List Of Grape Diseases
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List Of Grape Diseases
This is a list of diseases of grapes (''Vitis'' spp.). Bacterial diseases Fungal diseases Miscellaneous diseases and disorders Nematodes, parasitic Phytoplasma, virus and viruslike diseases See also *'' Ampeloglypter ater'' *'' Ampeloglypter sesostris'' *'' Ampelomyia viticola'' *''Eupoecilia ambiguella'' *Great French Wine Blight *Japanese beetle * List of Lepidoptera that feed on grapevines *''Maconellicoccus hirsutus'' *'' Otiorhynchus cribricollis'' *''Paralobesia viteana'' *'' Pseudococcus maritimus'' *'' Pseudococcus viburni'' *''Zenophassus'' References External links Diseases of Grapevines information from Cooperative Extension Common Names of Diseases, The American Phytopathological Society* ttp://arquivo.pt/wayback/20160523145652/http://winegrapes.wsu.edu/virology/ virus diseases of the grapevine {{Viticulture * Grape A grape is a fruit, botanically a berry, of the deciduous woody vines of the flowering plant genus '' Vitis''. Grapes are a non- ...
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Phylloxera Cartoon
Grape phylloxera is an insect pest of commercial grapevines worldwide, originally native to eastern North America. Grape phylloxera (''Daktulosphaira vitifoliae'' (Fitch 1855) belong to the family Phylloxeridae, within the order Hemiptera, bugs); originally described in France as ''Phylloxera vastatrix''; equated to the previously described ''Daktulosphaera vitifoliae'', ''Phylloxera vitifoliae''. The insect is commonly just called phylloxera (; from grc, φύλλον, leaf, and , dry). These almost microscopic, pale yellow sap-sucking insects, related to aphids, feed on the roots and leaves of grapevines (depending on the phylloxera genetic strain). On ''Vitis vinifera'', the resulting deformations on roots ("nodosities" and "tuberosities") and secondary fungal infections can girdle roots, gradually cutting off the flow of nutrients and water to the vine.Wine & Spirits Education Trust ''"Wine and Spirits: Understanding Wine Quality"'' pgs 2-5, Second Revised Edition (2012), ...
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Armillaria Mellea
''Armillaria mellea'', commonly known as honey fungus, is a basidiomycete fungus in the genus ''Armillaria''. It is a plant pathogen and part of a cryptic species complex of closely related and morphologically similar species. It causes Armillaria root rot in many plant species and produces mushrooms around the base of trees it has infected. The symptoms of infection appear in the crowns of infected trees as discoloured foliage, reduced growth, dieback of the branches and death. The mushrooms are edible but some people may be intolerant to them. This species is capable of producing light via bioluminescence in its mycelium. ''Armillaria mellea'' is widely distributed in temperate regions of the Northern Hemisphere. The fruit body or mushroom, commonly known as stump mushroom, stumpie, honey mushroom, pipinky or pinky, grows typically on hardwoods but may be found around and on other living and dead wood or in open areas. Taxonomy The species was originally named ''Agaricus m ...
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Apoplexy
Apoplexy () is rupture of an internal organ and the accompanying symptoms. The term formerly referred to what is now called a stroke. Nowadays, health care professionals do not use the term, but instead specify the anatomic location of the bleeding, such as cerebral, ovarian or pituitary. Informally or metaphorically, the term ''apoplexy'' is associated with being furious, especially as "apoplectic". Historical meaning From the late 14th to the late 19th century,''OED Online'', 2010, Oxford University Press. 7 February 2011 ''apoplexy'' referred to any sudden death that began with a sudden loss of consciousness, especially one in which the victim died within a matter of seconds after losing consciousness. The word ''apoplexy'' was sometimes used to refer to the symptom of sudden loss of consciousness immediately preceding death. Ruptured aortic aneurysms, and even heart attacks and strokes were referred to as apoplexy in the past, because before the advent of medical science, t ...
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Chlorosis
In botany, chlorosis is a condition in which leaves produce insufficient chlorophyll. As chlorophyll is responsible for the green color of leaves, chlorotic leaves are pale, yellow, or yellow-white. The affected plant has little or no ability to manufacture carbohydrates through photosynthesis and may die unless the cause of its chlorophyll insufficiency is treated and this may lead to a plant diseases called rusts, although some chlorotic plants, such as the albino ''Arabidopsis thaliana'' mutant ''ppi2'', are viable if supplied with exogenous sucrose. The word ''chlorosis'' is derived from the Greek ''khloros'' meaning "greenish-yellow", "pale green", "pale", "pallid", or "fresh". In viticulture, the most common symptom of poor nutrition in grapevines is the yellowing of grape leaves caused by chlorosis and the subsequent loss of chlorophyll. This is often seen in vineyard soils that are high in limestone such as the Italian wine region of Barolo in the Piedmont, the Spanish w ...
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Wood-decay Fungus
A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot. Some species of wood-decay fungi attack dead wood, such as brown rot, and some, such as ''Armillaria'' (honey fungus), are parasitic and colonize living trees. Excessive moisture above the fibre saturation point in wood is required for fungal colonization and proliferation. In nature, this process causes the breakdown of complex molecules and leads to the return of nutrients to the soil. Wood-decay fungi consume wood in various ways; for example, some attack the carbohydrates in wood and some others decay lignin. The rate of decay of wooden materials in various climates can be estimated by empirical models.Viitanen, T. et al. (2010). Towards modelling of decay risk of wooden materials. European Journal of Wood and Wood Products 68:303-313. Wood-decay fungi can be classified according to the type of decay that they cause. The best-known types are brown rot, soft rot, and whi ...
