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| Web URL(s): | http://journals.fcla.edu/flaent/article/viewFile/74882/72540
Last checked: 03/25/2016
Requires: PDF Reader |
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| Publication Type:
| Report |
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| Author(s): | Adamczyk, J. J. Jr.;
Leonard, B. R.;
Graves, J. B. |
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| Author Affiliation: | Department of Entomology, Louisiana State University Agricultural Center, Baton Rouge, LA |
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| Title: | Toxicity of selected insecticides to fall armyworms (Lepidoptera: Noctuidae) in laboratory bioassay studies |
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| Source: | Florida Entomologist. Vol. 82, No. 2, June 1999, p. 230-236. |
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| Publishing Information: | Gainesville, Florida: Florida Entomological Society |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Toxicity; Pesticide residues; Spodoptera frugiperda; Pest control; Insect control; Bioassay; Feeding preferences; Pest density; Insecticides; Insecticide evaluation; Experimental products
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| Abstract/Contents: | "Efficacy of conventional and experimental insecticides against the fall armyworm, Spodoptera frugiperda (J. E. Smith), was evaluated in laboratory bioassays. In a laboratory diet bioassay, third instars of a laboratory-strain were more susceptible to novel insecticides, including chlorfenapyr, methoxyfenozide, spinosad, and tebufenozide, than to a recommended insecticides, thiodicarb. In other laboratory bioassays, fall armyworms were fed field grown cotton leaves, white flowers, or bolls treated with one of two recommended insecticides, L-cyhalothrin or thiodicarb, or one of four experimental insecticides, chlorfenapyr, emamectin benzoate, methoxyfenozide, or spinosad. First instar mortality was significantly greater on leaves treated with chlorfenapyr, L-cyhalothrin, or thiodicarb than for the untreated control at 24 h after infestation (HAI). First instar morality was significantly greater on leaves treated with all insecticides, with the exception of methoxyfenozide, than for the untreated control at 48 HAI. Likewise, first instar mortality was significantly greater on white flowers treated with all insecticides, with the exception of methoxyfenozide, than for the untreated control at 24 HAI. First instar mortality on white flowers treated with all insecticides was significantly greater than the untreated control at 48 HAI. Fifth instar mortality on bolls was not significantly different among treatments at 1 day after infestation (DAI). At 3 and 5 DAI, fifth instar mortality was significantly greater on bolls treated with all insecticides, with the exception of methoxyfenozide and spinosad, than for the untreated control. At 7 DAI, fifth instar moratility was significantly greater on bolls treated with all insecticides, with the exception of spinosad, than for the untreated control. These data indicate that these recommended and experimental insecticides are effective in controlling early fall armyworm instars on cotton if larvae come in contact with these insecticides." |
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| Language: | English |
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| References: | 25 |
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| Note: | Tables
Abstract also appears in Spanish |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Adamczyk, J. J. Jr., B. R. Leonard, and J. B. Graves. 1999. Toxicity of selected insecticides to fall armyworms (Lepidoptera: Noctuidae) in laboratory bioassay studies. FLA Entomol. 82(2):p. 230-236. |
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| Web URL(s):
http://journals.fcla.edu/flaent/article/viewFile/74882/72540
Last checked: 03/25/2016
Requires: PDF Reader |
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MSU catalog number: QL 461 .F5 |
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