Morpho-physiological and biochemical attributes as tools to screen tolerance and susceptible rice cultivars for drought stress

Present research work was aimed to observe possible changes in the metabolism of rice plants (Oryza sativa L.) through drought stress. Rice belongs family Poaceae. It is considered as a vital food crop across all major countries worldwide. prone be affected by Therefore, developing tolerant cultivars cereal crops assumed considerable importance. This carried out with an objective study Screening against water stress and compare biochemical characteristic among different sensitive cultivars. A set 25 were screened at vegetative stage various morpho-physiological characters such moisture, relative content (RWC), membrane stability index(MSI), injury(MI), seedling length weight. The RWC best criterion for plant status. osmotic adjustment influential mechanism conserving cellular hydration under expression also affects this respect. Thus, it can that higher having cv. GAR-13 NWGR-16026 lower NWGR-16009 NWGR-16019 susceptible. Hence, & used On basis first experiment total four (Two GAR-13, two susceptible NWGR-16019) selected analysis. results indicated soluble sugars (TSS), glycine betaine ascorbic acid found significantly cultivar NWGR-16026. proline GAR-13. So, some parameters are indicators selection regarded potentially useful targets development transgenic approaches.