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Effect of the Seasonal Climatic Variations on the Accumulation of Fruit Volatiles in Four Grape Varieties Under the Double Cropping System

文献类型： 外文期刊

作者： Lu, Hao-Cheng 1 ; Chen, Wei-Kai 1 ; Wang, Yu 1 ; Bai, Xian-Jin 3 ; Cheng, Guo 4 ; Duan, Chang-Qing 1 ; Wang, Jun 1 ; He, Fei 1 ;

作者机构： 1.China Agr Univ, Coll Food Sci & Nutr Engn, Ctr Viticulture & Enol, Beijing, Peoples R China

2.Minist Agr & Rural Affairs, Key Lab Viticulture & Enol, Beijing, Peoples R China

3.Guangxi Acad Agr Sci, Nanning, Peoples R China

4.Guangxi Acad Agr Sci, Grape & Wine Res Inst, Nanning, Peoples R China

关键词： climate factors; double cropping system; table grape; volatile compounds; wine grape

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）

ISSN： 1664-462X

年卷期： 2022 年 12 卷

页码：

收录情况： SCI

摘要： The double cropping system has been widely applied in many subtropical viticultural regions. In the 2-year study of 2014-2015, four grape varieties were selected to analyze their fruit volatile compounds in four consecutive seasons in the Guangxi region of South China, which had a typical subtropical humid monsoon climate. Results showed that berries of winter seasons had higher concentrations of terpenes, norisoprenoids, and C6/C9 compounds in "Riesling," "Victoria," and "Muscat Hamburg" grapes in both of the two vintages. However, in the "Cabernet Sauvignon" grapes, only the berries of the 2014 winter season had higher terpene concentrations, but lower norisoprenoid concentrations than those of the corresponding summer season. The Pearson correlation analysis showed the high temperature was the main climate factor that affected volatile compounds between the summer and winter seasons. Hexanal, gamma-terpinene, terpinen-4-ol, cis-furan linalool oxide, and trans-pyran linalool oxide were all negatively correlated with the high-temperature hours in all of the four varieties. Transcriptome analysis showed that the upregulated VviDXSs, VviPSYs, and VviCCDs expressions might contribute to the accumulations of terpenes or norisoprenoids in the winter berries of these varieties. Our results provided insights into how climate parameters affected grape volatiles under the double cropping system, which might improve the understanding of the grape berries in response to the climate changes accompanied by extreme weather conditions in the future.

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