30°C. 

Best grown in areas with long, sunny 

summers and mild winters. 

Milk thistle is adaptable to various climates but 
performs best under temperate conditions with a well-
drained, fertile soil that supports deep root 
development. It has moderate water requirements and 
is drought-tolerant, though it responds well to 

irrigation during dry spells [4, 199-206]. 

Sowing Practices 

The sowing method plays a crucial role in the 
establishment and growth of Silybum marianum. 

 
Aspect Recommendation Examples 

Sowing Method Direct sowing into the soil or 

transplanting seedlings. 

Direct sowing in rows with spacing of 

40-60 cm between plants. 

Sowing Depth Seeds should be planted 1.5 to 2 cm 

deep. 

Shallow sowing in cool climates, 

ensuring better seedling emergence. 

Optimal Sowing 

Time 

Sowing should occur after the last frost 

in early spring. 

For temperate zones, sowing in late 

March to early April is ideal. 

In terms of sowing, direct seeding is often preferred for 
large-scale cultivation. The recommended sowing 
depth of 1.5 to 2 cm ensures proper seed germination. 
The best sowing time is after the last frost to avoid 
damage to the seedlings [2, 825-830]. 

Fertilization and Irrigation 

Fertilization and irrigation are key factors that directly 
impact the growth and seed yield of milk thistle. 

 

Aspect Recommendation Examples 

Nitrogen 

Fertilization 

50-100 kg/ha of nitrogen, depending 

on soil fertility. 

Fertilizing with 60 kg/ha nitrogen 

improves seed yield. 

Phosphorus 

Fertilization 

Apply 30-60 kg/ha of phosphorus 

for root development. 

Application of phosphorus for soils 

deficient in this nutrient increases root 

vigor 

Irrigation Moderate irrigation during critical 

growth periods. 

50-60 mm per week during flowering and 

seed development stages. 

Milk thistle benefits from nitrogen fertilization, 
particularly if the soil is deficient in this nutrient. 
Phosphorus also plays a vital role in enhancing root 
development. While milk thistle is drought-tolerant, 
consistent watering during key growth stages such as 
flowering and seed development helps ensure higher  

yields [6, 156-160]. 

Pest and Disease Management 

While milk thistle is relatively resistant to pests, it is 
important to manage potential threats to avoid losses 
in seed yield and quality. 



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American Journal Of Agriculture And Horticulture Innovations (ISSN: 2771-2559) 
 

 

 
Aspect Recommendation Examples 

Pests Regular monitoring for seed-head 

weevil (Larinus latus) and aphids 

Seed-head weevil can damage seeds, 

reducing quality. Aphids may transmit 

plant viruses. 

Integrated Pest 

Management 

Use natural predators and biological 

control methods. 

Introduction of Trichogramma wasps to 

control weevil populations. 

Disease 

Prevention 

Rotate crops to prevent fungal 

diseases. 

Rotating with legumes reduces fungal 

diseases like Fusarium on the seeds 

Effective pest and disease management ensures 
healthy plants and high-quality seeds. Integrated pest 
management (IPM) practices such as the use of natural 
predators, biological control agents, and crop rotation 
can help minimize the need for chemical pesticides, 
making the process more sustainable [3, 729]. 

Harvesting and Post-Harvest Processing 

Proper harvesting and post-harvest processing are 
essential to preserve the bioactive compounds, 
particularly silymarin, in the seeds. 

 

Aspect Recommendation Examples 

Harvest Time Harvest when seeds are fully mature, 

but before natural dispersal. 

Harvest in late summer when seeds turn 

from green to brown. 

Harvest Method Hand harvesting or mechanical 

harvesting using combine harvesters. 

Hand-harvesting for small-scale 

operations; mechanized harvesting for 

large-scale. 

Seed Cleaning Clean seeds immediately after harvest 

to prevent contamination. 

Use an air-screen cleaner to remove 

debris and damaged seeds. 

