Full TGIF Record # 64637
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Author(s):Reinert, J. A.; Knauf, T. A.; Maranz, S. J.; Bishr, M.; Wiseman, B. R.
Author Affiliation:Knauf: Earthgreen Products, Inc., Dallas, TX; Bishr: Biology Department, Labette College, Parsons, KS; Wiseman: USDA - ARS, Tifton, GA; Reinert: Entomologist, Texas A&M University Research & Extension Center at Dallas; Maranz: Research Associate, Entomology, Support Center for Turfgrass Programs, Texas A&M University, TX
Title:Beauveria bassiana an entomogenous fungus for control of fall armyworm (Spodoptera frugiperda)
Section:Pests and pest management: Insects
Other records with the "Pests and pest management: Insects" Section
Source:Texas Turfgrass Research - 1998. 1998, p. .
# of Pages:4
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-98-1 thru TURF 98-30
Keywords:TIC Keywords: Beauveria bassiana; Biological control; Insect pests; Larva; Pest control; Spodoptera frugiperda; Cynodon dactylon; Evaluations; Application rates; Formulations
Abstract/Contents:"Fall armyworm, Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), larvae feed on most of the turfgrasses in Texas and can completely defoliate the turf in the landscape. Larval populations are routinely managed with pesticides, but alternative control strategies are being investigated. A laboratory study was initiated to assay the efficacy of BioCide-TRF^D]T^D]M (Mycotrol GH-ES) Beauveria bassiana Vuill, an entomogenous fungus for management of FAW larvae. Terminal stolons of Common bermudagrass, Cynodon dactylon (L.) Pers., were dipped in dilutions (0, 1:100, 1:250, 1:500, 1:1,000, 1:1,250) of BioCide-TRF^D]T^D]M (2.0 x 10¹³ conidia/qt), and exposed to 4-day-old fall armyworm larvae in feeding chambers. Larvae treated with the highest dose (1:100 dilution) exhibited significant mortality (66.7%) within 8 days. Dilutions of 1:100 to 1:750 provided 72% or higher control by 15 days and 78-94% mortality within 20 days after larval exposure. Even the dilutions of 1,000 and 1,250 produced significant (44-50%) control of larvae by 20 days. This strain of B. bassiana shows promise for control of FAW larvae and should perform against other members of the turf caterpillar complex. Field trials are planned to confirm these results and determine the dilution rates required for control under landscape conditions."
Language:English
References:9
Note:TURF-98-11
December 1998
Tables
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Reinert, J. A., T. A. Knauf, S. J. Maranz, M. Bishr, and B. R. Wiseman. 1998. Beauveria bassiana an entomogenous fungus for control of fall armyworm (Spodoptera frugiperda). Tex Turfgrass Res.
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