Department of Entomology, College of agriculture, Indira Gandhi Krishi Vishwavidyalaya, Raipur-492012, Chhattisgarh, India
*Email: gchandrakarigkv@gmail.com
Online published on 23 December, 2016.
Field experiment was conducted at research farm of Indira Gandhi Krishi Vishwavidyalaya, Raipurduring kharif season 2011. Buprofezin + Acephate @ 1000 gm ha−1 proved best among all the tested newer insecticide formulations to reduced dead heart percentage, white ear head percentage and recorded more yield. While among the treated splits, Acephate @ 592 gm ha−1, Monocrown @ 1390 ml ha−1 and Buprofezin@ 800 gm ha−1showed significantly the highest infestation percent dead hearts, white heads and recorded least yield, respectively. More infestation percent decreased over the Control was recorded from the Buprofezin + Acephate @ 1000 gm ha−1 while, less infestation percent over the Control was recorded from the Acephate @ 592 gm ha−1and Monocrown @ 1390 ml ha−1, respectively for dead heart percent and white head percent. In case of both Dead Heart percentage and White Head percentage all the newer insecticide formulations were significant over Control.
Rice Stem Borer, Dead Heart, White Earhead, Buprofezin, Acephate