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United States Department of Agriculture

Agricultural Research Service

Research Project: ECOLOGY AND MANAGEMENT OF GRASSHOPPERS AND OTHER INSECT PESTS IN THE NORTHERN GREAT PLAINS

Location: Pest Management Research Unit

Title: Mass production of entomopathogenic hypocreales

Authors
item Jaronski, Stefan
item Jackson, Mark

Submitted to: Manual of Techniques in Insect Pathology
Publication Type: Book / Chapter
Publication Acceptance Date: June 29, 2012
Publication Date: June 29, 2012
Citation: Jaronski, S., Jackson, M.A. 2012. Mass production of entomopathogenic hypocreales. In: Lacey, L.A., editor. Manual of Techniques in Invertebrate Pathology. 2nd edition. New York, NY: Academic Press. p. 255-284.

Interpretive Summary: This chapter, part of the manual of Laboratory Techniques in Insect Pathology, 2nd Edition, presents basic methods to allow students and scientists to “grow their own,” insect pathogenic fungi, that is, in quantities sufficient for field evaluations using solid and liquid substrates. The techniques are designed to be simple and easily followed by relatively inexperienced people.

Technical Abstract: The Hypocreales, Beauveria bassiana, Metarhizium anisopliae sensu lato, Isaria fumosorosea and I. farinosus, and Nomuraea rileyi, have become important insect control agents in recent times and consequently subjects of much scientific study and development. Mass production of infective stages is important for obtaining sufficient quantities of infective stages for field studies of these fungi. Conidial production on agar media in Petri dishes is generally insufficient for such purposes. There are several methods for mass production, involving solid substrate fermentation for aerial conidia, and liquid fermentation for blastospores or microcycle conidia, and for a novel structure, evidently specific to Metarhizium spp., the microsclerotium. This chapter presents basic techniques for all these procedures, techniques that should allow any laboratory to produce hypocrealean fungi for their use, as well as provide a theoretical basis to adapt mass production to local requirements and devise technical improvements.

Last Modified: 10/23/2014
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