How to identify and control Marssonina leaf spot of poplars
Contributors: North Central Forest Experiment Station (Saint Paul, Minn.)
Publisher: North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture; Available from North Central Forest Experiment Station
Published: 1980
Place of publication: St. Paul, Minn. (1992 Folwell Avenue, St. Paul, Minn. 55108)
Language: eng
Subjects: Leaf spots; Poplar -- Diseases and pests -- United States