A flower-spot disease of cultivated azaleas,
Weiss, Freeman.
A flower-spot disease of cultivated azaleas, by Freeman Weiss ... and Floyd F. Smith ... - [Washington, U.S. Govt. Print. Off., 1941] - 26 p. incl. illus., tab. 23 cm. - United States. Dept. of Agriculture. Circular no. 556 .
Caption title. Joint contribution from Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine. "Issued July 1940, revised July 1941."
agr41000669
Azaleas--Diseases and pests.
SB608.A9 / W4 1941
632.44
1Ag84C / no. 556 1941
A flower-spot disease of cultivated azaleas, by Freeman Weiss ... and Floyd F. Smith ... - [Washington, U.S. Govt. Print. Off., 1941] - 26 p. incl. illus., tab. 23 cm. - United States. Dept. of Agriculture. Circular no. 556 .
Caption title. Joint contribution from Bureau of Plant Industry and Bureau of Entomology and Plant Quarantine. "Issued July 1940, revised July 1941."
agr41000669
Azaleas--Diseases and pests.
SB608.A9 / W4 1941
632.44
1Ag84C / no. 556 1941