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Vol. 8, Issue 5 (2019)

Effect of drought and high temperature stress on greengram (Vigna radiata (L.) Wilczek) at vegetative stage

Author(s):
M Jincy, P Jeyakumar, P Boominathan, N Manivannan, S Varanavasiappan and V Babu Rajendraprasad
Abstract:
Drought and high temperature stress are the most acute environmental stresses presently affecting the agriculture. In this study the combined effects of drought and high temperature stress on photosynthetic pigments such as chlorophyll a, chlorophyll b and total chlorophyll content, relative water content and chlorophyll stability index (CSI) were determined to identify the genotypic differences under combined stress condition. The greengram genotypes were exposed to drought and high temperature stress during vegetative stage by withhold the irrigation to maintain a field capacity of 50% and sowing the seeds to coincide with high temperature stress (> 36±2°C). The cholorophyll content, relative water content and chlorophyll stability index were get increased in the tolerant greengram genotypes COGG 1332, VGG 15029, VGG 16069, VGG 17003 and VGG 17004 which could be potential donors in breeding programmes to develop the drought and high temperature tolerant greengram, suitable for the changing environment.
Pages: 647-650  |  526 Views  226 Downloads


The Pharma Innovation Journal
How to cite this article:
M Jincy, P Jeyakumar, P Boominathan, N Manivannan, S Varanavasiappan, V Babu Rajendraprasad. Effect of drought and high temperature stress on greengram (<em>Vigna radiata</em> (L.) Wilczek) at vegetative stage. Pharma Innovation 2019;8(5):647-650.

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