Botrytis cinerea

Botrytis cinerea is a necrotrophic fungus in the family Sclerotiniaceae, whose sexual stage is known as Botryotinia fuckeliana. It causes the disease commonly called grey mould in general horticulture and botrytis bunch rot in winemaking, and it can attack more than two hundred plant species across temperate and subtropical regions. Its major hosts include wine grapes, strawberries, raspberries, blackberries, tomatoes and other vegetable crops, where it infects flowers, leaves, fruit and stored produce, producing large numbers of airborne spores from branching conidiophores that give infected tissue a grey, fuzzy appearance. The fungus survives adverse conditions as hardened resting structures called sclerotia and thrives in moist, humid weather. On wine grapes it usually causes destructive grey rot, but under a particular combination of humidity and drying it instead produces the desirable noble rot prized in dessert wines such as Sauternes and Tokaji. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/