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POTENTIAL AND ROLE OF HALOPHYTE CROPS IN SALINE ENVIRONMENTS

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Title POTENTIAL AND ROLE OF HALOPHYTE CROPS IN SALINE ENVIRONMENTS
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Creator ASHWANI KUMAR, ANITA MANN, ARVIND KUMAR, SARITA DEVI and PRABODH CHANDER SHARMA
 
Subject Halophytes, Salinity
 
Description Not Available
Salinity is one of the major abiotic stresses that hinder the performance of the crop plants. Besides osmotic stress, the toxic components of salinity, that is, Na+ and Cl− ions interfere with the normal physiological
processes resulting in significantly reduced yields. Many research groups across the world are vigorously promoting halophytic plants as potential candidates for the productivity enhancements of salt-affected
lands. Halophytes constitute only about 1% of the world’s flora, but are characterized to survive in environments having salt concentration as high as 200 mM NaCl. Halophytes have evolved a number of adaptive traits which include ion compartmentalization, osmotic adjustment, succulence, selective transport and uptake of ions, enzymatic and nonenzymatic antioxidant response, maintenance of redox and energy
status, salt inclusion/excretion, and genetic regulation. Besides, they are also being increasingly viewed as potential sources of novel salt tolerant genes/transcripts for use in the genetic improvement. Many such genes
isolated from the halophytic species have been introgressed in model plants to test their efficacy in enhancing the salt tolerance. The elucidation of mechanisms and gene transfer from halophytes to glycophytes or vice
versa is an important field to work on to develop designer crops for the challenging environments to which agriculture will be increasingly exposed in future.
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Date 2019-10-16T09:20:10Z
2019-10-16T09:20:10Z
2018-11-01
 
Type Book chapter
 
Identifier Not Available
9781771886765
http://krishi.icar.gov.in/jspui/handle/123456789/23470
 
Language English
 
Relation Not Available;
 
Publisher Not Available