Fire Blight (Erwinia amylovora)
Apple Scab (Venturia inaequalis)
Scab lesions leading to fruit cracking
Brown Rot (Monilinia fructigena)
Powdery Mildew (Podosphaera leucotricha)
Nectria Twig Blight (Nectria cinnabarina)
Cedar Apple Rust (Gymnosporangium juniperi-virginianae)
Cedar apple rust
Alternaria Leaf Blotch (Alternaria mali) and Frogeye Leaf Spot
Bitter Rot (Colletrotrichum spp.)
Miscellaneous Rots
Fruit Cracking
