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Active oxygen species (AOS) can damage cells by mutation of nucleic acids and derivatives, dysfunction of proteins, oxidation of lipids to peroxides that make membranes leaky. Excessive illumination during recovery of submerged rice seedlings may induce an oxidative stress because of abnormal amount of AOS such as hydrogen peroxide (H 2 O 2 ), superoxide and hydroxyl radicals. Though...
In view of the need to increase rice yields in rainfed areas, an experiment was done to (1) determine physiological traits that contribute to tolerance for water deficit at the seedling stage, (2) identify quick but reliable indices for selection for tolerance for water deficit, and (3) characterize rice cultivars popularly used for water-deficit studies in rainfed ecosystems. The study used 27 cultivars,...
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