Diseases Flashcards

1
Q

What is coulure?

A

is a viticultural hazard that is the result of metabolic reactions to weather conditions that causes a failure of grapes to develop after flowering. … Coulure is triggered by periods of cold, cloudy, rainy weather or very high out-of-season temperatures.

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2
Q

What is millerandage?

A

Millerandage is a potential viticultural hazard problem in which grape bunches contain berries that differ greatly in size and, most importantly, maturity. Caused by poor fertilization of grape flowers mostly due to poor weather conditions or nutrition defecits.

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