Effects of Comparative Metabolism on Tomato Fruit Quality under Different Levels of Root Restriction
文献类型： 外文期刊
作者： Gao, Yaqing 1 ; Zhou, Xinyuan 1 ; Liang, Hao 1 ; Ji, Yanhai 1 ; Liu, Mingchi 1 ;
作者机构： 1.Beijing Acad Agr & Forestry Sci, Vegetable Inst, Beijing 100097, Peoples R China
2.Minist Agr, North China Key Lab Urban Agr, Beijing 100097, Peoples R China
关键词： metabolomics; quality; root restriction; Solanum lycopersicum
期刊名称：HORTSCIENCE （ 影响因子：1.9； 五年影响因子：1.9 ）
ISSN： 0018-5345
年卷期： 2023 年 58 卷 8 期
页码：
收录情况： SCI
摘要： In a soilless culture (perlite substrate), root restriction cannot only reduce production costs but also improve fruit quality. Therefore, this study used different levels of root restriction [T1: 0.5 L, T2: 4 L, nonrestriction treatment (CK): 35 L] on tomatoes to explore their impact on quality. Results showed that total soluble solids (TSS), glucose, fructose, and sucrose contents were increased, whereas L-tryptophan, L-tyrosine, and titratable acidity were decreased under two restriction treatments. Meanwhile, root restriction also promoted the accumulation of phenylalanine and proline. For lycopene and flavonoid biosynthesis (prunin, naringin, naringenin), the restriction groups were significantly higher than those in the control group. Overall, T1 and T2 treatment had a better effect than CK treatment. This study provided an idea for improving substrate use efficiency and tomato quality.
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