Relative Vigor Following a Severe Freeze of 18 Wine-grape Varieties at Brownfield, Texas
نویسندگان
چکیده
منابع مشابه
Influence of vine vigor on grape (Vitis vinifera L. Cv. Pinot Noir) and wine proanthocyanidins.
The relationships between variations in grapevine (Vitis vinifera L. cv. Pinot noir) growth and resulting fruit and wine phenolic composition were investigated. The study was conducted in a commercial vineyard consisting of the same clone, rootstock, age, and vineyard management practices. The experimental design involved monitoring soil, vine growth, yield components, and fruit composition (so...
متن کاملWine by-products: phenolic characterization and antioxidant activity evaluation of grapes and grape pomaces from six different French grape varieties.
Grenache, Syrah, Carignan Noir, Mourvèdre, Counoise and Alicante Bouchet grape seeds and skins, harvested in 2009 and 2010 in the Rhône valley area of France, and their respective pomaces remaining after vinification, were analyzed for their phenolic composition and antioxidant activity. The polyphenol content was quantified by HPLC and the Folin-Ciocalteu assay. The antioxidant potential was m...
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Methods and results: Anthocyanins and PAs were analyzed by HPLC in three wine varieties during maceration time (20 days). The results showed that anthocyanin extraction followed the same kinetics for the three varieties. In the case of PAs, Syrah must-wine showed the highest concentration of these compounds, which were seen to be mainly skin-derived. Monastrell must-wine presented the lowest co...
متن کاملRelative Prevalence of Grapevine Leafroll-Associated Virus Species in Wine Grape-Growing Regions of California
Some diseases manifest as one characteristic set of symptoms to the host, but can be caused by multiple pathogens. Control treatments based on plant symptoms can make it difficult to effectively manage such diseases, as the biology of the underlying pathogens can vary. Grapevine leafroll disease affects grapes worldwide, and is associated with several viral species in the family Closteroviridae...
متن کاملGrape and Wine Metabolites: Biotechnological Approaches to Improve Wine Quality
Grape metabolites can be affected by many extrinsic and intrinsic factors, such as grape variety, ripening stage, growing regions, vineyard management practices, and edaphoclimatic conditions. However, there is still much about the in vivo formation of grape metabolites that need to be investigated. The winemaking process also can create distinct wines. Nowadays, wine fermentations are driven m...
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ژورنال
عنوان ژورنال: HortScience
سال: 1995
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.30.4.845a