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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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Original Research Articles

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 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(10): 1782-1791
DOI: https://doi.org/10.20546/ijcmas.2019.810.207


Roving Survey for Root-Knot Nematode in Major Sweet Potato Growing Districts of Karnataka, India
Amaresh1, V. Kantharaju1, S. Amruta Bhat1, K. Ramachandra Naik1 and Y. S. Mahesh2
1K. R. C. College of Horticulture, Arabhavi- 591218, Karnataka, India
2College of Horticulture, Bagalkot- 587104, Karnataka, India
*Corresponding author
Abstract:

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.


Keywords: Social, economic, Drying, Galling, Rotting, Explorers, traders
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How to cite this article:

Amaresh, H., V. Kantharaju, S. Amruta Bhat, K. Ramachandra Naik and Mahesh, Y. S. 2019. Roving Survey for Root-Knot Nematode in Major Sweet Potato Growing Districts of Karnataka, India.Int.J.Curr.Microbiol.App.Sci. 8(10): 1782-1791. doi: https://doi.org/10.20546/ijcmas.2019.810.207