Effect of Nitrogen Levels and Varieties on the Incidence of Leaf Folder and StemBorer of Basmati Rice in Punjab

Since study has been restricted to two insects highlights thereof effect of different varieties and nitrogen levels on the incidence was studied at PAU, Gurdaspur. The highest incidence insectpests of rice leaf folder, Cnaphalocrocis medinalis and stem borer Sripophaga incertulas was recorded from the basmati variety Punjab Bas-2. The incidence of leaf folder and stem borer was increased with an increase in nitrogen level.