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Research Article Open access CC BY 4.0

Comparative Studies among Different Genotypes of Soybean (Glycine max L.) against Salinity Stress

S. A. Siddiki, S. G. Wagh, R. S. Sul, K. R. Pawar, S. N. Harke

Current Journal of Applied Science and Technology · pp. 91–100 · Published 18 Apr 2020

10.9734/cjast/2020/v39i630563

Abstract

Soybean (Glycine max L.) is a significant legume of food and plays a vital role in human livelihood. It is rich in proteins (40%), which contain major essential amino acids, and edible oil (20%). Salinity stress affects soybean yield 30-80%. Salinity stress significantly reduces net photosynthetic rates, increases energy losses for the mechanism of salt exclusion, substantially decreases nutrient intake and ultimately results in reduced plant growth. Present investigation was conducted to show how morphological and biochemical changes occur due to the stress of salinity on the soybean plant genotypes. Stress with salinity resulted in increased protein and proline content to withstand stress with salinity. Better root length, shoot length fresh weight and dry weight were observed of JS-355 variety. The JS-355 variety demonstrated the better response to all concentrations of salt stress used from 40 mM to 280 mM. As the salt concentration increases, so does the protein and proline concentration. The JS-355 variety showed the better results at all salt concentrations. The highest protein and proline content at high salt concentration was observed in varietyJS-355.

Salinity soybean germination proline protein salicylic acid.

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