Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests

Madsen, H; Bailey, J

Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests

Authors

Harold F. Madsen
J. Blair Bailey

Authors Affiliations

Harold F. Madsen is Assistant Entomologist, University of California, Berkeley; J. Blair Bailey is Research Assistant in Entomology, University of California, Berkeley.

Publication Information

Hilgardia 12(3):14-16. DOI:10.3733/ca.v012n03p14. March 1958.

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Abstract

Woolly apple aphid and green apple aphid are two of the more important pests of apple, especially in the coastal districts of northern California. Both are difficult to control because they are able to reinfest trees after spray applications.

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