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GEUM DISEASES

By The Old House Web

GEUM DISEASES

Powdery mildew may be seen occasionally. Sprays of sulfur or benomyl control the white powdery coating caused by the disease.

Leaf spots are rare on geum. No chemical control is listed.

Downy mildew caused by Peronsporae potentillae may be an occasional problem. No chemical control is listed.

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