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Web URL(s):https://academic.oup.com/jee/article/108/4/1587/2380836
    Last checked: 03/08/2018
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Author(s):Behle, Robert W.; Richmond, Douglas S.; Jackson, Mark A.; Dunlap, Christopher A.
Author Affiliation:Behle, Jackson, and Dunlap: National Center for Agricultural Utilization Research, USDA-ARS, Peoria, IL; Richmond: Department of Entomology, Purdue University, West Lafayette, IN
Title:Evaluation of Metarhizium brunneum F52 (Hypocreales: Clavicipitaceae) for control of Japanese beetle larvae in turfgrass
Section:Biological and microbial control
Other records with the "Biological and microbial control" Section
Source:Journal of Economic Entomology. Vol. 108, No. 4, August 2015, p. 1587-1595.
Publishing Information:Lanham, Maryland: Entomological Society of America
# of Pages:9
Keywords:TIC Keywords: Biological control organisms; Comparisons; Control methods; Evaluations; Insect control; Insecticide evaluation; Melolonthinae; Popillia japonica
Abstract/Contents:"Experimental and commercial preparations of Metarhizium brunneum (Petch) strain F52 were evaluated for control of Japanese beetle, Popillia japonica Newman (Coleoptera: Scarbaeidae), larvae (white grubs) in the laboratory and under field conditions. Experimental preparations consisted of granule and liquid formulations made using in vitro produced microsclerotia, which are intended to produce infective conidial spores after application. These formulations were compared against commercial insecticides (imidacloprid and trichlorfon), and commercial formulations of M. brunneum F52 (Met 52) containing only conidia. Field-collected grubs were susceptible to infection in a dosage-dependent relationship when exposed to potting soil treated with experimental microsclerotia granules in the laboratory. The LC50 for field-collected larvae was 14.2 mg of granules per cup (~15 g granules/m2). Field plots treated with experimental and commercial formulations of M. brunneum F52 after 10 September (targeting second and third instar grubs) had significantly lower grub densities compared with untreated plots, providing 38.6-69.2% control, which sometimes equaled levels of control with chemical insecticides. Fungal treatments made prior to 21 August provided 14.3-69.3% control, although grub densities resulting from these treatments were often not significantly lower than those in untreated control plots. By comparison, chemical insecticide treatments provide 68-100% grub control, often providing better control when applied earlier in the season. In conclusion, P. japonica larvae are susceptible to infection by M. brunneum, and grub densities were reduced most consistently by fall applications targeting later instars."
See Also:See also related article "Research indicates biologicals can play a role in grub control" Chips & Putts, 23(4) August 2017, p. 6, R=295671. R=295671
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Behle, R. W., D. S. Richmond, M. A. Jackson, and C. A. Dunlap. 2015. Evaluation of Metarhizium brunneum F52 (Hypocreales: Clavicipitaceae) for control of Japanese beetle larvae in turfgrass. J. Econ. Entomol. 108(4):p. 1587-1595.
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DOI: 10.1093/jee/tov176
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    Last checked: 03/08/2018
    Access conditions: Item is within a limited-access website
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