First record on the occurrence of Meloidogyne graminicola on rice in Udham Singh Nagar district of Uttarakhand

The plant parasitic nematodes are posing a serious threat to the cultivation of many field crops including cereals. Amongst them, the rice is also suffering from a variety of nematode infection. Thus, the investigation was planned to assess the prevalence of root knot nematode from the Tarai region of Uttarakhand state, especially in district Udham Singh Nagar. The results showed that root knot nematode, Meloidogyne graminicola, was found from all the samples collected from rice fields of seven different places of the district, which may pose a serious threat to the rice cultivation of the state. This is the first report of such infestation in Udham Singh Nagar district of Uttarakhand.