Department of Entomology, Chaudhary Sarwan Kumar Himachal Pradesh Krishi Vishvavidyalaya, Palampur - 176 062, Himachal Pradesh, India
*Corresponding author's E-mail: omidmobin1368@gmail.com
Online published on 23 March, 2021.
The present investigation was undertaken to assess the feeding inhibition (FI) with different natural products viz., Brahmastra, Neemastra and Agniastra against the third to sixth instar larvae of H. armigera under laboratory conditions. Based on FI50 values, the order of feeding inhibition of natural products tested against the third, fourth, fifth and sixth instar larvae was observed as: Brahmastra (2.92, 3.80, 4.20, 6.61%) > Agniastra (3.72, 4.55, 5.11, 7.76%) > Neemastra (3.46, 4.46, 5.28, 7.01%), respectively.
Agniastra, Brahmastra, Helicoverpa armigera, Feeding inhibition, Neemastra