Hilgardia
Hilgardia
Hilgardia
University of California
Hilgardia

Walnut aphid control: Comparative study of control treatments made during heavy infestations in 1956

Authors

A. E. Michelbacher
Stephen W. Hitchcock

Authors Affiliations

A. E. Michelbacher is Professor of Entomology, University of California, Berkeley; Stephen W. Hitchcock is Research Assistant, University of California, Berkeley.

Publication Information

Hilgardia 11(5):10-15. DOI:10.3733/ca.v011n05p10. May 1957.

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Abstract

An early infestation of the walnut aphid—the most severe during the past 10 to 15 years—occurred throughout much of the Central Valley in 1956.

Michelbacher A, Hitchcock S. 1957. Walnut aphid control: Comparative study of control treatments made during heavy infestations in 1956. Hilgardia 11(5):10-15. DOI:10.3733/ca.v011n05p10
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