News Article
Samples with the following infectious diseases have appeared in the Plant Disease Clinic in the past week:
- Anthracnose on white oak, maple, and sycamore
- Ash flower gall
- Ash rust (see this week's main article)
- Dutch Elm Disease (PDF)
- Hickory downy spot
- Marssonina leaf spot on poplar
- Mite injury on spruce
- Oak leaf blister
- Pine wilt on Scots and white pine (PDF)
- Plum pockets
- Rhizosphaera needle cast on spruce
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