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This document summarizes a study that evaluated the effectiveness of Helicoverpa armigera Nuclear Polyhedrosis virus (HaNPV) in controlling twig caterpillar (Ectropis bhurmitra Wlk). The study was conducted from March to June 2011 at the Tea and Cinchona Research Institute in Bandung, Indonesia. The study found that direct application of HaNPV on twig caterpillar larvae resulted in 70% mortality within 4-10 days, both in the laboratory and greenhouse. Specifically, a concentration of 4 x 102 PIB/ml applied

Author

Manap Trianto

Language

EN