Plant Disease Clinic Update - July 12, 2006
Plant Disease Clinic Update - July 12, 2006
Samples with the following problems have been seen in the Plant Disease Clinic recently:
- Angular leaf spot on pumpkin
- Anthracnose on oak and maple
- Ash flower gall
- Ash rust
- Bacterial spot on apricot
- Dothistroma needle blight and Diplodia (Sphaeropsis) tip blight on Austrian pine
- Drought stress on various plants
- Dutch elm disease
- Fusarium wilt on tomatoes
- Hawthorn rust
- Herbicide injury on various plants
- Jumping bullet gall on oak
- Marssonina leaf spot on aspen
- Mite injury on spruce
- Oak wilt
- Rhizosphaera needle cast on spruce
- Scab on mountain ash and crabapple
- Septoria leaf spot on black-eyed Susan
- Verticillium wilt on maple and catalpa
This article originally appeared on page 83 of the IC-495(17) -- July 12, 2006 issue.
