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Relative Toxicity of Some Conventional Insecticides Against Adult Beetles of Calopepla leayana Latr. (Chrysomelidae : Coleoptera)


     

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Twenty two conventional insecticides were tested as direct spray against adult beetles of Calopepla leayana. This is a serious pest of Gmelina arborea plantations and occurs all along the tract of its host plant. The relative effectiveness of these insecticides was in order of Formothion> Monocrotophos> Quinalphos> Chlordimeform> gamma-BHC> Malathion + Fenitrothion > Toxaphene> Malathion> Dichlorvos (Nuvan) > Pyrethrum> Klofos > Endosulfan > Bromophos-ethyl > Fenitrothion > Dieldrin> D.D.T. > Aldrin> Chlordane> Dichlorvos (DDVP)> Methyl parathion.
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B. K. Gupta

S. I. Ahmed

Vijay Veer


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  • Relative Toxicity of Some Conventional Insecticides Against Adult Beetles of Calopepla leayana Latr. (Chrysomelidae : Coleoptera)

Abstract Views: 259  |  PDF Views: 1

Authors

Abstract


Twenty two conventional insecticides were tested as direct spray against adult beetles of Calopepla leayana. This is a serious pest of Gmelina arborea plantations and occurs all along the tract of its host plant. The relative effectiveness of these insecticides was in order of Formothion> Monocrotophos> Quinalphos> Chlordimeform> gamma-BHC> Malathion + Fenitrothion > Toxaphene> Malathion> Dichlorvos (Nuvan) > Pyrethrum> Klofos > Endosulfan > Bromophos-ethyl > Fenitrothion > Dieldrin> D.D.T. > Aldrin> Chlordane> Dichlorvos (DDVP)> Methyl parathion.