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Acta Horticulturae Sinica ›› 2023, Vol. 50 ›› Issue (8): 1723-1738.doi: 10.16420/j.issn.0513-353x.2022-0618

• Cultivation Physiology & Biochemistry • Previous Articles     Next Articles

Effects of Different Color Bags on Anthocyanin Accumulation in‘Cabernet Sauvignon’Grape Skin

WANG Wen1, ZHANG Kenan1, FANG Mofei1, DING Siyue1, WANG Xuefei1, XI Zhumei1,2,*()   

  1. 1 College of Enology,Northwest A & F University,Yangling,Shaanxi 712100,China
    2 Shaanxi Engineering Research Center for Viti-Viniculture,Yangling,Shaanxi 712100,China
  • Received:2023-02-28 Revised:2023-05-30 Online:2023-08-25 Published:2023-08-23
  • Contact: XI Zhumei

Abstract:

‘Cabernet Sauvignon’grape were used in this study and bagged with the white,red,green and blue fruit paper bags before veraison,respectively. The fruit clusters with no bagging were served as the control. The changes of different colors of fruit bags on the light intensity,light transmittance,temperature,fruit quality,individual anthocyanin,enzyme activities and the gene expressions related to anthocyanin accumulation of‘Cabernet Sauvignon’were measured and analyzed,but there was no difference in the temperature inside the red,green and blue bags. The results showed that the bag color has selective transmittance of the light wavelengths. Light intensity and temperature in the bagging treatments were significantly lower than those in the control. Bagging treatments delayed the grape growth,ripening and variation,but the reducing sugar,soluble solids and total anthocyanins contents significantly increased in the blue,red and green bag treatments at harvest,while the blue bag presented the most obvious improvement. The blue,green and red bags increased acetylated anthocyanins contents in grape skin at harvest,while white bag decreased acylated anthocyanin content. In addition,blue,red and green bag treatments significantly increased the enzymes activities of F3′H and DFR at harvest in grape skin,and the up-regulated expressions of anthocyanin synthesis genes,modification genes and transport genes,and correlation analysis results showed that transport of acylated and non-acylated anthocyanins is different. In conclusion,blue and red bags are beneficial to anthocyanin biosynthesis in grape skin,and the blue bag is better,which can be used in viticulture production.

Key words: grape, bagging, fruit quality, anthocyanin, biosynthesis, transport