Work

Biochemical Response of Mungbean [Vigna radiata (L.) Wilczek] Genotypes under Terminal Heat Stress at Reproductive Stage

Year: 2020

Type: article

Abstract: 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.

Source: International Journal of Current Microbiology and Applied Sciences

DOI: 10.20546/ijcmas.2020.907.351

Authors: G. Chand, A. S. Nandwal, S. Dogra, M. Sharma

Institutions: Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, Chaudhary Charan Singh Haryana Agricultural University

Language: English

Topic: Plant Stress Responses and Tolerance

Subfield: Plant Science

Field: Agricultural and Biological Sciences

Domain: Life Sciences

SDG: Zero hunger

Open Access status: diamond

OpenAlex ID: W3083085754