How to identify scleroderris canker
By: Darroll D. Skilling, James T. O'Brien
Contributors: O'Brien, James T., joint author; North Central Forest Experiment Station (Saint Paul, Minn.); United States. Forest Service
Publisher: Dept. of Agriculture, Forest Service, North Central Forest Experiment Station
Published: 1979
Place of publication: [St. Paul, Minn.]
Language: eng
Subjects: Canker (Plant disease); Conifers -- Diseases and pests -- United States