Citrus Scab
Pathogen
- Caused by the fungus Elsinoë fawcettii
Leaf Symptoms
- Finger-like protrusions with tan lesions on the end, especially Temple, with a tan-to-gray pustule at the tip.
Fruit Symptoms
- Start with slightly raised pink-brown lesions that develop into warty or corky protuberances that can crack
- The color changes to yellowish brown to dark gray
Varieties Affected
Grapefruit, Temples, Murcott, Tangelos and some other Tangerine hybrids
Learn more: A Guide to Citrus Disease Identification
Management
- Commercial grove management practices are reviewed and updated annually in the Florida Citrus Production Guide.
- The Quick Reference Guide to Foliar Fungicides is updated annually and available as a downloadable PDF.
