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Hydrogen Sulfide and Silicon Together Alleviate Chromium (VI) Toxicity by Modulating Morpho-Physiological and Key Antioxidant Defense Systems in Chickpea (Cicer arietinum L.) Varieties

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Title Hydrogen Sulfide and Silicon Together Alleviate Chromium (VI) Toxicity by Modulating Morpho-Physiological and Key Antioxidant Defense Systems in Chickpea (Cicer arietinum L.) Varieties
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Creator Deepti Singh
Chandan Kumar Singh
Manzer H. Siddiqui
Saud Alamri
Susheel Kumar Sarkar
Abhishek Rathore
Saroj Kumar Prasad
Dharmendra Singh
Nathi Lal Sharma
Hazem M. Kalaji
Adam Brysiewicz
 
Subject Chromium (VI)
Chickpea
 
Description Not Available
Extensive use of chromium (Cr) in anthropogenic activities leads to Cr toxicity in plants causing serious threat to the environment. Cr toxicity impairs plant growth, development, and metabolism. In the present study, we explored the effect of NaHS [a hydrogen sulfide; (H2S), donor] and silicon (Si), alone or in combination, on two chickpea (Cicer arietinum) varieties (Pusa 2085 and Pusa Green 112), in pot conditions under Cr stress. Cr stress increased accumulation of Cr reduction of the plasma membrane (PM) H+-ATPase activity and decreased in photosynthetic pigments, essential minerals, relative water contents (RWC), and enzymatic and non-enzymatic antioxidants in both the varieties. Exogenous application of NaHS and Si on plants exposed to Cr stress mitigated the effect of Cr and enhanced the physiological and biochemical parameters by reducing Cr accumulation and oxidative stress in roots and leaves. The interactive effects of NaHS and Si showed a highly significant and positive correlation with PM H+-ATPase activity, photosynthetic pigments, essential minerals, RWC, proline content, and enzymatic antioxidant activities (catalase, peroxidase, ascorbate peroxidase, dehydroascorbate reductase, superoxide dismutase, and monodehydroascorbate reductase). A similar trend was observed for non-enzymatic antioxidant activities (ascorbic acid, glutathione, oxidized glutathione, and dehydroascorbic acid level) in leaves while oxidative damage in roots and leaves showed a negative correlation. Exogenous application of NaHS + Si could enhance Cr stress tolerance in chickpea and field studies are warranted for assessing crop yield under Cr-affected area.
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Date 2022-07-28T10:40:44Z
2022-07-28T10:40:44Z
2022-07-22
 
Type Research Paper
 
Identifier Singh D, Singh CK, Siddiqui MH, Alamri S, Sarkar SK, Rathore A, Prasad SK, Singh D, Sharma NL, Kalaji HM and Brysiewicz A (2022) Hydrogen Sulfide and Silicon Together Alleviate Chromium (VI) Toxicity by Modulating Morpho-Physiological and Key Antioxidant Defense Systems in Chickpea (Cicer arietinum L.) Varieties. Front. Plant Sci. 13:963394. doi: 10.3389/fpls.2022.963394
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http://krishi.icar.gov.in/jspui/handle/123456789/73666
 
Language English
 
Relation Not Available;
 
Publisher Frontiers in Plant Science