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Fruit Maturity and Juice Extraction Influences Ellagic Acid Derivatives and Other Antioxidant Polyphenolics in Muscadine Grape.
Although many species and sub-species of grapes are indigenous to Texas (10), early commercial production efforts in Texas failed for several reasons. Yields were generally less than commercially acceptable because of poor vineyard management and poorly adapted cultivars (9).
Euvitis - "True grapes"; elongated clusters, berries that adhere to stems at maturity, forked tendrils, loose bark that detaches in long strips, and diaphragms in pith at nodes.
The alkali-soluble xyloglucan (XGO-2) from exocarp and mesocarp was composed of Glc:Xyl:Gal:Fuc in a molar ratios of 4:1.7:1;8:0.4 and 4:1.5:2.5:0.5, respectively.
muscadine grape Vitaceae Vitis rotundifolia Leaf:Alternate, simple, cordate to orbicular, coarsely serrated, may be 3 lobed, 4 to 6 inches long, green above, hairless greenish yellow below. Flower:Small, greenish-white appearing in axillary panicles in late spring.
Also called bird's-eye rot, anthracnose on grapes reduces berry quality and may weaken the vine. The disease can be particularly severe in the southeastern United States due to the warm, humid weather.
Edited by R.C. Pearson and A.C. Goheen SCROLL DOWN TO ORDER THIS TITLE. Of interest to everyone who works with grapes. Includes sections on cultural practices and selection of planting material.
GRAPE POWDERY MILDEW IS A THREAT EVEN IN A DRY YEAR By John Hartman, Plant Pathology Although drought and absence of rainy weather has slowed the development of many grape diseases in Kentucky this year, powdery mildew is not slowed by lack of rain.