Biochemical, physiological and molecular evaluation of rice cultivars differing in salt tolerance at the seedling stage.

ABSTRACT: Changes in the antioxidant enzymes, lipid peroxidation, sodium and potassium, chlorophyll, H₂O₂ and proline content were monitored in the leaves of 42 rice varieties which were not yet well-documented for the salinity tolerance under different salinity levels. The tolerant varieties (FL478, Hassani, Shahpasand, Gharib and Nemat) showed signs of tolerance (lower Na⁺/K⁺ ratio, high proline accumulation, less membrane damage, lower H₂O₂ production, and higher superoxide dismutase and catalase activity) very well. The positive relationship between the level of salt tolerance and the amount of proline accumulation in the rice varieties support the important role of proline under the salt stress. The varieties were genotyped for 1

SUBMITTER: Kordrostami M 

PROVIDER: S-EPMC5567701 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature