Pear psylla detection and control
By: [by Arthur H. Retan, Everett Burtts [sic], and Vanelle Carrithers].
Contributors: Burts, Everett C.; Carrithers, Vanelle.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Edition: [Rev.]
Series: Insect answers; Extension bulletin -- 1230.; Extension bulletin (Washington State University. Cooperative Extension) -- 1230.
Publisher: Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Published: 1984
Place of publication: Pullman, Wash
Language: eng
Subjects: Pear -- Diseases and pests -- Northwest, Pacific; Psylla -- Control
Notes: Caption title.

"Revised from and replaces EB 0906 and EM 3069"--Colophon.

"Published April 1984"--Colophon.