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The scuppernong is a large variety of muscadine (Vitis rotundifolia), [1] a species of grape native to the southern United States. It is usually a greenish or bronze color and is similar in appearance and texture to a white grape, but rounder and larger.
Those symptoms are related to callose deposition at the sieve plates and subsequent degeneration of the phloem. Although no resistant cultivars of Vitis vinifera or rootstocks are known so far, the various grape varieties differ considerably as far as symptom severity is concerned. Chardonnay and Riesling are among the most vulnerable varieties.
This list of grape varieties includes cultivated grapes, whether used for wine, or eating as a table grape, fresh or dried (raisin, currant, sultana). For a complete list of all grape species, including those unimportant to agriculture, see Vitis .
Grape seed extract is an industrial derivative of whole grape seeds. The extract (GSPE) contains proanthocyanidins. [1] Grape seed extract quality is measured by the content of procyanidins which are formed from proanthocyanidins. [2] Generally, grape seed extract quality contains 95% procyanidins, but potency varies among products. [3]
Eriophyes vitis. Eriophyes vitis, also known as grape erineum mite or blister mite, is a mite species in the genus Eriophyes infecting grape leaves (Vitis vinifera). E. vitis has spread worldwide and has three distinct strains: a leaf-curling strain, a blister-causing strain, and a strain that stunts the growth of buds. [1]
Vitis rotundifolia, or muscadine, [1] is a grapevine species native to the southeastern and south-central United States. [2] The growth range extends from Florida to New Jersey coast, and west to eastern Texas and Oklahoma. [3]
Growth stage Code Description 0: Sprouting/Bud development 00: Dormancy: winter buds pointed to rounded, light or dark brown according to cultivar; bud scales more or less closed according to cultivar
Vitis vinifera, the common grape vine, is a species of flowering plant, native to the Mediterranean region, Central Europe, and southwestern Asia, from Morocco and Portugal north to southern Germany and east to northern Iran. [2]