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Grape black rot is a fungal disease caused by an ascomycetous fungus, Guignardia bidwellii, that attacks grape vines during hot and humid weather. “Grape black rot originated in eastern North America , but now occurs in portions of Europe , South America , and Asia .
Armillaria root rot (shoestring root rot) Armillaria mellea Rhizomorpha subcorticalis [anamorph] Aspergillus rot Aspergillus niger: Black rot of grapes Guignardia bidwellii: Botrytis (Grey Rot or Noble Rot) Botrytis cinerea: Bot canker Lasiodiplodia theobromae. Botryosphaeria rhodina (anamorph) Ripe rot [2] Colletotrichum acutatum species ...
Black rot is a name used for various diseases of cultivated plants caused by fungi or bacteria, producing dark brown discoloration and decay in the leaves of fruit and vegetables: A disease of the apple, pear and quince caused by a fungus ( Botryosphaeria obtusa or Physalospora cydoniae )
Black rot is a disease estimated to affect 95% of all eastern grape vineyards. The USDA estimates it could reduce yields by 85% if left untreated. [15] Black rot is spread through spores left in the mummied grapes infected the year before. Upon infection the grapes shrivel up and turn black. [79]
A fungas based grape disease also known as "gray rot". Cultivar A cultivated grape variety. Used mainly in South African viticulture. Curtain The portion of a grapevine's canopy that holds the current year's growth of fruit and foliage. Depending on the vine training system used, the current may be closed or split and oriented to grow upwards ...
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".
Phomopsis cane and leaf spot is a disease that causes symptoms in the common grapevine species, Vitis vinifera, in many regions of the world. [2] This disease is mainly caused by the fungal pathogen, Phomopsis viticola, and is known to affect many cultivars of table grapes, such as Thompson Seedless, Red Globe, and Flame Seedless. [3]
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