Maple Diseases



These are pictures and descriptions of different diseases affecting the maple.









Anthracnose on sugar maple caused
by the fungus Discula

Anthracnose symptoms on maple

Frost crack on maple

Frost damage on maple

Manganese deficiency in red maple

Maple hail injury

Maple leaf scorch

Maple scorch leaf browning

Maple tar spot

Maple Verticillium wilt

Maple Verticillium wilt-black to
greenish black discoloration

Maple-girdling root

Mechanical injury to maple trunk

Norway maple anthracnose

Phyllosticta leaf spot on maple showing fruiting

Phyllosticta leaf spot on maple
with fruiting bodies

Red maple anthracnose

Scorch on Japanese red maple

Sunscald on maple

Tar spot on maple
and Phyllosticta leaf spot (brown)

Verticillium wilt on
maple-streaking in sapwood
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