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 |
Sweet potato, Ipomoea batatas (L.) Lam., is a dicotyledous plant that belongs to the family Convolvulaceae. A number of plant parasitic nematodes have been reported to be associated with sweet potato in India and among the species identified, Meloidogyne incognita is one of the economically important nematode which makes the way for the secondary infection by different pathogens like Pythium, Fusarium and Ralstonia in the soil. A roving survey was conducted for incidence of root-knot nematode in sweet potato during kharif season in 2018-2019 at Bidar, Bagalkot, Vijayapura, Belagavi, Dharwad and Chikkamagaluru districts of Karnataka. Survey conducted in eight taluks comprising of 38 fields, the major symptoms recorded during survey are having root galls, yellowing, marginal and tip drying of leaves and galling and rotting of roots. The results revealed that highest root-gall index was recorded in Belagavi followed by Dharwad, Bagalkot, Bidar, Mudigere districts. The lowest incidence was observed in Vijayapura.
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