Post-veraison different frequencies of water deficit strategies enhance Reliance grapes quality under root restriction

文献类型： 外文期刊

第一作者： Leng, Feng

作者： Leng, Feng;Zhou, Jialing;Sun, Liping;Zhang, Yue;Li, Youmei;Xie, Zhaosen;Wang, Chengyang;Wang, Lei;Wang, Shiping;Zhang, Xianan

作者机构：

关键词： Vitis vinifera L.; Post-veraison; Water deficit; Primary and secondary metabolites

期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）

ISSN： 0308-8146

年卷期： 2022 年 390 卷

页码：

收录情况： SCI

摘要： In this study, two water deficit treatments in the same amount of water but with different frequencies (T1: 2.5 L per 4 d and T2: 5 L per 8 d) were performed on Reliance grapevines from veraison until harvest to explore their effects on grape berries quality under root restriction. Results showed that glucose, fructose and sucrose contents were increased, while malic acid, tartaric acid and citric acid contents were decreased under two treatments. Meanwhile, water deficits also promoted the accumulation of phenylalanine and proline. For phenols, anthocyanins, resveratrol and flavonols contents in the water deficit groups were significantly higher than those in the control group. In addition, two water deficit treatments increased the characteristic aromas contents, especially the esters contents. Overall, T2 treatment had a better effect than T1 treatment. This study provided an idea for improving water use efficiency and grape quality.

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