Sugar accumulation and fruit quality of tomatoes under water deficit irrigation

文献类型： 外文期刊

第一作者： Bai, Chunmei

作者： Bai, Chunmei;Zuo, Jinhua;Wang, Qing;Liang, Hao;Zheng, Yanyan;Liu, Mingchi;Ji, Yanhai;Bai, Chunmei;Watkins, Christopher B.

作者机构：

关键词： Tomato fruit quality; Water deficit irrigation; Transcriptome; Metabolome; Flavor quality

期刊名称：POSTHARVEST BIOLOGY AND TECHNOLOGY （ 影响因子：6.751； 五年影响因子：7.001 ）

ISSN： 0925-5214

年卷期： 2023 年 195 卷

页码：

收录情况： SCI

摘要： Agricultural production has improved with the development of water deficit (WD) irrigation technology, but the impact of the application of WD irrigation on product quality is still understudied. The effects of WD irrigation on the transcriptome and metabolome of fruit have been investigated by treating tomato plants with control or WD irrigation during the growing period. WD irrigation promoted the accumulation of reducing sugars, total acids, vitamin C (VC) and soluble solid content (SSC) of the fruit, which increased the sweetness and enriched their taste. Transcripts of genes involved in fruit quality including color, texture and flavor, as well as plant hormones were affected by WD irrigation. Also, a combined analysis of multiple omics revealed that the genes and me-tabolites involved in galactose metabolism, starch and sucrose metabolism were affected by WD. This study provides insights into the effects of WD irrigation techniques on tomato fruit quality, which will provide new directions for the improvement of other fruit quality in the future.

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