How to identify and control Marssonina leaf spot of poplars.

Bibliographic Details
Corporate Author: North Central Forest Experiment Station (Saint Paul, Minn.)
Format: Government Document Book
Language:English
Published: St. Paul, Minn. (1992 Folwell Avenue, St. Paul, Minn. 55108) : North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture : Available from North Central Forest Experiment Station, 1980.
Subjects:
Description
Physical Description:1 folded sheet (6) pages : color illustrations ; 23 x 10 cm.