Cutting-edge research at the University of Missouri may lead to a cure for summer bunch rot — here's what you need to know in the meantime.VINEYARDS IN THE U.S. and throughout the rest of the world have a common enemy: sour rot. Also known as summer bunch rot, the infected grapes crack, ooze, and break down. While thin-skinned and tight-cluster grape varieties are particularly susceptible to this disorder, under the right conditions it can strikevulnerable grapes at any time.
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