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bunch rot

Frequent and worldwide occurring vine disease in the vineyard, mostly by different microorganisms as bacteria. yeasts and molds is caused. Grape rot is also favored by nutrient deficiency of the vine during growth such as nitrogen, Even very compact grapes with closely together berries are potentially endangered. There are different types of rot like green rot, Pink pillar, gray pillar ( Botrytis ) black rot and white rot, A vineyard that has been attacked over a large area then has a typically moldy and stuffy odor. A wine obtained from such affected grapes has the wine error Schimmel taste,

Grape rot - gray rot (botrytis), green rot, black rot, vinegar blight

One differentiates in primary infestation of healthy berries by the molds Aspergillus. Botrytis. Cladosporium. Penicillium and Trichothecium, as well as secondary infestation by Schad birds. insects and weather (Hail, rain, lightning) or berries damaged by primary attack. On the damaged berries can also additionally the acid rot occur. Grape rot is especially during the vintage feared. Only and only desired is the white grapes only if necessary noble rot (Botrytis). Against the different mushrooms become in the vineyard specific fungicides used. False flavors get through rotten grapes into the wine activated carbon fought. See also other diseases below Vine enemies,

Gray Pitch: By Tom Maack Tom , CC By -SA 3.0 , Link
Green Column: By Bauer Karl - Own Work, CC BY 3.0 at , Link
Black rot: By Daniel Molitor, CC BY 2.0 de , Link
Vinegar Blight: By Bauer Karl - Own Work, CC BY 3.0 at , Link

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