Clubroot of crucifers
By: by F.L. Wellman.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 181; Technical bulletin (United States. Dept. of Agriculture) -- no. 181.
Publisher: U.S. Dept. of Agriculture
Published: 1930
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Cruciferae -- Diseases and pests.
Notes: Caption title.

Literature cited: p. 28-31.