Pierce's Disease
- Photograph of leaves
- "Xylella Fastidiosa Diseases and Their Leafhopper Vectors" (IFAS)
- Research (N. FL Research & Education Center)
DISEASE SYMPTOMS
- delayed leafing in the spring
- shoot dwarfing
- marginal scalding of leaves
- leaf mottling and interveinal chlorosis and necrosis
- wilting and premature coloring of fruit
- uneven maturity of canes
- eventual death of the root system
From IFAS Database (EDIS).
CAUSAL AGENT
- a fastidious bacterium, Xyllella fastidiosa
HOST RANGE
- grape
GEOGRAPHIC DISTRIBUTION
- southeastern United States
- California
- southern Ontario
SPREAD OF THE PATHOGEN and CONTROL OPTIONS
- spread by leafhoppers known as sharpshooters
- Control options: none.
Location: http://epi.ufl.edu/plant/piercesdisease.shtml