Woolly and green apple aphids: Field trials with new materials in orchard near Watsonville indicate same timing of spray treatment controls both pests
Harold F. Madsen, University of California
J. Blair Bailey, University of California
California Agriculture 12(3):14-16. DOI: 10.3733/ca.v012n03p14.
Harold F. Madsen is Assistant Entomologist, University of California, Berkeley. J. Blair Bailey is Research Assistant in Entomology, University of California, Berkeley.
Abstract Not Available – First paragraph follows:
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.
The above progress report is based on Research Project No. 806-A