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Research Article Open access CC BY 4.0

Efficacy of Various Ready-mix Insecticides against Spodoptera litura (Fab.) in Groundnut

Dudhatra M. C., Bharadiya A. M., Makani J. D., Polara R. D.

Advances in Research · pp. 479–487 · Published 17 Aug 2024

10.9734/air/2024/v25i41127

Abstract

A field experiment was carried out to study the efficacy of various ready-mix insecticides against Spodoptera litura (Fab.) in groundnut at Main Oilseeds Research Station, JAU, Junagadh during Kharif, 2023. Out of the seven ready-mix insecticidal treatments evaluated, chlorantraniliprole 10 + lambda-cyhalothrin 5 ZC 0.006% was found most effective against S. litura after two sprays. It recorded the lowest larval population (0.60 larvae/plant), highest pod and haulm yields (1584 and 3286 kg/ha, respectively), highest yield increase over the untreated control (69.95% for pods and 64.66% for haulms) and the highest net realization (₹ 48178/ha). The treatments of novaluron 5.25 + emamectin benzoate 0.9 SC 0.009% and chlorpyriphos 50 + cypermethrin 5 EC 0.11% were proved next best treatments over untreated control. Among the various ready-mix insecticidal treatments, chlorpyriphos 50 + cypermethrin 5 EC 0.11% exhibited the highest ICBR of 1:14.3, followed by chlorantraniliprole 10 + lambda-cyhalothrin 5 ZC 0.006% (1:11.4). However, the treatments viz., profenofos 40 + cypermethrin 4 EC 0.088% (1:4.4), novaluron 5.25 + indoxacarb 4.5 SC 0.016% (1:4.3) and emamectin benzoate 5 + lufenuron 40 WG 0.009% (1:2.8) exhibited lower ICBR.

Efficacy groundnut S. litura ready-mix insecticides

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