 Photo: Yuan-Min Shen, Taichung District Agricultural Research and Extension Station, www.Bugwood.org |
- A fungus that mainly occurs in warm temperate and subtropical growing regions
- Infection mainly affects leaves, but can also affect fruit, stems and canes
- Results in early senescence and leaf drop, which causes weakening of the grapevine and a reduction in fruit quality and quantity
- Can spread easily over long distances through wind-borne spores
- Present throughout Asia, North America, Central America and South America
|