Drying 
Dry seeds in a shaded, ventilated area 

or using commercial dryers. 

Dry seeds at temperatures under 40°C to 

preserve silymarin content. 

The timing of the harvest is crucial; seeds must be 
harvested when they are mature but not overripe. 
Drying and cleaning should be done quickly to maintain 
the quality of the seeds. Proper storage in cool, dry 
conditions extends seed viability and quality. 

Biotechnological Advances 

In addition to traditional farming methods, 
biotechnological innovations offer new ways to 
increase silymarin production. 

 

Aspect Recommendation Examples 

In Vitro  

Cultivation 

Use tissue culture techniques to 

propagate milk thistle in controlled 

environments. 

In vitro cultures can be used to produce 

high yields of silymarin in a laboratory 

setting. 

Hairy Root  

Cultures 

Employ Agrobacterium rhizogenes 

to produce hairy root cultures for 

silymarin extraction. 

Hairy root cultures have been studied for 

high silymarin content production in 

controlled conditions. 

These biotechnological techniques can complement traditional cultivation methods and offer an alternative  



American Journal Of Agriculture And Horticulture Innovations 23 https://theusajournals.com/index.php/ajahi 

American Journal Of Agriculture And Horticulture Innovations (ISSN: 2771-2559) 
 

 

source of silymarin, which is particularly useful for 
commercial production when demand is high [5, 836]. 

CONCLUSION 

The successful cultivation of Silybum marianum 
requires careful attention to several factors, including 
soil preparation, proper sowing, fertilization,  

irrigation, pest management, and timely harvesting. 
Farmers should also consider advancements in 
biotechnology, such as tissue culture and hairy root 
culture, to increase the yield of silymarin, which is the 
key bioactive compound in the seeds. By following the 
appropriate cultivation practices and utilizing modern 
technologies, milk thistle can be cultivated efficiently 
for both medicinal and commercial purposes, 
contributing to the growing demand for natural health 
products. 

REFERENCES 

Habán, M., Habánová, M., Otepka, P., & Kobida, Ľ. 
(2010). Milk thistle (Silybum marianum [l.] gaertn.) 
cultivated in polyfunctional crop rotation and its 
evaluation. Research Journal of Agricultural Science, 
42(1), 111-117. 

Karkanis, A., Bilalis, D., & Efthimiadou, A. (2011). 
Cultivation of milk thistle (Silybum marianum L. 
Gaertn.), a medicinal weed. Industrial Crops and 
Products, 34(1), 825-830. 

Marceddu, R., Dinolfo, L., Carrubba, A., Sarno, M., & Di 
Miceli, G. (2022). Milk thistle (Silybum Marianum L.) as 
a novel multipurpose crop for agriculture in marginal 
environments: A review. Agronomy, 12(3), 729.  

Porwal, O., Ameen, M. M., Anwer, E. T., Uthirapathy, S., 
Ahamad, J., & Tahsin, A. (2019). Silybum marianum 
(Milk Thistle): Review on Its chemistry, morphology, 
ethno medical uses, phytochemistry and 
pharmacological activities. Journal of Drug Delivery and 
Therapeutics, 9(5), 199-206. 

Valková, V., Ďúranová, H., Bilčíková, J., & Habán, M. 
(2020). Milk thistle (Silybum marianum): a valuable 
medicinal plant with several therapeutic purposes. The 
Journal of Microbiology, Biotechnology and Food 
Sciences, 9(4), 836. 

Vozhehova, R. A., Fedorchuk, M. I., Lavrynenko, Y. O., 
Kokovikhin, S. V., Lykhovyd, P. V., Biliaieva, I. M., & 
Nesterchuk, V. V. (2018). Effect of agrotechnological 
elements on milk thistle (Silynum marianum) 
productivity. Regulatory Mechanisms in Biosystems, 
9(2), 156-160. 


