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Response of rice to salinity risk- from a physiological outlook to laboratory focussed experimental approach
Cereal Research Communications ( IF 1.6 ) Pub Date : 2022-07-20 , DOI: 10.1007/s42976-022-00291-0
N. Kruthika , M. N. Jithesh

Salinity is one of the major environmental constraint that restricts crop growth and yield. Rice (Oryza sativa L.), one of the major staple crops, consumed by more than half of the world's population is regarded to be salt sensitive. Salt stress in plants occurs in two phases over time, i.e. osmotic and ionic phase. The application of salt stress also plays an important role in deciding whether the crop is responding to salt stress or salt shock. Further, the response to salinity stress is specific to the crop developmental stage. Hence an experimental approach that takes into account these factors (1) delineating the two phases (2) salt stress vs salt shock and (3) developmental stage is crucial in exploring salt determinants in rice. The review presented here examines the data in these aspects and further, provides various approaches in light of the current understanding. The focus is on the different approaches available to researchers including Petri plate based method, hydroponics and soil based approaches for screening and understanding the plant response to salinity. The review will be helpful for researchers to choose an appropriate experimental procedure for studying tolerance to NaCl stress using rice as a model system in the laboratory.



中文翻译:

水稻对盐度风险的反应——从生理学观点到实验室集中实验方法

盐度是制约作物生长和产量的主要环境制约因素之一。水稻(Oryza sativaL.) 是主要的主要作物之一,被世界上超过一半的人口食用,被认为对盐敏感。随着时间的推移,植物中的盐胁迫分为两个阶段,即渗透阶段和离子阶段。盐胁迫的应用在决定作物是否应对盐胁迫或盐冲击方面也起着重要作用。此外,对盐分胁迫的反应是特定于作物发育阶段的。因此,考虑到这些因素(1)描绘两个阶段(2)盐胁迫与盐休克和(3)发育阶段的实验方法对于探索水稻中的盐分决定因素至关重要。这里介绍的审查检查了这些方面的数据,并进一步根据当前的理解提供了各种方法。重点是研究人员可用的不同方法,包括基于培养皿的方法、水培法和基于土壤的方法,用于筛选和了解植物对盐度的反应。该综述将有助于研究人员在实验室以水稻为模型系统,选择合适的实验程序来研究对 NaCl 胁迫的耐受性。

更新日期:2022-07-22
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