A flower-spot disease of cultivated azaleas
By: by Freeman Weiss ... and Floyd F. Smith ...
Contributors: Smith, Floyd F. 1900- joint author.
Series: United States. Dept. of Agriculture. Circular; no. 556
Publisher: U.S. Govt. Print. Off.
Published: 1941
Place of publication: [Washington
Language: eng
Number of pages: 26
Subjects: Azalea -- Diseases and pests.
Notes: Caption title.
Joint contribution from Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine.
"Issued July 1940, revised July 1941."