Full TGIF Record # 66820
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Publication Type:
i
Report
Author(s):Reinert, James A.; Knauf, T. A.; Maranz, Steven J.; Bishr, Mahmod; Wiseman, Billy R.
Author Affiliation:Reinert: Professor, Turfgrass & Ornamentals Entomology, The Texas Agricultural Experiment Station, Dallas, TX; Knauf: Earthgreen Products, Inc., Dallas, TX; Maranz: Research Associate, Turfgrass & Ornamental Entomology, The Texas Agricultural Experiment Station, Dallas, TX; Bishr: Microbiologist, Biology Department, Labette College, Parsons, KS; Wiseman: USDA-ARS, Tifton, GA
Title:Response of fall armyworm (Spodoptera frugiperda) to the entomogenous fungus, Beauveria bassiana
Section:Pests and pest management: B. Insects
Other records with the "Pests and pest management: B. Insects" Section
Source:Texas Turfgrass Research - 1997. December 1997, p. [1-4].
# of Pages:4
Publishing Information:College Station, TX: Texas Agricultural Experiment Station
Series:Texas Turfgrass Consolidated Progress Reports TURF-97-1 thru
97-33
Keywords:TIC Keywords: Spodoptera frugiperda; Biological control; Pest control; Beauveria bassiana; Entomopathogenic fungi; Cynodon dactylon; Application rates; Pest density
Abstract/Contents:"Fall armyworm larvae (Spodoptera frugiperda) feed on most of the turfgrasses in Texas and cause damage to managed turf at least every third yr. Larval populations are routinely managed with pesticides, but alternative control strategies are being investigated. Laboratory studies were initiated to assay the efficacy of BioCide-TRF (Mycotrol GH-ES) Beauveria bassiana Vuill, an entomogenous fungus for management of FAW larvae. Terminal stolons of Common bermudagrass (Cynodon dactylon) were dipped in dilutions (1:100, 1:1,000, 1:10,000 and 1:100,000) of BioCide-TRF (2.0 x 10¹³ conidia/qt), and exposed to 5-d-old fall armyworm larvae in feeding chambers. Larvae treated with the highest dose (1:100 dilution) of Beauveria exhibited high mortality of 61.4% at 5 d, 90.3% by 8 d and 95.3% were dead within 15 d of exposure to the fungus. The only other inoculation to provide any control was the 1:1,000 dilution which provided 23.8% by 15 d, and 33.3% within 20 d of inoculation. Less than 5% mortality was present in the untreated check during the same 20-d test period."
Language:English
References:9
Note:TURF-97-15
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. 1997. Response of fall armyworm (Spodoptera frugiperda) to the entomogenous fungus, Beauveria bassiana. Tex Turfgrass Res. p. [1-4].
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