Field experiments were conducted to evaluate the efficacy of plant products, vi.. Achook (0.5%. 1%, 1.5%), neem oil (1%, 3%, 5%), neem cake extract (1%, 3%, 5%), tobacco leaf extract (1%, 3%, 5%) along with an insecticide monocrotophos (0.05%) against the chilli thrips, Scintathrips dorsalis during January '96 - April '96 and August '96 November '96 at the Annamalai University Fann. Results revealed that all treatments were found significantly superior to untreated check. However, monocrotophos (0.05%) was the most effective treatment. Among the plant products tested Achook (1.5%) was the most effective treatment. Among the plant products tested Achook (1.5%) significantly reduced the thrips population, it was followed by neem oil (5%, 3%) and neemn cake extract was the least effective one in reducing thrips population.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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