Purple spot and stemphylium spot of asparagus.
Series: EB -- 1418.; Extension bulletin (Washington State University. Cooperative Extension) -- 1418.
Publisher: Cooperative Extension, College of Agriculture and Home Economics,  Washington State University
Published: 1986
Place of publication: Pullman, [Wash.]
Language: eng
Subjects: Asparagus -- Diseases and pests -- Control; Stemphylium vesicarium; Fungal diseases of plants
Notes: Caption title.

"By Dennis A. Johnson ... Published November 1986"--P. [2].