Initial Response of ‘Concord’ and ‘Sunbelt’ Grapes to Pruning and Fruit Thinning
نویسندگان
چکیده
منابع مشابه
Physiology of Minimal versus Normal Pruning of Concord Grapes
With the economic pressures for high yields and production efficiency, there has been increasing use of the method of minimal or mechanical pruning due to its reduced inputs and higher yields. Yet, many times the yields on minimally-pruned vines may be too high for the juice Brix and quality required by the industry. Since this production method changes many of the basic relationships we have d...
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Oxidative stress, caused by free radicals in the body, can have a damaging effect on the brain.12 The brain is particularly vulnerable to oxidative damage because of its high use of oxygen relative to its size and few antioxidant defense systems, among other factors.12 Oxidative damage can affect enzymatic activities in many proteins including glutamine synthetase, which converts glutamate to g...
متن کاملConcord Grapes and Cardiovascular Health
A study by Freedman et al. in 2001 (Circulation) investigated 20 healthy adults who drank Welch’s Purple Grape Juice (7 mL/kg/d) for 14 days. Compared to baseline, after two weeks of juice consumption, platelet aggregation (clotting) was inhibited and superoxide (a free radical) release was decreased. In addition, drinking grape juice stimulated the production of nitric oxide by platelets – w...
متن کاملEffect of Mechanical Pruning on Yield and Quality of 'Concord' Grapes
After mechanical harvesting of 'Concord' grapes was totally implemented, the most time-consuming vineyard operation in Arkansas became pruning. Grape producers complain of decreasing availability of qualified labor for pruning and tieing, and feel that pruning should be the next operation mechanized. Single and double curtain vines were established in a 14-year-old vineyard at the Main Station,...
متن کاملUneven Ripening of 'Concord' Grapes
For production of high quality grape berries, the whole cluster should ripen at one time. The lack of uniform ripening within a cluster is termed "uneven ripening," and is characterized by the presence of green berries in an otherwise mature ripe cluster. Uneven ripening of 'Concord' is a major problem in the South, often prohibiting production. Northwest Arkansas is the southern boundary for c...
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ژورنال
عنوان ژورنال: HortTechnology
سال: 2009
ISSN: 1063-0198,1943-7714
DOI: 10.21273/hortsci.19.2.368