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Biochemical Changes in Susceptible and Resistant Black Gram Cultivars Induced by Root-Knot Nematode, Meloidogyne incognita


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1 Department of Nematology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India
     

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Biochemical changes in black gram varieties inoculated with root-knot nematode, Meloidogyne incognita were investigated. Observations were recorded in the biochemical modifications relating to various parameters like total chlorophyll , total sugar contents, protein, and proline content during post infection periods. The variation in total chlorophyll, total protein, proline and total sugar content in six cultivars i.e PU 09-36(S), MU-44(S) ,VBG 11-031(R) ,VBG 11-016(R) ,KUG- 715 (R)and NUL- 205(R) were studied 45 days after inoculation . Reduced percentage of total chlorophyll contents were observed in inoculated samples than the healthy counterparts. However, an increase in amount of total protein ,proline and total sugar contents was observed in the diseased tissues.


Keywords

Black Gram, Biochemical Modifications, Meloidogyne incognita.
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  • Biochemical Changes in Susceptible and Resistant Black Gram Cultivars Induced by Root-Knot Nematode, Meloidogyne incognita

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Authors

Ritu Kumari Pandey
Department of Nematology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India
D. K. Nayak
Department of Nematology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India
Robert Lepcha
Department of Nematology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India
Rajesh Kumar Kar
Department of Nematology, College of Agriculture, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Orissa, India

Abstract


Biochemical changes in black gram varieties inoculated with root-knot nematode, Meloidogyne incognita were investigated. Observations were recorded in the biochemical modifications relating to various parameters like total chlorophyll , total sugar contents, protein, and proline content during post infection periods. The variation in total chlorophyll, total protein, proline and total sugar content in six cultivars i.e PU 09-36(S), MU-44(S) ,VBG 11-031(R) ,VBG 11-016(R) ,KUG- 715 (R)and NUL- 205(R) were studied 45 days after inoculation . Reduced percentage of total chlorophyll contents were observed in inoculated samples than the healthy counterparts. However, an increase in amount of total protein ,proline and total sugar contents was observed in the diseased tissues.


Keywords


Black Gram, Biochemical Modifications, Meloidogyne incognita.