Apple Disease Fact Sheets Fact Sheet: Fire Blight Fact Sheet: Apple Scab Fact Sheet: Powdery Mildew Fact Sheet: Cedar Apple Rust Fact Sheet: Black Rot and Frogeye Leaf Spot Fact Sheet: Sooty Blotch and Fly Speck Fact Sheet: Bitter Rot Fact Sheet: Blue Mold Fact Sheet: Root Rot Fact Sheet: Apple Anthracnose Fact Sheet: Quince Rust Fact Sheet: Crown Gall Fact Sheet: Nectria Twig Blight and Canker Fact Sheet: White Rot