| The Effect of Canopy Management on Yield and Fruit Composition of Noiret Wine Grape (Vitis sp.) | |
Abstract/OtherAbstract
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Noiret is a complex interspecific hybrid red wine grape (Vitis sp.) released by Cornell University in 2006 for cold-climate growers. Shoot thinning (ST), before capfall, to 15 shoots per meter and basal leaf removal (BLR) to 75% visual exposure of pea-sized berries were performed separately and in combination (ST/BLR) and tested versus control vines of field-grown vertically shoot positioned Noiret grapevines. Vine size was excessive in this experiment and crop load ratios (yield/pruning weights) ranged from 1.9 to 2.2. Using point quadrat analysis, it was determined that BLR and ST/BLR improved cluster exposure versus ST, but there were no differences from the control. All treatments were similar in soluble solids, titratable acidity, and pH except shoot thinning which lowered the pH to 3.76 versus 3.84 in the control. Canopy management treatments did not affect total phenolics, flavonols, tartaric esters, anthocyanins, color density, or hue. This work shows that the canopy management tools used were minimal in their effects, likely due to the excessive vigor of the vines. |
Authors
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Riccardi, Benjamin |
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Contributors
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Publication Detail
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Publisher : - Type : Thesis Format : - |
Date Detail
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2008-07-07, 2008-07-07, 2008-07-07 |
Subject
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Noiret, hybrid, canopy management, shoot thinning, leaf removal |
Coverage
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Relation
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Source
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Copyright Information
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Other Details
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Languages : en_US |
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