期刊
BIOCONTROL SCIENCE AND TECHNOLOGY
卷 19, 期 5-6, 页码 485-498出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/09583150902847127
关键词
Eurygaster integriceps; Beauveria bassiana; glutathione S-transferase; esterase; organophosphorus insecticide
资金
- University of Tehran
The effects of Beauveria bassiana spores and its secondary metabolite on insect resistance to an organophosphorus insecticide, fenitrothione and secondary metabolite effects on acetylcholine esterase inhibition were investigated. Findings showed that fungal spores and its secondary metabolite increase total esterase and glutathione S-transferase activities in the hemolymph of infected and treated adults of Eurygaster integriceps. But the fungal secondary metabolite had an adverse effect on AChE activity of adults that decreased its activity level and isoforms of this enzyme in polyacrylamide gel electrophoresis. Fungal infection decreased the susceptibility of E. integriceps adults to fenitrothione, in comparison with uninfected individuals. Possible involvement of detoxifying enzymes in the development of insect resistance to fenitrothione should be considered in combined usage of chemical and microbial agents for integrated pest management programs.
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