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Effect of Certain Insecticides in Controlling Pesudodendrothrips mori in Mulberry  

Misra, Sunil (Andhra Pradesh State Sericulture Research and Development Institute)
Reddy, C.Rajagopal (Andhra Pradesh State Sericulture Research and Development Institute)
Sivaprasad, V. (Andhra Pradesh State Sericulture Research and Development Institute)
Reddy, K.Dharma (Acharya NG Ranga Agriculture University (ANGRAU))
Chandrashekhariah (Andhra Pradesh State Sericulture Research and Development Institute)
Publication Information
International Journal of Industrial Entomology and Biomaterials / v.7, no.1, 2003 , pp. 83-86 More about this Journal
Abstract
Mulberry plantations are prone to several kinds of insect pests including the thrips, Pesudodendrothrips mori. The thrips infestation affects the qualitative and quantitative characters of mulberry leaf, which in turn affects the silkworm cocoon crop. In the present study, four commercial insecticides viz., Rogor, Quinalphos, Confidor and Methyl parathion were tested for their efficacy in the control of P. mori thrips. These insecticides were observed to kill 68-80％ within 24 hrs in vivo and 100％ after 12 hrs post-treatment in vitro. Confidor (0.05％) and Quinalphos (0.2％) were most effective in controlling the thrips incidence. The insecticide-sprayed mulberry leaves did not show any adverse effect on the rearing of silkworms.
Keywords
Insecticides; Mulberry; Pesudodendrothrips mori;
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