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Disease Information
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Disease Information
This section includes disease fact sheets and image galleries to help identify disease problems with christmas trees.
Disease Fact Sheets from Penn State
Disease Fact Sheets from Other Universities and USDA
Educational Materials
Document Actions
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Announcements
2011 Conifer Nursery Diseases
2011 Christmas Tree Insecticides-Miticides
24(c) Special Local Needs Labels
PCTGA Report: Leading Research Problems & Priorities in PA Christmas Tree Industry
Revised Tedder Trap Plans
Pest Alert - Douglas Fir Needle Midge
