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Dive into the research topics where Ernst K. Horber is active.

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Featured researches published by Ernst K. Horber.


Entomologia Experimentalis Et Applicata | 1974

BIOLOGICAL ACTIVITIES OF SAPONIN COMPONENTS FROM DUPUITS AND LAHONTAN ALFALFA1

Ernst K. Horber; K. T. Leath; Bertold Berrang; Victoria Marcarian; C. H. Hanson

Saponins of DuPuits and Lahontan alfalfa cultivars were extracted and fractionated by preparative thin‐layer chromatography. The ten relatively well‐defined saponin fractions obtained from each cultivar were chemically characterized by major aglycone and carbohydrate moieties.


Environmental Entomology | 1976

Seed Coats of Cowpeas Affect Oviposition and Larval Development of Callosobruchus maculatus

Kanayo F. Nwanze; Ernst K. Horber


Environmental Entomology | 1975

Evidence for Ovipositional Preference of Callosobruchus maculatus for Cowpea Varieties

Kanayo F. Nwanze; Ernst K. Horber; C. W. Pitts


Environmental Entomology | 1975

Laboratory Techniques for Screening Cowpeas for Resistance to Callosobruchus maculatus F. 1

Kanayo F. Nwanze; Ernst K. Horber


Journal of Economic Entomology | 1986

Alfalfa stem anatomy and potato leafhopper (Homoptera: Cicadellidae) resistance.

Gary J. Brewer; E. L. Sorensen; Ernst K. Horber; G. L. Kreitner


Journal of Economic Entomology | 1986

Potato leafhopper (Homoptera: Cicadellidae) antixenosis and antibiosis in Medicago species.

Gary J. Brewer; Ernst K. Horber; E. L. Sorensen


Crop Science | 1980

Effect of Temperature and Glandular-haired Medicago species on Development of Alfalfa Weevil Larvae 1

Kathleen J. R. Johnson; E. L. Sorensen; Ernst K. Horber


Environmental Entomology | 1980

Resistance in Glandular-haired Annual Medicago Species to Feeding by Adult Alfalfa Weevils (Hypera postica)

Kathleen J. R. Johnson; Edgar L. Sorensen; Ernst K. Horber


Crop Science | 1974

Selecting Alfalfa Seedlings to Resist the Potato Leafhopper1

E. L. Sorensen; Ernst K. Horber


Environmental Entomology | 1983

Trichomes and Field Resistance of Medicago Species to the Alfalfa Seed Chalcid (Hymenoptera: Eurytomidae)

Gary J. Brewer; E. L. Sorensen; Ernst K. Horber

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Edgar L. Sorensen

United States Department of Agriculture

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C. H. Hanson

United States Department of Agriculture

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C. W. Pitts

Kansas State University

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