Aphids in apples
By: [by Lorna Youngs, Vanelle Peterson, and Arthur H. Retan]
Contributors: Peterson, Vanelle.; Retan, Arthur H.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: Insect answers; Extension bulletin -- 1075.; Extension bulletin (Washington State University. Cooperative Extension) -- 1075.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1982
Place of publication: Pullman, Wash
Language: eng
Subjects: Apples -- Diseases and pests -- Washington (State); Aphids -- Control; Woolly apple aphid -- Control
Notes: Caption title.

"March 1982"--Caption.