Over watering which leads to succulent growth, becomes worse as warm weather promotes even more soft growth. Prevention Minimize watering frequency to slow succulent growth DO NOT water at night. Moisture and cool temperatures invite fungal diseases . DO NOT over water or over fertilize as this will encourage rapid succulent growth which is vulnerable to fungal diseases.
Mow winter lawns when grass is dry to minimize spread of disease.
In addition, you increase the likelihood of spreading the fungus on the tires of the mower and on your shoes Treatment Promptly treat with recommended fungicides. The University of Arizona , College of Agriculture , Cooperative Extension , in Maricopa County .