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Encyclopedia > Botrytis cinerea
How to read a taxoboxBotrytis
Botrytis cinerea on Riesling grapes
Botrytis cinerea on Riesling grapes
Scientific classification
Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Leotiomycetes
Order: Helotiales
Family: Sclerotinicaeae
Genus: Botryotinia
Species: B. fuckeliana
Binomial name
Botryotinia fuckeliana
(de Bary) Whetzel 1945

Botrytis cinerea is a fungus that affects many plant species, although its most economically important hosts are wine grapes[citation needed]. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold. The fungus gives rise to two different kinds of infections on grapes. The first, grey rot, is the result of consistently wet or humid conditions, and typically results in the loss of the affected bunches. The second, noble rot, occurs when drier conditions follow wetter, and can result in distinctive sweet dessert wines, such as Sauternes. The species name Botrytis cinerea is derived from the Latin for "grapes like ashes"; although poetic, the "grapes" disappointingly refers to the bunching of the fungal spores on their conidiophores, and "ashes" just refers to the greyish colour of the spores en masse. The fungus is usually referred to by its anamorph (asexual form) name, because the sexual phase is rarely observed. The teleomorph (sexual form) is an ascomycete, Botryotinia fuckeliana (see taxonomy box). This article explains how to read a taxobox. ... Image File history File linksMetadata Download high resolution version (1200x800, 319 KB) Summary Photographer: Tom Maack, Botrytis cinerea auf Riesling-Weinbeeren, Edelfäule / Botrytis cinerea on Riesling grapes, noble rot. ... For other uses, see Scientific classification (disambiguation). ... Divisions Chytridiomycota Zygomycota Glomeromycota Ascomycota Basidiomycota Deuteromycota For the fictional character, see Fungus the Bogeyman. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Classes Arthoniomycetes Chaetothyriomycetes Dothideomycetes Eurotiomycetes Laboulbeniomycetes Lecanoromycetes Leotiomycetes Orbiliomycetes Pezizomycetes Sordariomycetes mitosporic Pezizomycotina Pezizomycotina is a subphylum of the Ascomycota and was previously called the Euascomycota. ... Orders Capnodiales Cyttariales Erysiphales Helotiales Rhytismatales Thelebolales Leotiomycetes is a class of ascomycete fungi. ... Helotiales is an order of the Class Leotiomycetes within the Phylum Ascomycota. ... Botryotinia is a genus of ascomycete fungi causing several plant diseases. ... In biology, binomial nomenclature is the formal method of naming species. ... Year 1945 (MCMXLV) was a common year starting on Monday (the link is to a full 1945 calendar). ... Divisions Chytridiomycota Zygomycota Glomeromycota Ascomycota Basidiomycota Deuteromycota For the fictional character, see Fungus the Bogeyman. ... This article is about the alcoholic beverage. ... Species Vitis acerifolia Vitis aestivalis Vitis amurensis Vitis arizonica Vitis x bourquina Vitis californica Vitis x champinii Vitis cinerea Vitis x doaniana Vitis girdiana Vitis labrusca Vitis x labruscana Vitis lincecumii Vitis monticola Vitis mustangensis Vitis x novae-angliae Vitis palmata Vitis riparia Vitis rotundifolia Vitis rupestris Vitis shuttleworthii Vitis... wine grapes Viticulture (from the Latin word for vine) refers to the cultivation of grapes, often for use in the production of wine. ... The Latin words hortus (garden plant) and cultura (culture) together form horticulture, classically defined as the culture or growing of garden plants. ... Noble rot (French: La Pourriture Noble) is the benevolent form of a grey fungus, Botrytis cinerea, affecting wine grapes. ... Dessert wines are those wines which are typically served with dessert, although they are also drunk on their own, i. ... A half bottle of Sauternes from Château dYquem Sauternes is a type of dessert wine made from Sémillon, Sauvignon Blanc, and Muscadelle grapes that have been affected by Botrytis cinerea, also known as noble rot. ... Latin is an ancient Indo-European language originally spoken in Latium, the region immediately surrounding Rome. ... In biology, fungi are placed into particular taxa based on reproductive similarities. ... Fungi are placed into particular taxa based on reproductive similarities. ... Classes Archaeascomycetes Hemiascomycetes Euascomycetes Neolectomycetes Pezizomycotina Pneumocystidomycetes Saccharomycotina Schizosaccharomycetes Taphrinomycetes mitosporic Ascomycota Members of the Division Ascomycota are known as the Sac Fungi and are fungi that produce spores in a distinctive type of microscopic sporangium called an ascus (Greek for a bag or wineskin). This monophyletic grouping was formerly...


It is also an allergen.

