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Journal of Environmental BiologypISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP |
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Abstract - Issue Jul 2010, 31 (4) BackBioefficacy of
insecticides against Leucinodes orbonalis on brinjal Anil and Department
of Entomology, CSK (Received: Abstract: Studies on bioefficacy
of insecticides against brinjal shoot and fruit
borer, Leucinodes orbonalis
Guenee on brinjal were
carried out during 2007 and 2008. The results on bioefficacy
of insecticides showed that in terms of shoot infestation, emamectin
benzoate (0.002%), endosulfan (0.05%), novaluron (0.01%) and lambda-cyhalothrin
(0.004%) were found superior. The total number of drooping shoots was minimum
(4.17) in emamectin benzoate followed by endosulfan (6.83) and novaluron
(7.00), as compared to spinosad (9.17), deltamethrin (11.67) and Bacillus thuringiensis
(13.17). In terms of reduction in fruit infestation, emamectin
benzoate (0.002%) was highly effective followed by endosulfan
(0.05%), agrospray oil T (0.2%) and spinosad (0.0024%). However, cost benefit ratio was highest
in agrospray oil T (0.2%) followed by lambda-cyhalothrin (0.004%), endosulfan
(0.05%) and deltamethrin (0.0028%). Key
words: Bioefficacy,
Insecticides, Leucinodes orbonalis,
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