The effect of growing factors on the yield of seeds of ashwagandha (Withania somnifera (L.) Dun.) cultivated in Polish climatic conditions
2004
Obidoska, G. | Sadowska, A. | Rumowska, M.
Aswagandha (Withania somnifera (L.) Dun.), a subtropical medicinal plant of great value my be cultivated as an annual in a temperate climate zone. The aim of this study was to assess the possibility of obtaining seeds of ashwagandha capable of germinating from field plantation in Polish climatic conditions. The field seed yield depended to a great extent on the weather conditions. In 2000, which was a favourable year (warm and dry turn of September and October), it was even higher than the seed yield obtained in a greenhouse. The total number of seeds per square m and the percentage of seeds capable of germinating were significantly increased by mulching with black, plastic foil. However, the rising of plant density from 6 to 9 per square m had no significant effect on their seed yield
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