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| Web URL(s): | http://journals.fcla.edu/flaent/article/view/76333/73991
Last checked: 07/29/2011
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| Publication Type:
| Report |
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| Author(s): | Hardke, Jarrod T.;
Temple, Joshua H.;
Leonard, B. Rogers;
Jackson, Ryan E. |
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| Author Affiliation: | Hardke, Temple and Leonard: LSU AgCenter, Louisiana State University, Baton Rouge, LA; Jackson: USDA-ARS, Southern Insect Management Research Unit, Stoneville, MS |
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| Title: | Laboratory toxicity and field efficacy of selected insecticides against fall armyworm (Lepidoptera: Noctuidae) |
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| Section: | Research papers
Other records with the "Research papers" Section
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| Source: | Florida Entomologist. Vol. 94, No. 2, June 2011, p. 272-278. |
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| Publishing Information: | Gainesville, Florida: Florida Entomological Society |
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| # of Pages: | 7 |
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| Related Web URL: | http://journals.fcla.edu/flaent/article/view/76332
Last checked: 07/29/2011
Notes: Abstract only |
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| Keywords: | TIC Keywords: Insect control; Insecticide evaluation; Integrated pest management; Residual effects; Sorghum bicolor; Spodoptera frugiperda
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| Abstract/Contents: | "Fall armyworm, Spodoptera frugiperda (J. E. Smith), is an occasional but often serious pest of several row crops in the southern U.S., including cotton, field corn, and grain sorghum. The objective of these studies was to generate baseline dose-mortality responses for fall armyworm larvae in laboratory bioassays, to confirm field efficacy against natural infestations, and to determine residual efficacy of selected insecticides. These studies evaluated 4 recently developed insecticides (chlorantraniliprole, cyantraniliprole, flubendiamide, and spinetoram) and 5 commercial standards (indoxacarb, lambda-cyhalothrin, methoxyfenozide, novaluron, and spinosad). In diet-incorporated assays, the LC50 values of chlorantranilprole and spinetoram were significantly lower than the LC50's of all other insecticides. The results of a field trial against a native fall armyworm infestation in grain sorghum indicated that chlorantraniliprole reduced the number of infested whorls below that in the non-treated control and the lambda-cyhalothrin- and methoxyfenozide-treated plots at 3 d after treatment (DAT). At 7 DAT, no insecticides significantly reduced the number of infested whorls below that in the non-treated plots. In residual efficacy studies, exposure of fall armyworm larvae to chlorantraniliprole- and cyantraniliprole-treated tissue resulted in significantly greater mortality compared to those exposed to non-treated tissue and lambda-cyhalothrin-, flubendiamide-, novaluron-, and methoxyfenozide-treated tissues at 7 DAT. In addition, chlorantraniliprole and cyantraniliprole were the only compounds that resulted in >40% mortality at 28 DAT. These results indicate that newer insecticides are equal to or more efficacious against fall armyworm than traditional insecticides." |
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| Language: | English |
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| References: | 25 |
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| Note: | Abstract also available in Spanish
Tables |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hardke, J. T., J. H. Temple, B. R. Leonard, and R. E. Jackson. 2011. Laboratory toxicity and field efficacy of selected insecticides against fall armyworm (Lepidoptera: Noctuidae). Fla. Entomol. 94(2):p. 272-278. |
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| Web URL(s):
http://journals.fcla.edu/flaent/article/view/76333/73991
Last checked: 07/29/2011
Requires: PDF Reader
http://search.proquest.com/docview/878542544/fulltext/130DBADC93F772FF77F/21
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2212374a |
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