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Efficacy of new insecticide molecules against leaf eating caterpillar, Diaphania indica in bitter gourd

Janani Maha, Usha Rani B., Suresh K.

Abstract


Field experiment was conducted to evaluate the efficacy of seven new insecticides against leaf eating caterpillar, Diaphania indica in bitter gourd, being maintained by farmer field in Thuyyaneri, Madurai district, Tamil Nadu. It revealed that Chlorantraniliprole @ 150ml/ ha was most effective, followed by Chlorantraniliprole 18.5 SC 125 ml/ha, spinosad 45 % SC 160 ml/ha, Thiodicarb 75 %WP 750 g/ha, and Imidacloprid 17.8 SL 250 ml/ha, were moderately effective. While Dichlorovos 76 %EC 325 ml/ha and spiromesifen 22.9 SC 500 ml/ha, were least effective against bitter gourd leaf eating caterpillar.

Keywords


Bitter gourd, Diaphania indica, insecticides, field efficacy



DOI: https://doi.org/10.21746/aps.2018.8.3.3

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