Agricultural Reviews

  • Chief EditorPradeep K. Sharma

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Agricultural Reviews, volume 38 issue 4 (december 2017) : 290-296

Rice and its physiological and genetic basis of salt stress tolerance: A review

Bibha Rani, V.K. Sharma
1Dr. Rajendra Prasad Central Agricultural University, Pusa-848 125, Bihar, India.
Cite article:- Rani Bibha, Sharma V.K. (2017). Rice and its physiological and genetic basis of salt stress tolerance: A review. Agricultural Reviews. 38(4): 290-296. doi: 10.18805/ag.R-1757.
 Climate change is causing negative impact on the rice production which is a staple food worldwide. Among cereal crops, rice is the most sensitive crop plant for salt stress. The distribution of salt-affected lands is closely related to environmental factors in particularly arid and semi-arid climates. High soil salinity is the main cause of reduction of growth and crop productivity. It is widely believed that the inhibitory effects of salt stress on plant growth are due to salt-induced osmotic stress, specific ion toxicity (Na+ and Cl- are main toxic ions), nutritional imbalance, oxidative stress and hormonal imbalance in a variety of plants, managed by independent genes at different growth stages. SalTol is a major quantitative trait locus (QTL) and was identified in the salt-tolerant cultivar Pokkali. Its location was detected on chromosome 1. Molecular analysis on the basis of physiological responses due to salt stress has led to identification of large number of genes induced by salt. This review will focus on salt stress environment which affect adversely to rice crop and its physiological and its related polygenic responses.
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