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DPPH radical scavenging activity and contents of H<sub>2</sub>O<sub>2,</sub> malondialdehyde and proline in determining salinity tolerance in chickpea seedlings

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Title DPPH radical scavenging activity and contents of H2O2, malondialdehyde and proline in determining salinity tolerance in chickpea seedlings
 
Creator Kaur, Narinder
Kumar, Arvind
Kaur, Kamaljit
Gupta, Anil K
Singh, Inderjit
 
Subject Chickpea
Cicer arietinum L.
DPPH radical scavenging activity
Hydrogen peroxide
Malondialdehyde
Proline
 
Description 407-415
The involvement of 1, 1-diphenyl-2-picrylhydrazyl
(DPPH) radical scavenging activity and contents of H2O2,
malondialdehyde (MDA) and proline was investigated in determining salinity
tolerance among seedlings of thirty chickpea (Cicer arietinum L.) genotypes having different pedigrees. Chickpea
genotypes, including cultivars and advanced lines were grown for 7 days under
control and salt stress (50 mM NaCl) conditions. The genotypes showed
differential response to salt stress in terms of growth, DPPH radical
scavenging activity and contents of H2O2, MDA and proline
in seedlings. On the basis of seedling growth, the genotypes having better
performance under stress conditions had reduced levels of H2O2 and
MDA contents, but increased levels of proline and DPPH radical scavenging
activity. Stress tolerance index for these parameters was also determined.
Agglomerative hierarchal clustering by Pearson correlation coefficient grouped
the genotypes into two major clusters — MC I and MC II. MC II and A1-1 sub-cluster
of MC-I comprised mainly of genotypes that showed higher stress resistance
levels for the respective parameters in comparison to genotypes in other sub-clusters.
Thus, it is possible to identify salt-tolerant genotypes on the basis of above
parameters without a field trial.
 
Date 2014-11-12T11:05:26Z
2014-11-12T11:05:26Z
2014-10
 
Type Article
 
Identifier 0975-0959 (Online); 0301-1208 (Print)
http://hdl.handle.net/123456789/29890
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJBB Vol.51(5) [October 2014]