International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:7, July, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(7): 2975-2986

Biochemical Response of Mungbean [Vigna radiata (L.) Wilczek] Genotypes under Terminal Heat Stress at Reproductive Stage
G. Chand1*, A. S. Nandwal2, S. Dogra1 and M. Sharma1
1Division of Plant Physiology FBSc SKUAST Jammu
2Department of Botany and Plant Physiology, CCS Haryana Agricultural University, Hisar-125004, Haryana, India
*Corresponding author

The investigation was conducted on three mungbean [Vigna radiata (L.) Wilczek] genotypes namely MH-421, MH-318 and Basanti genotypes to study their biochemical, and yield response in relation to terminal heat stress tolerance. The plants were raised in earthen pots (30 cm diameter) filled with 5.5 kg of dune sand (Typic Torrispamments) under screen house conditions. High temperature stress was given by manipulation of sowing dates i.e. normal sown (12th March, 2013) and late sown (29th March, 2013). The sampling was done at 3 and 7 days after exposure (DAE) to > 35oC temperature and the control readings were taken at the temperature below <35oC at reproductive stage. High temperature resulted in decreased water potential relative water content, relative stress injury and yield but increase in proline content, total soluble carbohydrates and lipid peroxidation Sensitive genotypes showed large reductions in aforementioned physiological traits. On the other hand, tolerant genotype (MH 421) maintained higher proline, total soluble content, relative stress injury and yield. After 7 days of exposure to high temperature under late sown, above parameters and yield losses in most sensitive genotypes MH 318 and Basanti.

Keywords: Mungbean, Relative water content, Proline, Yield, Total soluble carbohydrates

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How to cite this article:

Chand, G., A. S. Nandwal, S. Dogra and Sharma, M. 2020. Biochemical Response of Mungbean [Vigna radiata (L.) Wilczek] Genotypes under Terminal Heat Stress at Reproductive Stage.Int.J.Curr.Microbiol.App.Sci. 9(7): 2975-2986. doi:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.