Exploring mechanical summer pruning patterns of wine grapes in Northwest China: Effects of different canopy thickness on grape berry and wine aroma characteristics

文献类型： 外文期刊

第一作者： Zhang, Liang

作者： Zhang, Liang;Liang, Yating;Bian, Lu;Xu, Yan;Xu, Tengfei;Tao, Xiaoqing;Meng, Jiangfei;Wang, Jinfeng;Zhang, Fuchun

作者机构：

关键词： Canopy thickness; Aroma compounds; Mechanical summer pruning; Grape; Wine quality

期刊名称：FOOD RESEARCH INTERNATIONAL （ 影响因子：8.0； 五年影响因子：8.5 ）

ISSN： 0963-9969

年卷期： 2025 年 211 卷

页码：

收录情况： SCI

摘要： Mechanical summer pruning is vital for wine grape management. However, the optimal canopy thickness is still unclear in Northwest China. In this study, the aroma profiles of wines from four canopy thicknesses (40, 60, 80, and 100 cm) of 'Syrah' and 'Merlot' grown in the Tianshan Mountain's North Foothill of Xinjiang, China, were compared. The results show that for 'Syrah', 60 cm treatment is beneficial for the accumulation of aroma compounds especially acetic acid, 4-methylpentylalcohol, trans-3-hexenol, ethyl isobutyrate, D-limonene, and citronellol, while 80 cm of canopy thickness is advantageous to total aroma compounds collection for 'Merlot', such as ethyl 2-hydroxypropionate,1-hexanol,3-methylpentanol,trans-3-hexenol,hexyl acetate,and phenethyl acetate. Meanwhile, sensory analysis confirmed that there are higher aroma concentrations and taste intensity in the 60 cm treatment group for 'Syrah' and the 80 cm treatment group for 'Merlot'. Therefore, different canopy thickness management is necessary between 'Syrah' and 'Merlot'.

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