Applied water and mechanical canopy management affect berry and wine phenolic and aroma composition of grapevine (Vitis vinifera L., cv. Syrah) in Central California

Applied water and mechanical canopy management affect berry and wine phenolic and aroma... •Irrigation treatments had no impact on canopy architecture, but mechanical canopy management treatments were effective in controlling it.•Stronger plant water stress between fruit set and veraison reduced yield, with greater anthocyanin, tannin and total phenolics in berry; the results were confirmed in wine with greater β-damascenone.•Higher amount of precipitation at fruit set increased concentration of 3-isobutyl-2-methoxypyrazine, but the concentration of terpenes and norisoprenoids was lower.•In typical years, where no precipitation is received in the SJV of California during the season, light mechanical shoot thinning and water stress between fruit set and veraison contributed to improved berry and wine phenolics as well as reducing IBMP in wine. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Scientia Horticulturae Elsevier

Applied water and mechanical canopy management affect berry and wine phenolic and aroma composition of grapevine (Vitis vinifera L., cv. Syrah) in Central California

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0304-4238
eISSN
1879-1018
D.O.I.
10.1016/j.scienta.2017.09.048
Publisher site
See Article on Publisher Site

Abstract

•Irrigation treatments had no impact on canopy architecture, but mechanical canopy management treatments were effective in controlling it.•Stronger plant water stress between fruit set and veraison reduced yield, with greater anthocyanin, tannin and total phenolics in berry; the results were confirmed in wine with greater β-damascenone.•Higher amount of precipitation at fruit set increased concentration of 3-isobutyl-2-methoxypyrazine, but the concentration of terpenes and norisoprenoids was lower.•In typical years, where no precipitation is received in the SJV of California during the season, light mechanical shoot thinning and water stress between fruit set and veraison contributed to improved berry and wine phenolics as well as reducing IBMP in wine.

Journal

Scientia HorticulturaeElsevier

Published: Jan 3, 2018

References

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