Survey and identification of root-knot nematodes in selected vegetable crops in telangana

A survey was conducted over a period of one year to estimate the occurrence of root-knot nematode disease on vegetable crops in six selected villages of Sangareddy district of Telangana. This survey indicates that vegetable crops grown in the selected localities were heavily infested with root-knot nematodes. Highest frequency of disease occurrence in which almost all the roots have knot-like appearance was reported and also soil sampling revealed that crop showed the significant presence of Meloidogyne species as a pathogen identified in the vegetable crops. In all the cropping regions, prominent disease symptoms were developed as gall formation in the root region and poor plant growth resulting major crop yield loss to the farmers.