Perennial canker and bull's eye rot of apples
By: [by Otis C. Maloy and Ronald P. Covey].
Contributors: Covey, Ronald P.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: Plant diseases; Extension bulletin -- 1517; Extension bulletin (Washington State University. Cooperative Extension) -- 1517.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1989
Place of publication: Pullman
Language: eng
Subjects: Apples -- Diseases and pests -- Washington (State); Fungal diseases of plants -- Washington (State)
Notes: Caption title.

"April 1989."--P. [2].

"Reprinted from and replaces EM 3045."--P. [2].

"Issued by Washington State University Cooperative Extension ... and the U.S. Dept. of Agriculture ..."--P. [2].