Screening of Some Local Upland Rice Cultivarsagainst Major Insect Pests of Rice in Nagaland

摘要

The present investigation entitled “Screening of somelocal upland rice cultivars against major insect pestsof rice in Nagaland” was carried out 2018. Twenty ricecultivars were screened against gundhi bug, grasshopper and termites infesting rice. The cultivar Khulaghi was found to be better cultivar against gundhibug with percent mean damage of 5.27, Kungreiand Joha against rice grasshopper with percent meandamage of 18.70 and 19.30, Logha and Phamulagainst termites with percent mean damage of 19.05and 19.12 respectively. None of the cultivars wasfound to be free from the infestation of gundhi bug,rice grasshopper and termites.