Canker stain of planetrees
By: by James M. Walter
Edition: Slightly rev. July 1950.
Series: Circular / United States Department of Agriculture -- no. 742; Circular (United States. Dept. of Agriculture) -- no. 742.
Publisher: U.S. Dept. of Agriculture
Published: 1950
Place of publication: Washington, D.C
Language: eng
Number of pages: 12
Subjects: Plane-tree; Diseases and pests; Canker (Plant disease)