Michigan State University Extension
Ornamental Plants plus Version 3.0 - 00000661
11/12/99
GERANIUM DISEASE PROBLEMS
Bacterial leaf spots can be caused by Pseudomonas erodii
and Xanthomonas pelargonii. Remove spotted leaves
when they are seen.
Leaf spots may be caused by several fungi, however few of
these fungi will be seen.
Powdery mildew causes a white coating on the leaves.
Related information.
Pesticide Recommendations
Powdery Mildew
Fungal and Bacterial Leaf Diseases
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This file was generated from data base ZZ on 01/19/00.
Data base ZZ was last revised on 11/12/99.
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