Effects of interaction of UV-B radiation and water deficit on phenolic compounds in 'Pinot Noir' fruit
文献类型： 外文期刊
作者： Sun, Meng 1 ; Jordan, B. 1 ; Hofmann, R. 1 ; Creasy, G. 3 ;
作者机构： 1.Lincoln Univ, Fac Agr & Life Sci, Ctr Viticulture & Oenol, Christchurch 7647, New Zealand
2.Jiangsu Acad Agr Sci JAAS, Nanjing, Jiangsu, Peoples R China
3.Sabrosia SAS, Pompignan, France
关键词： UV-B radiation; water deficit; skin total phenolics; skin anthocyanin; skin tannins; seed tannins; Vitis vinifera 'Pinot Noir'
期刊名称：VITIS （ 影响因子：1.182； 五年影响因子：1.38 ）
ISSN： 0042-7500
年卷期： 2022 年 61 卷 1 期
页码：
收录情况： SCI
摘要： Environmental issues (high UV-B radiation and water deficit) can challenge 'Pinot Noir' growth in New Zealand. The aim of this work is to determine separated and combined UV-B and water deficit effects on phenolic composition of 'Pinot Noir' fruit. In 2016-2017 vintage, two rows of 'Pinot Noir' grapevines in the West Vineyard at Lincoln University were chosen for the study. In comparison to exposure to natural UV-B in the vineyard, the potted vines were put into a glasshouse for the experiments. When berries were directly exposed to UV-B and water deficit, skin anthocyanin and skin total phenolics accumulated to a greater degree in the berry skins. The combined stresses caused larger increases in contents of skin total phenolics than the water deficit in the vineyard and glasshouse. Skin tannin contents were increased by UV-B and water deficit, but there were no consistent changes in seed tannin contents between treatments during ripening and no statistically significant differences between treatments at harvest. This research reported that canopy management (UV-B exposure) interacting with a moderate water deficit may be a good way for vineyard management to increase the accumulation of anthocyanins and tannins in berry skins.
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