Marssonina leafspot of apple
By: J. A. Parmelee
Contributors: Plant Research Institute (Canada)
Publisher: Department of Agriculture
Published: 1971
Place of publication: Ottawa, Canada]
Language: eng
Number of pages: 92
Notes: Canada Plant Disease Survey, June 1971, pages 91-92.

Contribution Number 827. Plant Research Institute. Canada Department of Agriculture.

Includes bibliographical references (p. 92).