Rhabdocline needle cast of Douglas-fir
By: [Roy M. Davidson, Jr. and Ralph S. Byther].
Contributors: Byther, Ralph S.; Washington State University. Cooperative Extension.; United States. Dept. of Agriculture.
Series: Plant diseases; Extension bulletin -- 1306.; Extension bulletin (Washington State University. Cooperative Extension) -- 1306.
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1985
Place of publication: Pullman, Wash
Language: eng
Subjects: Rhabdocline pseudotsugae -- Control; Douglas fir -- Diseases and pests
Notes: Title from caption.

"March 1985"--P. [2].