Progress in barberry eradication in 1932 and summarized results covering the period 1918-1932
By: by F.C. Meier, Principal pathologist in Charge, and W.L. Popham, Senior pathologist  Division of Barberry Eradication
Contributors: Popham, W. L.; United States. Bureau of Plant Industry
Published: 1932
Language: eng
Number of pages: 31
Subjects: Control; Rust diseases; Barberries; Diseases and pests
Notes: Caption title.

"May 1932."