The plant disease warning service in 1950
By: Paul R. Miller and Muriel O'Brien
Contributors: O'Brien, Muriel; United States. Plant Disease Survey
Series: Plant disease reporter -- suppl. 197; Plant disease reporter -- suppl. 197.
Publisher: Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture
Published: 1950
Place of publication: Beltsville, Md
Language: eng
Number of pages: 572
Subjects: Forecasting; Tobacco blue mold; Plant diseases; Downy mildew diseases; Late blight of potato; Cucurbitaceae; Tomatoes; Diseases and pests
Notes: Caption title.

"November 15, 1950."