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Glycine betaine modulates chromium (VI)‐induced morpho‐physiological and biochemical responses to mitigate chromium toxicity in chickpea (Cicer arietinum L.) cultivars

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Title Glycine betaine modulates chromium (VI)‐induced morpho‐physiological and biochemical responses to mitigate chromium toxicity in chickpea (Cicer arietinum L.) cultivars
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Creator Deepti Singh
Chandan Kumar Singh
Dharmendra Kumar Singh
Susheel Kumar Sarkar
Saroj Kumar Prasad
Nathi Lal Prasad
Ishwar Singh
 
Subject Glycine betaine
Chickpea
Chromium (VI)
 
Description Not Available
Chromium (Cr) accumulation in crops reduces yield. Here, we grew two chickpea cultivars, Pusa 2085
(Cr-tolerant) and Pusa Green 112 (Cr-sensitive), in hydroponic and pot conditions under diferent Cr
treatments: 0 and 120 µM Cr and 120 µM Cr + 100 mM glycine betaine (GB). For plants grown in the
hydroponic media, we evaluated root morphological attributes and plasma membrane integrity via
Evans blue uptake. We also estimated H+
-ATPase activity in the roots and leaves of both cultivars.
Plants in pots under conditions similar to those of the hydroponic setup were used to measure
growth traits, oxidative stress, chlorophyll contents, enzymatic activities, proline levels, and nutrient
elements at the seedling stage. Traits such as Cr uptake in diferent plant parts after 42 days and grain
yield after 140 days of growth were also evaluated. In both cultivars, plant growth traits, chlorophyll
contents, enzymatic activities, nutrient contents, and grain yield were signifcantly reduced under
Cr stress, whereas oxidative stress and proline levels were increased compared to the control levels.
Further, Cr uptake was remarkably decreased in the roots and leaves of Cr-tolerant than in Cr-sensitive
cultivars. Application of GB led to improved root growth and morpho-physiological attributes and
reduced oxidative stress along with reduced loss in plasma membrane integrity and subsequently
increase in H+-ATPase activity. An increment in these parameters shows that the exogenous
application of GB improves the Cr stress tolerance in chickpea plants.
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Date 2022-05-25T06:06:20Z
2022-05-25T06:06:20Z
2022-05-14
 
Type Research Paper
 
Identifier Singh, D., Singh, C.K., Singh, D. et al.(2022). Glycine betaine modulates chromium (VI)-induced morpho-physiological and biochemical responses to mitigate chromium toxicity in chickpea (Cicer arietinum L.) cultivars. Sci Rep 12, 8005 . https://doi.org/10.1038/s41598-022-11869-3
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http://krishi.icar.gov.in/jspui/handle/123456789/72378
 
Language English
 
Relation Not Available;