Abstract                 Volume:3  Issue-11  Year-2016          Original Research Articles

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Effects of Chlorophyll Contents of Greengram Varieties /Lines as Influenced by Root-knot Nematode, Meloidogyne incognita
Ritu Kumari Padey1, D. K. Nayak2* and Rajesh Kumar Kar3
1Final year M.Sc. (Agri.) Nematology Student, Department of Nematology, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Odisha, India
2Associate Professor, Department of Nematology, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Odisha, India
3Final year M.SC (Agri.), Department of Plant Breeding and Genetics, Orissa University of Agriculture and Technology, Bhubaneswar-751 003, Odisha, India
*Corresponding author
Abstract:

A study was undertaken in greengram [Vigna radiata (L.) Wilezek] varieties to assess biochemical changes of resistant and susceptible cultivars due to the root-knot nematode infection. The changes in nutrient profile in plants inoculated with nematodes caused reduction in chlorophyll contents. Chlorophyll ‘a’ was maximum decreased (96.36%) in  resistant check variety 7GGG 10-14 followed by 93.98% in  susceptible check variety 28 PM 10-12 but increasing trend was observed from 7.31 to 28.30% in 24ML-233 and 17 IPM 9901-6 varieties respectively. Chlorophyll ‘b’ was maximum decreased (61.81%) in  susceptible  check variety 29 PUSA-0672 followed by 53.33% in resistant check variety 7GGG 10-14 but increasing trend was observed from 3.031to 76.66% in 24ML-233 and 17 IPM 9901-6 varieties respectively. Total chlorophyll was maximum decreased (54.92%) in  susceptible  check variety 29 PUSA-0672 followed by 32.79% in susceptible check variety 28PM10-12 but increasing trend was observed from 6.031 to 86.27% in 24ML-233 and 17 IPM 9901-6 varieties respectively.

Keywords: Chlorophyll contents,Biochemical changes,Meloidogyne incognita,Vigna radiata
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How to cite this article:

Padey, R. K., Nayak, D. K., Kar, R. K., 2016. Effects of chlorophyll contents of greengram varieties /lines as influenced by root-knot nematode, Meloidogyne incognita.Int.J.Curr.Res.Biosci.Plantbiol. 3(11): 17-22. doi: http://dx.doi.org/10.20546/ijcrbp.2016.311.003