Leaf Diseases

Oak Anthracnose

Ash Anthracnose

Dogwood anthracnose

Aspen Twig Blight

Apple Scab, Venturia inaequalis (scroll down to the section on apple scab)

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 leaf diseases

Bur Oak Blight

Tar Spots - Introduced into the US. Rhytisma acerinum

Tar Spots - Native to the US. Rhytisma americana and Rhytisma punctatum

 

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

Anthracnose

Powdery mildew

Tar spot 

Taphrina

Other leaf diseases: Black spot of elm, Apple scab, Aspen twig blight, Bur oak blight, Bronze leaf disease, Marssonina leaf spot, Septoria leaf spot, Sooty mold