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1999•The Korean Journal of Pesticide ScienceRequires access

Effect of Paecilomyces fumosoroseus SFP-198 on greenhouse whitefly, Trialeurodes vaporariorum in greenhouse

Hee-Jin Shim, Soon-Kee Kim, Zi-Wen Yang, Yeon-Ho Je, Seok-Kwon Kang

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Abstract

For the control of the greenhouse whitefly, Trialeurodes vaporariorum entomopathogenic fungi were isolated from forest soils and infected insects. We selected three strains, which showed high pathogenicity and named as SFB-582(Beauveria sp.), SFP-198(Paecilomyces fumosoroseus) and SFV-1053(Verticillium sp.) respectively. Particularly, at the concentration of conidia/ml, P. fumosoroseus SFP-198 had the highest pathogenicity, in laboratory. In glasshouse application, SFP-198 showed high protective values() regardless of developmental stages, which were similar with that of Verticillium lecanii F-903 already reported. Four kinds of formulations of entomopathogenic fungi were developed, formulation with surfactant Silwet L-77 gave best control of greenhouse whitefly(over 90%). These results suggest that P. fumosoroseus SFP-198 is a promising candidate as a microbial pesticide for the control of T. vaporariorum.

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What this paper is about

For the control of the greenhouse whitefly, Trialeurodes vaporariorum entomopathogenic fungi were isolated from forest soils and infected insects. We selected three strains, which showed high pathogenicity and named as SFB-582(Beauveria sp.), SFP-198(Paecilomyces fumosoroseus) and SFV-1053(Verticillium sp.) respectively. Particularly, at the concentration of conidia/ml, P. fumosoroseus SFP-198 had the highest pathogenicity, in laboratory. In glasshouse application, SFP-198 showed high protective values() regardless of developmental stages, which were similar with that of Verticillium lecanii F-903 already reported. Four kinds of formulations of entomopathogenic fungi were developed, formulation with surfactant Silwet L-77 gave best control of greenhouse whitefly(over 90%). These results suggest that P. fumosoroseus SFP-198 is a promising candidate as a microbial pesticide for the control of T. vaporariorum.

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Available abstract

For the control of the greenhouse whitefly, Trialeurodes vaporariorum entomopathogenic fungi were isolated from forest soils and infected insects. We selected three strains, which showed high pathogenicity and named as SFB-582(Beauveria sp.), SFP-198(Paecilomyces fumosoroseus) and SFV-1053(Verticillium sp.) respectively. Particularly, at the concentration of conidia/ml, P. fumosoroseus SFP-198 had the highest pathogenicity, in laboratory. In glasshouse application, SFP-198 showed high protective values() regardless of developmental stages, which were similar with that of Verticillium lecanii F-903 already reported. Four kinds of formulations of entomopathogenic fungi were developed, formulation with surfactant Silwet L-77 gave best control of greenhouse whitefly(over 90%). These results suggest that P. fumosoroseus SFP-198 is a promising candidate as a microbial pesticide for the control of T. vaporariorum.

Key concepts: Trialeurodes, Paecilomyces, Greenhouse whitefly, Biology, Beauveria bassiana, Whitefly, Biological pest control, Verticillium

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