Himachal Journal of Agricultural Research

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Comparative Analysis of Biochemical Parameters in Response to Stress in Horsegram (Macrotyloma uniflorum L.) Germplasm


Affiliations
1 Department of Agricultural Biotechnology, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India
 

Plants are continuously exposed to number of biotic and abiotic stresses during its life span. Amongst all, drought is one of the major abiotic stresses affecting the agricultural production worldwide. Horsegram (Macrotyoma uniflorum L.) is considered to be drought tolerant legume, which was chosen to compare the various biochemical parameters in response to drought stress. Plants of mapping population consisting of 86 germplasm lines were subjected to wilting under drought stress and compared with the plants of control for various biochemical parameters. The proline content was significantly higher in tolerant lines as compared to sensitive genotypes under drought stress. The maximum variation within the panel was observed for proline contents among all the five biochemical parameters used for estimation. The results suggested that higher levels of proline in horsegram lines could be used for identifying drought tolerant lines for the development of drought tolerant and high yielding varieties.

Keywords

Macrotyloma uniflorum L., Proline, MDA, Chlorophyll A, Chlorophyll B, Carotenoids, Drought Stress.
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  • Comparative Analysis of Biochemical Parameters in Response to Stress in Horsegram (Macrotyloma uniflorum L.) Germplasm

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Authors

Ankita Sharma
Department of Agricultural Biotechnology, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India
Rakesh Kumar Chahota
Department of Agricultural Biotechnology, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur-176 062, India

Abstract


Plants are continuously exposed to number of biotic and abiotic stresses during its life span. Amongst all, drought is one of the major abiotic stresses affecting the agricultural production worldwide. Horsegram (Macrotyoma uniflorum L.) is considered to be drought tolerant legume, which was chosen to compare the various biochemical parameters in response to drought stress. Plants of mapping population consisting of 86 germplasm lines were subjected to wilting under drought stress and compared with the plants of control for various biochemical parameters. The proline content was significantly higher in tolerant lines as compared to sensitive genotypes under drought stress. The maximum variation within the panel was observed for proline contents among all the five biochemical parameters used for estimation. The results suggested that higher levels of proline in horsegram lines could be used for identifying drought tolerant lines for the development of drought tolerant and high yielding varieties.

Keywords


Macrotyloma uniflorum L., Proline, MDA, Chlorophyll A, Chlorophyll B, Carotenoids, Drought Stress.

References