Grapevine leaf rust

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

Scientific name: Phakopsora euvitis
EPPRD Category: 3
Life Form: Fungus