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P. A. Norman

United States Department of Agriculture

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Publication

Featured researches published by P. A. Norman.

Journal of Economic Entomology | 1968

Factors Affecting Transmission of Tristeza Virus by Melon Aphids

P. A. Norman; R. A. Sutton; A. K. Burditt

Journal of Economic Entomology | 1972

Further Evidence that Tristeza Virus is Transmitted Semipersistently by the Melon Aphid1

P. A. Norman; R. A. Sutton; A. G. Selhime

Journal of Economic Entomology | 1967

Pesticides Screened Against Two Rust Mites of Citrus

P. A. Norman; D. K. Reed; C. R. Crittenden

Journal of Economic Entomology | 1969

Efficiency of Mature and Immature Melon Aphids in Transmitting Tristeza Virus

P. A. Norman; R. A. Sutton

Journal of Economic Entomology | 1967

Host Plants for Laboratory Rearing of the Melon Aphid

P. A. Norman; R. A. Sutton

International Organization of Citrus Virologists Conference Proceedings (1957-2010) | 1961

Variations in aphid transmission of tristeza virus.

P. A. Norman; Theodore J. Grant

Journal of Economic Entomology | 1975

Field tests of insecticides for control of adult Diaprepes abbreviatus on citrus.

Tim T. Y. Wong; J. B. Beavers; R. A. Sutton; P. A. Norman

Journal of Economic Entomology | 1975

Diaprepes abbreviatus: control on citrus foliage with carbaryl.

Tim T. Y. Wong; R. A. Sutton; J. B. Beavers; P. A. Norman

Journal of Economic Entomology | 1969

Efficiency of Three Colonies of Melon Aphids as Transmitters of Tristeza Virus

P. A. Norman; R. A. Sutton

Journal of Economic Entomology | 1959

Transmission of T3 Severe Strain of Tristeza Virus of Citrus hy the Melon Aphid

P. A. Norman; Theodore J. Grant

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R. A. Sutton

United States Department of Agriculture

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A. G. Selhime

United States Department of Agriculture

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A. K. Burditt

United States Department of Agriculture

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J. B. Beavers

United States Department of Agriculture

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Tim T. Y. Wong

Agricultural Research Service

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C. R. Crittenden

United States Department of Agriculture

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D. K. Reed

United States Department of Agriculture

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