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. MadsenJ. 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.
Madsen H, Bailey J. 1958. Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests. Hilgardia 12(3):14-16. DOI:10.3733/ca.v012n03p14
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