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Impact of water deficit (salt and drought) stress on physiological, biochemical and yield attributes on wheat (Triticum aestivum) varieties.

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Title Impact of water deficit (salt and drought) stress on physiological, biochemical and yield attributes on wheat (Triticum aestivum) varieties.
 
Creator Kumar A, Surinder Kumar Sharma, Charu Lata, Ritu Devi, Neeraj Kulshrestha, S L Krishnamurthy, Kailash Singh, Rajender Kumar Yadav.
 
Subject rice salinity
 
Description Not Available
This investigation was carried out to assess the combined effect of salt stress and drought on physiological and
biochemical traits in wheat (Triticum aestivum L.) varieties so as to deduce the probable mechanism of stress tolerance
in these varieties. Two salt tolerant (Kharchia 65 and KRL 210) and two salt sensitive (HD 2851 and HD 2009) wheat
varieties were subjected to salt (50 mM and 100 mM NaCl) and drought (25% and 50% water deficit) stresses alone
as well as in combination to study the interactive effects of salt × drought stresses under pot house conditions at
seedling stage. The data recorded on physiological (membrane injury, relative water content, chlorophyll content, Na+,
K+, Cl- and K+/Na+), biochemical (total soluble sugars and proline) and yield (number of tillers, productive tillers,
biomass, and 1000 seed weight) attributes indicated the effect of salt and drought stresses in the studied varieties.
These stresses caused a significant decline in chlorophyll content, K+ content, number of tillers, number of productive
tillers, biomass and yield in sensitive varieties, while the tolerant ones were least affected. The sensitive varieties
HD 2851 and HD 2009 accumulated the highest Na+ and Cl- content, whereas Kharchia 65 (tolerant) accumulated
the lowest amount of these ions. All the varieties, however, showed increased accumulation of compatible solutes
(total soluble sugars and proline) with inclined stress which helped in osmotic adjustment. Consistent and significant
reductions were observed in number of tillers as well as in productive tillers with every successive increase in salt
and drought stresses. Yield in terms of 1000 seed weight followed the trend: 34.51 g in Kharchia 65>28.52 g in KRL
210>24.89 g in HD 2009>24.55 g in HD 2851.Not Available
Not Available
 
Date 2019-12-04T04:00:45Z
2019-12-04T04:00:45Z
2017-01-01
 
Type Research Paper
 
Identifier 9. Kumar A, Surinder Kumar Sharma, Charu Lata, Ritu Devi, Neeraj Kulshrestha, S L Krishnamurthy, Kailash Singh, Rajender Kumar Yadav. 2018. Impact of water deficit (salt and drought) stress on physiological, biochemical and yield attributes on wheat (Triticum aestivum) varieties. Indian Journal of Agricultural Sciences, 88 (10): http://epubs.icar.org.in/ejournal/index.php/IJAS/article/view/84255.
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/26800
 
Language English
 
Relation Not Available;
 
Publisher Indian Journal of Agricultural Sciences