National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692 Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Yellow vein mosaic virus (YVMV), the most destructive viral disease of okra, has become a limiting factor in the successful cultivation of this crop. One of the major limiting factors of okra is the incidence of YVMV, its vector being whitefly. Infection of 100% plants in a field is very common and yield losses range from 50 to 94% depending on the stage of crop growth at which infection occurs. Emphasis is needed on breeding to develop yellow vein mosaic virus resistant variety. This study was undertaken to find out the potential source of resistance of okra to yellow vein mosaic virus under natural epiphytic condition. The experiment was conducted with ten genotypes/cultivars at Main Vegetable Research Station and Department of Biochemistry, B.A. College of Agriculture, Anand Agricultural University, Anand. Out of ten genotypes/cultivars GAO-5 was registered with the higher of peroxidase and polyphenol oxidase activities and minimum number of whitefly population at 35 and 60 days after germination (DAS) as compared to rest of all genotypes. Variation in total protein banding pattern was also obtained between resistant and susceptible genotypes. The number of bands was observed higher in resistant genotypes as compare to susceptible genotypes.
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