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Robert F. Ruppel

Michigan State University

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Publication

Featured researches published by Robert F. Ruppel.

Journal of Economic Entomology | 1983

Cumulative Insect-Days as an Index of Crop Protection

Robert F. Ruppel

Journal of Economic Entomology | 1966

Resistance of Small Grains to The Cereal Leaf Beetle

R. L. Gallun; Robert F. Ruppel; E. H. Everson

Journal of Economic Entomology | 1978

Indices for Projecting Emergence of Corn Rootworm Adults in Michigan

Robert F. Ruppel; Howard Russell; Samuel J. Jennings

Journal of Economic Entomology | 1959

Effectiveness of Sevin Against the Grey Garden Slug1

Robert F. Ruppel

Journal of Economic Entomology | 1964

Toxicity of Insecticides to a Coccinellid Predator of the Cereal Leaf Beetle

Mok Y. Yun; Robert F. Ruppel

Journal of Economic Entomology | 1984

Model for Effective Timing of an Insecticide

Robert F. Ruppel

Journal of Economic Entomology | 1965

Low-Volume Concentrate Sprays Applied by Aircraft for Control of the Cereal Leaf Beetle

M. Curtis Wilson; Robert F. Ruppel; Robert E. Treece

Annals of The Entomological Society of America | 1965

Sound Production by the Cereal Leaf Beetle

Robert F. Ruppel; Marquis E. Smith

Bulletin of the Entomological Society of America | 1978

Tabular Values for the Logistic Curve

Robert F. Ruppel; Kenneth Dimoff

Journal of Economic Entomology | 1972

Tests of Chemical Control of the Cereal Leaf Beetle12

Robert F. Ruppel

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Curtis M. Wilson

Purdue University

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Howard Russell

Michigan State University

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James A. Webster

Michigan State University

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Kenneth Dimoff

Michigan State University

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Marquis E. Smith

Michigan State University

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Robert E. Treece

Ohio Agricultural Research and Development Center

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Samuel J. Jennings

Michigan State University

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Stanley G. Wellso

United States Department of Agriculture

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