MSU Extension Apples

Diseases

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  Alternaria blotch

  Disease

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  Alternaria fruit rot

  Disease

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  American hawthorn rust

  Disease

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  Apple anthracnose

  Disease

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  Apple latent viruses

  Disease

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  Apple mosaic virus

  Disease

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  Apple scab

  Disease

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  Apple union necrosis and decline

  Disease

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  Armillaria root rot

  Disease

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  Bitter pit and cork spot

  Disease

• 

  Bitter rot

  Disease

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  Black pox of apple (blister canker of pear)

  Disease

• 

  Black rot (Blossom end rot, Frogeye leaf spot)

  Disease

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  Blister spot

  Disease

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  Blue mold

  Disease

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  Brooks fruit spot

  Disease

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  Calyx end rot

  Disease

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  Cedar apple rust

  Disease

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  Crown gall

  Disease

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  Dry eye rot (blossom end rot)

  Disease

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  Fire blight

  Disease

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  Flyspeck

  Disease

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  Gray mold

  Disease

• 

  Moldy core and core rot

  Disease

• 

  Mucor Rot

  Disease

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  Necrotic leaf blotch

  Disease

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  Nectria canker

  Disease

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  Nectria twig blight

  Disease

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  Perennial canker of apple and pear

  Disease

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  Phytophthora root, crown, and collar rot

  Disease

• 

  Powdery mildew of apple and pear

  Disease

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  Quince rust

  Disease

• 

  Replant disorders

  Disease

• 

  Root-lesion nematode

  Disease

• 

  Silver leaf

  Disease

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  Sooty blotch

  Disease

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  Southern blight

  Disease

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  Verticillium wilt

  Disease

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  White rot

  Disease