Author(s):

Koushik Sen, Arka Samanta, SK Fashi Alam, Partha Protim Dhar and Arunava Samanta

Abstract:
Field experiments on new ready mix formulation Ampligo 150 ZC (Chlorantraniliprole 9.3% + Lambda Cyhalothrin 4.6% ZC) against brinjal shoot and fruit borer (Leucinodes orbonalis Guen.) was conducted during pre-kharif seasons of 2014 and 2015. The study revealed that Ampligo 150 ZC @ 35 g a.i./ha was recorded lowest percent of shoot (1.26%) and fruit (2.49%) infestation followed by Ampligo 150 ZC @ 28 g a.i./ha (1.59% shoot and 2.97% fruit infestation) and Chlorantraniliprole 18.5% SC @ 30 g a.i./ha (3.76% shoot and 3.32% fruit infestation), respectively. The highest marketable fruit yield was obtained in the treatment with Ampligo 150 ZC @ 28 and 35 g a.i./ha (143.91-150.88 q/ha). The new mixture formulation, Ampligo 150 ZC @ 28-35 g a.i./ha proved to be significantly superior than other treatments against L. orbonalis. This novel mixture formulation can be effectively utilized in the IPM programme to minimize the infestation of L. orbonalis by reducing the application of highly toxic chemicals in the brinjal ecosystem.

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