Apple powdery mildew and its control in the Pajaro Valley
By: by W.S. Ballard and W.H. Volck
Contributors: Volck, W. H. (William Hunter), 1879-
Series: Bulletin of the U.S. Department of Agriculture -- no. 120; Bulletin of the U.S. Department of Agriculture -- no. 120.
Publisher: U.S. Dept. of Agriculture
Published: 1914
Place of publication: Washington, D.C
Language: eng
Number of pages: 26
Subjects: Powdery mildew diseases; Apples; Diseases and pests
Notes: Caption title.

"September 3, 1914."