Seasonal infection periods for apple scab, fire blight, and sooty blotch/flyspeck for regions throughout Pennsylvania and central Maryland.
- Fact sheet on Apple Scab
- Fact sheet on Cedar Apple Rust
- Fact sheet on Cherry Leaf Spot
- Fact sheet on Fire Blight
- Fact sheet on Sooty Blotch and Flyspeck of Apple
Apple Disease Infection Periods by County
Based on weather conditions.
