Effects of Biodegradable Liquid Film (BLF) on Cold Resistance in Grapevine Revealed by Metabolomic Analysis

Xinyao Duan, Xing Han, Rihui Li, Dezhen Li, Xuedong Shao, Zhengwen Zhang, Xiaomin Zhong, Hua Wang () and Hua Li
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Xinyao Duan: College of Enology, Northwest A&F University, Yangling 712100, China
Xing Han: Shandong Academy of Grape, Jinan 250100, China
Rihui Li: College of Enology, Northwest A&F University, Yangling 712100, China
Dezhen Li: College of Enology, Northwest A&F University, Yangling 712100, China
Xuedong Shao: Junding Winery Co., Ltd., Penglai 265600, China
Zhengwen Zhang: Junding Winery Co., Ltd., Penglai 265600, China
Xiaomin Zhong: Junding Winery Co., Ltd., Penglai 265600, China
Hua Wang: College of Enology, Northwest A&F University, Yangling 712100, China
Hua Li: College of Enology, Northwest A&F University, Yangling 712100, China

Agriculture, 2023, vol. 13, issue 10, 1-18

Abstract: Low temperatures are among the most important abiotic stresses, severely affecting vine growth and development. In order to overwinter safely, grape growers pay high labor costs, which are unsustainable in modern agriculture. Biodegradable liquid film (BLF) is an environmentally friendly material that assists grapevines to withstand the cold. In this experiment, Cabernet Sauvignon from Junding Winery was used as material for field trials. The regulatory effect of BLF on the cold resistance of grapevines was analyzed, and its mechanism of action was explored using metabolomics. The results showed that BLF significantly increased the activity of superoxide dismutase, the content of proline and ascorbic acid, reducing sugar, sucrose, and soluble sugar, and also decreased the content of malondialdehyde. In addition, BLF significantly increased the activity of invertase and decreased the activity of pectinase and phosphofructokinase. Metabolomics data showed that BLF improved cold resistance in grapevines by affecting lipids, flavonoids, amino acids, and nucleotide metabolic pathways.

Keywords: grapevine; cold resistance; oxidative damage; metabolomics (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2023
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