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Ketoksikan Lima Racun Serangga terhadap Larva Kupu-kupu Beras, Corcyra cephalonica St.


Citation

Osman, Noorma and Fong, Au Wai (1988) Ketoksikan Lima Racun Serangga terhadap Larva Kupu-kupu Beras, Corcyra cephalonica St. Pertanika, 11 (2). pp. 195-201.

Abstract / Synopsis

The effects of five insecticides namely chlorpyrifos, dichlorvos, malathion, permethrin and pirimiphos- methyl was tested in vitro on the six larval instars of Corcyra cephalonica St. Based on the LCs 0 values, the order of susceptibility of the different larval instars was 2>1>3>4>5>6while for dichlorvos it was 1>2>3>4>5> 6. The order for malathion, permethrin and pirimiphos-methyl was 1>2>3>4> 6>5. The order of relative toxicity of the five insecticides was dichlorvos >chlorpyrifos >permethrin >pirimiphos-methyl >malathion for the second to the fifth instar, while for the first and sixth instar it was dichlorvos >pirimiphos-methyl > malathion for the second to the fifth instar, while for the first and sixth instar it was dichlorvos >pirimiphos-methyl >permethrin >chlorpyrifos > malathion, and dichlorvos > permethrin > chlorpyrifos > pirimiphos-methyl > malathion, respectively. I!.ichlorvos is recommended to replace malathion for the control of certain species of stored preduct pests.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Agriculture
Keywords: Corcyra cephalonica; kupu-kupu beras; klorpirifos; diklorvos, malathion; permethrin; pirimifos- metil.
Depositing User: Nur Izyan Mohd Zaki
Date Deposited: 16 Nov 2009 15:02
Last Modified: 27 May 2013 15:02
URI: http://psasir.upm.edu.my/id/eprint/2621
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