(White birches are not well adapted to Missouri. Consequently, they seldom survive more than a few years. River birch is very reliable and relatively problem free.)
Anthracnose (fungus)	Small, irregular to circular brown spots with dark margins.	Refer to the PDC Fact Sheet "Leaf Spot Diseases of Shade Trees and Ornamentals" for more information. Remove and destroy fallen leaves. If serious, use thiophanate-methyl. Make first application at bud breakand the second 10 to 14 days later. Under wet conditions, apply a third spray 10 to 14 days later.
Twig blight (fungi)	Small branches and twigs are killed.	See the PDC Fact Sheet "Twig Blights and Cankers".
University Outreach and Extension does not endorse commercial products. Follow the label on all pesticides.

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	Email: plantclinic@missouri.edu