volume 31 issue 1 (march 2011) : 25 - 29
BIOEFFICACY OF CHEMICAL INSECTICIDES AGAINST EARIAS VITTELLA (FABRICIUS) ON OKRA
1Department of Entomology, Junagadh Agricultural University,
Junagadh – 362 001, India.
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Agricultural Science Digest
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volume 31 issue 1 (march 2011) : 25 - 29
BIOEFFICACY OF CHEMICAL INSECTICIDES AGAINST EARIAS VITTELLA (FABRICIUS) ON OKRA
1Department of Entomology, Junagadh Agricultural University,
Junagadh – 362 001, India.
ABSTRACT
A field experiment was conducted to determine the efficacy of eleven chemical treatments against Earias vittella (Fabricius) infesting okra at Junagadh Agricultural University campus, Junagadh during kharif season of 2006. Among tested insecticides, profenophos + cypermethrin (0.044%), chlorpyriphos + cypermethrin (0.055%), cypermethrin 0.006% and profenophos 0.05%, were found to be the most effective in reducing the fruit infestation to 6.47 to 10.52 % against 43.5% in the control. The highest yield of healthy fruits was recorded in the treatment of profenophos + cypermethrin 0.044% (2366.3 kg/ha) followed by chlorpyriphos + cypermethrin 0.055% (2155.4 Kg/ha), cypermethrin 0.006% (2127.1 Kg/ha) and profenophos 0.05% (2103.9 Kg/ha). The highest cost benefit ratio (1: 20.3) was obtained in the treatment of cypermethrin 0.006%, followed by profenophos + cypermethrin (1:11.9), chlorpyriphos (1:10.4), chlorpyriphos + cypermethrin (1:10.2), profenophos (1:8.7), acephate (1:5.1) and methomyl (1:4.1).
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This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this Article
APC
APC cover the cost of turning a manuscript into a published manuscript through peer-review process, editorial work as well as the cost of hosting, distributing, indexing and promoting the manuscript.
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Submit your manuscript through user friendly platform and acquire the maximum impact for your research by publishing with ARCC Journals.
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Published In
Agricultural Science Digest