Abstract:
An experiment was conducted at the Sher-e-Bangia Agricultural University,
Bangladesh during December 2005 to May 2006 to evaluate one organophosphate. one
carbamate and two synthetic pyrethroid insecticides for their effectiveness to control
brinjal shoot and fruit borer (Leucinodes orbonalis Guenee). The study comprising five
treatments including a control and laid out in a Randomized Complete Block Design
(ReBD). Among the treatments, T, (marshal 20EC applied at 28 days after
transplanting and applied at 7 days interval) performed best in terms of reduction of
shoot and fruit infestation, on the other hand it increased fruit yield. It gave 65.18%
reduction in shoot infestation and 95.38% reduction in fruit infestation over control
with the highest yield of24.55 t/ha.