Leaf Diseases

Leaf diseases

Oak Anthracnose

Ash Anthracnose

Aspen and Poplar Leaf and Twig Blight

Apple Scab, Venturia inaequalis

A list of apple scab resistant cultivars for crab apples (scroll down the page for the list) and apples

Peach Leaf Curl, Taphrina deformans

Aspen and poplar diseases

Bur Oak Blight

Tar Spots - Native and Introduced - See links at top of page for more information and photos

Information on the invasive tar spot from Europe in Minnesota 

Laboratory Review - Information and photographs for the lab review will be posted after the class has met.


Powdery mildew

Tar spot 


Other leaf diseases: Apple scab, Aspen twig blight, sooty mold