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Colletotrichum Gloeosporioides
''Glomerella cingulata'' is a fungal plant pathogen, being the name of the sexual stage ( teleomorph) while the more commonly referred to asexual stage (anamorph) is called ''Colletotrichum gloeosporioides''. For most of this article the pathogen will be referred to as ''C. gloeosporioides.'' This pathogen is a significant problem worldwide, causing anthracnose and fruit rotting diseases on hundreds of economically important hosts. Hosts and symptoms ''C. gloeosporioides'' has an extremely broad host range, causing anthracnose disease on a variety of crops such as cereals and grasses, legumes, fruits, vegetables, perennial crops, and trees. It has been observed as infecting harvested durian of the species ''Durio graveolens''. Some studies suggest that ''C. gloeosporioides'' has sub-populations specific to each host.Nelson, C. Scot "Mango Anthracnose (''Colletotrichum gloeosporioides'')" University of Hawaii at Manoa cooperative extension service. Aug. 2008 The symptoms can var ...
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Colletotrichum Fioriniae
''Colletotrichum fioriniae'' is a fungal plant pathogen and endophyte of fruits and foliage of many broadleaved plants worldwide. It causes diseases on agriculturally important crops, including anthracnose of strawberry, ripe rot of grapes, bitter rot of apple, anthracnose of peach, and anthracnose of blueberry. Its ecological role in the natural environment is less well understood, other than it is a common leaf endophyte of many temperate trees and shrubs and in some cases may function as an entomopathogen. Taxonomic history ''C. fioriniae'' was formally described as a variety of '' Colletotrichum acutatum'' in 2008, and as its own species shortly thereafter. However, while it had not previously been recognized as a separate species, when grown on potato dextrose agar it produces a distinct pink to maroon red color on the bottom side and was described in historical studies as "chromogenic" isolates of ''Glomerella cingulata''. It is currently recognized as a species within ...
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Species Complex
In biology, a species complex is a group of closely related organisms that are so similar in appearance and other features that the boundaries between them are often unclear. The taxa in the complex may be able to hybridize readily with each other, further blurring any distinctions. Terms that are sometimes used synonymously but have more precise meanings are cryptic species for two or more species hidden under one species name, sibling species for two (or more) species that are each other's closest relative, and species flock for a group of closely related species that live in the same habitat. As informal taxonomic ranks, species group, species aggregate, macrospecies, and superspecies are also in use. Two or more taxa that were once considered conspecific (of the same species) may later be subdivided into infraspecific taxa (taxa within a species, such as bacterial strains or plant varieties), that is complex but it is not a species complex. A species complex is in most ca ...
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Colletotrichum Acutatum
''Colletotrichum acutatum'' is a plant pathogen and endophyte. It is the organism that causes the most destructive fungal disease, anthracnose, of lupin species worldwide. It also causes the disease postbloom fruit drop on many varieties of citrus, especially Valencia and navel oranges in Florida.N.A. Peres and M.M. Dewdney, (2016). 2016 Florida Citrus Pest Management Guide: Ch. 22 "Postbloom Fruit Drop" Publication #PP-45, University of Florida IFAS Extension. Host and symptoms ''Colletotrichum acutatum'' has a broad host range, but is most important in strawberries. ''C. acutatum'' on strawberries. The pathogen causes black spot of fruit, but can also be seen attacking the plant at its crowns, roots and leaves. After planting, stunting and yellowing as well as wilting may occur. General symptoms of the disease in other plants can also be seen on flowers, petioles, and roots. Stems are also a prominent place to see symptoms. Lesions on the stem can appear dark colored, oval s ...
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Botryosphaeria Rhodina
''Lasiodiplodia theobromae'' is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. It is a common post harvest fungus disease of citrus known as stem-end rot. It is a cause of bot canker of grapevine.Identification and Pathogenicity of Lasiodiplodia theobromae and Diplodia seriata, the Causal Agents of Bot Canker Disease of Grapevines in Mexico. J. R. Úrbez-Torres, G. M. Leavitt, J. C. Guerrero, J. Guevara and W. D. Gubler, Plant Disease, April 2008, Volume 92, Number 4, pages 519-529, It also infects ''Biancaea sappan'', a species of flowering tree also known as Sappanwood. On rare occasions it has been found to cause fungal keratitis, lesions on nail and subcutaneous tissue. It has been implicated in the widespread mortality of baobab (''Adansonia digitata'') trees in Southern Africa. A preliminary study found the deaths to have a complex set of causes requiring detailed research. Host and symptoms ''L. theobromae'' ca ...
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Lasiodiplodia Theobromae
''Lasiodiplodia theobromae'' is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. It is a common post harvest fungus disease of citrus known as stem-end rot. It is a cause of bot canker of grapevine.Identification and Pathogenicity of Lasiodiplodia theobromae and Diplodia seriata, the Causal Agents of Bot Canker Disease of Grapevines in Mexico. J. R. Úrbez-Torres, G. M. Leavitt, J. C. Guerrero, J. Guevara and W. D. Gubler, Plant Disease, April 2008, Volume 92, Number 4, pages 519-529, It also infects ''Biancaea sappan'', a species of flowering tree also known as Sappanwood. On rare occasions it has been found to cause fungal keratitis, lesions on nail and subcutaneous tissue. It has been implicated in the widespread mortality of baobab (''Adansonia digitata'') trees in Southern Africa. A preliminary study found the deaths to have a complex set of causes requiring detailed research. Host and symptoms ''L. theobromae'' ca ...
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Botrytis Cinerea
''Botrytis cinerea'' is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. 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 or the Aszú of Tokaji/Grasă de Cotnari. The species name ''Botrytis cinerea'' is derived from the Latin for "grapes like ashes"; although poetic, the "grapes" 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 ...
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