Efficacy and persistence of Steinernema carpocapsae (Rhabditida: Steinernematidae) applied through a center-pivot irrigation system against larval corn rootworms (Coleoptera: Chrysomelidae)
Wright R.J, Witkowski J.F, Echtenkamp G, Georgis R
Published in Journal of economic entomology (01.01.1993)
Published in Journal of economic entomology (01.01.1993)
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Influence of sublethal doses of permethrin and methyl parathion on dispersal behavior of two species of spider mites (Acari: Tetranychidae) on corn
Ayyappath, R. (University of Nebraska-Lincoln, NE.), Witkowski, J.F, Higley, L.G, Siegfried, B.D
Published in Environmental entomology (01.04.1995)
Published in Environmental entomology (01.04.1995)
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Journal Article
Residual efficacy of chlorpyrifos 4E applied through a center-pivot irrigation system on European corn borer (Lepidoptera: Pyralidae) larvae
Currier, D.R. (University of Nebraska, Lincoln, NE), Witkowski, J.F
Published in Journal of economic entomology (01.06.1990)
Published in Journal of economic entomology (01.06.1990)
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Impact of Tillage and Placement Methods on Terbufos Insecticide Runoff
Mamo, M, Kranz, W.L, Douskey, E.R, Kamble, S, Witkowski, J.F
Published in Applied engineering in agriculture (01.07.2006)
Published in Applied engineering in agriculture (01.07.2006)
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Field worker exposure to selected insecticides applied to corn via center-pivot irrigation
Kamble, S T, Byers, M E, Witkowski, J F, Ogg, C L, Echtenkamp, G W
Published in Journal of economic entomology (01.06.1992)
Published in Journal of economic entomology (01.06.1992)
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Manipulation of larval diapause of the European corn borer (Lepidoptera: Pyralidae) as a potential mechanism of integrated pest management
Showers, W.B. (Corn Insects Research Unit, USDA, ARS, Ankeny, IA, and Department of Entomology, Iowa State University, Ames, IA), Keaster, A.J, Witkowski, J.F, Clement, S.L, Chiang, H.C, Sparks, A.N
Published in Environmental entomology (01.10.1990)
Published in Environmental entomology (01.10.1990)
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Drift during center-pivot chemigation of chlorpyrifos with and without crop oil
Byers, M E, Kamble, S T, Witkowski, J F
Published in Bulletin of environmental contamination and toxicology (01.07.1993)
Published in Bulletin of environmental contamination and toxicology (01.07.1993)
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Journal Article
Impact of corn canopy on foliar distribution of chlorpyrifos (Lorsban) when applied via a center pivot irrigation system
Kamble, S.T. (University of Nebraska, Lincoln, NE), Byers, M.E, Witkowski, J.F
Published in Bulletin of environmental contamination and toxicology (01.05.1992)
Published in Bulletin of environmental contamination and toxicology (01.05.1992)
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Susceptibility of field populations of the European corn borer, Ostrinia nubilalis (Hubner) (Lepidoptera: Pyralidae), to Bacillus thuringiensis (Berliner)
Siegfried, B.D. (University of Nebraska, Lincoln, NE.), Marcon, P.C.R.G, Witkowski, J.F, Wright, R.J, Warren, G.W
Published in Journal of agricultural entomology (01.10.1995)
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Published in Journal of agricultural entomology (01.10.1995)
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