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Bio-efficacy evaluation of nanoformulations of β-Cyfluthrin against Callosobruchus maculatus (Coleoptera: Bruchidae),

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Title Bio-efficacy evaluation of nanoformulations of β-Cyfluthrin against Callosobruchus maculatus (Coleoptera: Bruchidae),
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Creator Kumelachew Mulu Loha,
Najam Akhtar Shakil,
J. Kumar,
Manish K. Singh
Chitra Srivastava
 
Subject β-cyfluthrin, Callosobruchus maculatus, mortality, PEG and EC50.
 
Description Not Available
In the present investigation, bioefficacy of developed β-cyfluthrin formulations, utilizing laboratory synthesized poly(ethylene glycols) based amphiphilic copolymers, were evaluated against Callosobruchus maculatus (Coleoptera: Bruchidae). The bioefficacy data indicated that the formulations developed by utilizing polymers having PEG – 1500 (3c) and PEG – 2000 (3d) as the hydrophilic segment showed greater efficacy after 14 days as evident from EC50 values (2.2 and 1.58 mg L−1 respectively). Also, release from the commercial SC formulation was faster than developed formulations as the commercial formulation had the lowest EC50 value on the first day (0.51 mg L−1). The mean EC50 of the commercial formulation against C. maculatus was quite high as compared to those of developed formulations. The results suggest that depending upon the polymer matrix used, the application rate of β-cyfluthrin can be optimized to achieve insect control at the desired level and period. The results described in this paper are promising and provide a comparison of developed formulations with the commercial one showing an earlier degradation of β-cyfluthrin in the latter and relatively prolonged activity in the former.
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Date 2024-04-22T16:17:01Z
2024-04-22T16:17:01Z
2012-05-04
 
Type Research Paper
 
Identifier Kumelachew Mulu Loha, Najam A. Shakil, Jitendra Kumar, Manish K. Singh & Chitra Srivastava (2012): Bioefficacy evaluation of nanoformulations of β-cyfluthrin against Callosobruchus maculatus (Coleoptera: Bruchidae), Journal of Environmental Science and Health, Part B: Pesticides, Food Contaminants, and Agricultural Wastes, 47:7, 687-691
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http://krishi.icar.gov.in/jspui/handle/123456789/82284
 
Language English
 
Relation Not Available;
 
Publisher Taylor and Francis