Scientific Publication

Survey and Digital Mapping of Rice Root-Knot Nematode Incidence in Karnataka, India

author(s) Ravindra H.1 - * - Sehgal Mukesh2 - Kumar M. Dinesh1 - Manu T.G.1 - Murali R.1 - Narasimhamurthy H.B.1 - Latha M.1
from Indian Council of Agricultural Research (ICAR)
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themes
regions
  • Southern Asia
  • Asia
  • World
citation

Ravindra H.1 et al., 'Survey and Digital Mapping of Rice Root-Knot Nematode Incidence in Karnataka, India', Indian Journal of Nematology, vol. 44(1), 27-31, 2014

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Abstract

A survey was conducted in all the districts of Karnataka to know the incidence of rice root-knot nematode, Meloidogyne graminicola during 2013–14. The survey indicates that, there is incidence of rice root-knot nematode in all the districts. Severe incidence of root-knot nematode was observed with root knot index of 5 in Shimoga and 4 in Chickmagalure, Mandya and Hassan districts. Moderate infection was noticed in districts viz., Davanagere, Dakshina Kannada, Udupi, Uttar Kannada, Mysore, Kodagu and Haveri with root knot index of 3 whereas the Northern districts of Karnataka shows least root-knot index of 1 where the type of soil was black or vertisols

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