Stem Canker Diseases of Douglas-fir in Nurseries
Diseases that kill above ground portions of Douglas-fir formerly called "Top Blight," are listed. Disease recognition, time of infection, infection site, and causal agents are described.
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Author(s): Philip B. Hamm, Everett M. Hansen
Publication: National Nursery Proceedings - 1986
Event:
Combined Western Forest Nursery Council and Intermountain Nursery Association Meeting
1986 - Tumwater, WA