2008•Journal of Entomological ResearchRequires access

Efficacy of insecticides against Helicoverpa armigera (Hübner) on tomato in mid hill zone of Himachal Pradesh (India)

Sarika Saini, Desh Raj

Abstract

Studies on the efficacy of four insecticides, viz., Endosulfan (0.05%), lambda cyhalotrin (0.004%), cypermethrin (0.01%) and mixture of Endosulfan + Btk (0.025%+0.05%) against Helicoverpa armigera (Hubner) revealed that cypermethrin was the most effective and gave maximum reduction of borer population (1.75 per three plants) followed by endosulfan, endosulfan + Btk and Lambda cyhalothrin.

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Key concepts: Helicoverpa armigera, Endosulfan, Cypermethrin, Cyhalothrin, Toxicology, Forensic science, Veterinary medicine, Population