Contents

Biology

Botrytis cinerea is characterized by abundant hyaline conida (asexual spores) borne on grey, branching tree-like conidiophores. The fungus also produces highly resistant sclerotia as survival structures in older cultures. It overwinters as sclerotia or intact mycelia, both of which germinate in spring to produce conidiophores. The conidia are dispersed by wind and rain-water and cause new infections. Conidia Conidia are asexual spores of a fungus. ... Conidiophore of Hyaloperonospora parasitica harboring several conidiospores Conidia on conidophores Conidia, or conidiospores, are asexual, non-motile spores of a fungus; they are also called mitospores due to the way they are generated through the cellular process of mitosis. ... A sclerotium is a compact mass of hardened mycelium (as an ergot) stored with reserve food material that in some higher fungi becomes detached and remains dormant until a favorable opportunity for growth occurs. ... Mycelium is the vegetative part of a fungus consisting of a mass of branching threadlike hyphae that exists below the ground or within another substrate. ...


A considerable genetic variability has been observed in different Botrytis cinerea strains (polyploidy). Look up strain in Wiktionary, the free dictionary. ... Polyploidy refers to cells or organisms that contain more than two copies of each of their chromosomes. ...


Gliocladium roseum is a fungal parasite of Botrytis cinerea.


Viticulture

In the Botrytis infection known as noble rot (pourriture noble in French, or Edelfäule in German) the fungus removes water from the grapes, leaving behind a higher percent of solids, such as sugars, fruit acids and minerals. This results in a more intense, concentrated final product. The wine is often said to have an aroma of honeysuckle and a bitter finish on the palate. Noble rot (French: La Pourriture Noble) is the benevolent form of a grey fungus, Botrytis cinerea, affecting wine grapes. ... Species Lonicera albiflora Lonicera arizonica Lonicera x bella Lonicera caerulea Lonicera canadensis Lonicera caprifolium Lonicera chrysantha Lonicera ciliosa Lonicera conjugialis Lonicera dioica Lonicera etrusca Lonicera flava Lonicera fragrantissima Lonicera x heckrottii Lonicera hirsuta Lonicera hispidula Lonicera interrupta Lonicera involucrata Lonicera japonica Lonicera korolkowii Lonicera maackii Lonicera x minutiflora Lonicera morrowii...


Botrytis complicates wine making by making fermentation more complex. Botrytis produces an anti-fungal that kills yeast and often results in fermentation stopping before the wine has accumulated sufficient levels of alcohol[citation needed]. Makers of fine German dessert wines have been known to take fermenting tubs of wine into their homes to nurture the yeast through the night to assure that the alcohol level reaches legal minimums for the product to be called wine[citation needed]. Yeast fermenting the wort at Makers Mark distillery, a step in the production of a distilled beverage. ...


Botrytis bunch rot is another condition of grapes caused by Botrytis cinerea that causes great losses for wine industry.


Horticulture

Botrytis cinerea affects many other plants. It is economically important on soft fruits such as strawberries. Unlike wine grapes, the affected strawberries are not edible and are discarded. To minimize infection in strawberry fields, good ventilation around the berries is important to prevent moisture being trapped among leaves and berries. This is accomplished by slighty elevating the strawberry plants from the soil using straw, rather than planting them directly on the ground. Image File history File links Download high-resolution version (751x940, 156 KB) Picture taken by myself: (nl:Aardbei Lambada vruchtrot) strawberry fruit rot Botrytis cinerea; Fragaria File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Botrytis cinerea ... Image File history File links Download high-resolution version (751x940, 156 KB) Picture taken by myself: (nl:Aardbei Lambada vruchtrot) strawberry fruit rot Botrytis cinerea; Fragaria File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Botrytis cinerea ... Species 20+ species; see text The strawberry (Fragaria) is a genus of plants in the family Rosaceae, and the fruit of these plants. ...


External links

Wikimedia Commons has media related to:
Botrytis cinerea

Image File history File links Commons-logo. ... Wikimedia Commons logo by Reid Beels The Wikimedia Commons (also called Commons or Wikicommons) is a repository of free content images, sound and other multimedia files. ...

References

  • thewinedoctor.com[1]
  • Bortytis cinerea genetic variability[2][3]

  Results from FactBites:
 
Botrytis cinerea (928 words)
Botrytis cinerea (the asexual stage of the teleomorph Botryotinia fuckeliana) is one of the principal pathogenic fungi of grapevines, and is responsible for major viticulture losses in France and the rest of Europe.
cinerea causes infections characterized by rapid destruction (maceration, necrosis) of the tissues of its plant host as it colonies it (necrotrophy).
cinerea is therefore an excellent model for the study of this type of infectious process which is characteristic of numerous fungal diseases of plants.
Botrytis cinerea (928 words)
Botrytis cinerea (the asexual stage of the teleomorph Botryotinia fuckeliana) is one of the principal pathogenic fungi of grapevines, and is responsible for major viticulture losses in France and the rest of Europe.
cinerea causes infections characterized by rapid destruction (maceration, necrosis) of the tissues of its plant host as it colonies it (necrotrophy).
cinerea is therefore an excellent model for the study of this type of infectious process which is characteristic of numerous fungal diseases of plants.
  More results at FactBites »

 
 

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