Calag Archive
Calag Archive
Walnut aphid control: Comparative study of control treatments made during heavy infestations in 1956
Publication Information
California Agriculture 11(5):10-15.
Published May 01, 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.