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The largest wine encyclopedia in the world

23.054 Keywords • 48.241 Synonyms • 5.303 Translations • 28.360 Pronunciations • 154.988 Cross-references

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bunch rot

Common and worldwide vine disease in the vineyard, mostly due to various microorganisms how bacteria. yeasts and molds is caused. Grape rot is also favored by a lack of nutrients in the vine during growth such as nitrogen, Particularly compact grapes with closely spaced berries are also potentially at risk. There are different types of putrefaction such as green rot, Pink rot, gray rot ( Botrytis ) black rot and white rot, A large-scale infested vineyard then has a typical moldy and stuffy smell that can be perceived from afar. A wine made from such infested grapes has the wine defect Schimmel taste,

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

A distinction is made in the primary infestation of healthy berries by the mold Aspergillus. Botrytis. Cladosporium. Penicillium and Trichothecium, and secondary infestation by Schad birds. insects and weather (Hail, rain, lightning) or berries damaged by primary infestation. On the damaged berries you can also add the acid rot occur. Grape rot is especially during the vintage feared. Only with white grapes is the only desired if necessary noble rot (Botrytis). Against the different mushrooms are specific in the vineyard fungicides used. Bad aromas that get into the wine due to rotten grapes are eliminated activated carbon fought. See also other diseases below Vine enemies,

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

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