Black rot

Photo: Matthew Zidek, Texas A&M Agrilife Extension Service, Bugwood.org

A fungus that affects all green tissues of the grapevine, including the fruit
Can result in complete crop losses in warm and humid growing regions
Can spread easily over long distances through water and wind-borne spores, as well as through propagation material and fruit
Present in North America, Asia, Africa, Europe and South America

High priority pest of: Dried fruit, Table grapes, Wine grapes

Scientific name: Guignardia bidwellii
EPPRD Category: 3
Life Form: Fungus