Laboratory and Greenhouse Evaluation of a Granular Formulation of Beauveria bassiana for Control of Western Flower Thrips, Frankliniella occidentalis

Insects
Xingrui ZhangYulin Gao

Abstract

Western flower thrips (WFT) is one of the most important pests of horticultural crops worldwide because it can damage many different crops and transmit various plant viruses. Given these significant impacts on plant production, novel methodologies are required to maximize regulation of WFT to minimize crop losses. One particular approach is to develop control strategies for the non-feeding, soil-dwelling stages of WFT. Control of these stages could be enhanced through the use of granules impregnated with entomopathogenic fungi mixed in the soil. The use of soil-applied fungi contrasts with existing approaches in which entomopathogenic fungi are formulated as oil-based suspensions or water-based wettable powders for foliar applications against the feeding stages of WFT. To examine the efficacy of this approach, we evaluated the effects of a granular formulation of Beauveria bassiana on the soil-dwelling, pupal phases of Frankliniella occidentalis in laboratory bioassays and greenhouse experiments. Based on micromorphological observations of fungal conidia during the infection process after treatment of WFT with a B. bassiana suspension, fungal conidia complete the process of surface attachment, germination, and penetration of th...Continue Reading

References

Jun 22, 2000·Archives of Insect Biochemistry and Physiology·J P GillespieA Vilcinskas
May 24, 2003·Applied Microbiology and Biotechnology·P A Shah, J K Pell
Mar 24, 2004·Virus Research·Gerald MoritzLaurence Mound
Sep 10, 2005·Applied and Environmental Microbiology·Diane J Holder, Nemat O Keyhani
Jan 28, 2017·Pest Management Science·Sanae MoudenKirsten A Leiss

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Datasets Mentioned

BETA
KP994951

Methods Mentioned

BETA
scanning
fluorescence microscopy
Assay
scanning electron microscopy
fluorescence electron microscopy

Software Mentioned

SAS

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