Foliar application of elicitors enhanced the yield of withanolide contents in Withania somnifera (L.) Dunal (variety, Poshita)
2020
Singh, Manali | Poddar, Nitesh Kumar | Singh, Dipti | Agrawal, Sanjeev
This study involves a detailed investigation about the effect of three elicitors, such as chitosan, jasmonic acid and salicylic acid (SA) on withaferin A and withanolide A contents of Withania somnifera (L.) Dunal (Poshita variety). Moreover, the different environmental regimes were also studied to assess and optimise the accumulation of withaferin A and Withanolide A contents. In an open environment, the total withaferin A content was found to be increased 6.3 and 5.8 times when sprayed with chitosan, 10 ppm and 50 ppm, respectively, as compared to control. Similarly, the total withanolide A content was found to be increased 4.5 and 3.6 times when sprayed with jasmonic acid (400 ppm and 200 ppm, respectively) with respect to control. In a controlled condition, the total withaferin A content was found to be increased 6 and 4.5 times when sprayed with jasmonic acid (400 ppm and 200 ppm, respectively) as compared to control. On the other hand, the total withanolide A content was found to be enhanced by 7 and 4.3 times when sprayed with jasmonic acid (400 ppm) and SA (1 ppm), respectively, as compared to control. Therefore, this study was focussed on the optimisation of enhanced accumulation of withaferin A and withanolide A contents in the aerial parts of the plant in open and controlled environment by foliar application of elicitors in minimal concentrations.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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