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Molecules 2013, 18(1), 381-397; doi:10.3390/molecules18010381
Article

Effect of Rain-Shelter Cultivation of Vitis vinifera cv. Cabernet Gernischet on the Phenolic Profile of Berry Skins and the Incidence of Grape Diseases

1
,
1
,
2
 and
1,3,*
1 College of Enology, Northwest A&F University, Yangling 712100, Shaanxi, China 2 Institute of Biology II, University of Freiburg, Freiburg 79104, Germany 3 Shaanxi Engineering Research Center for Viti-Viniculture, Yangling 712100, Shaanxi, China
* Author to whom correspondence should be addressed.
Received: 20 November 2012 / Revised: 21 December 2012 / Accepted: 24 December 2012 / Published: 27 December 2012
(This article belongs to the Section Metabolites)
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Abstract

Rain-shelter cultivation is an effective cultural method to prevent rainfall damage during grape harvest and widely applied in the Chinese rainy regions. In this study we investigated the effect of rain-shelter cultivation on grape diseases and phenolic composition in the skins of Vitis vinifera cv. Cabernet Gernischet grape berries through the comparison with open-field cultivation at two vintages (2010 and 2011). The results showed that rain-shelter cultivation reduced the incidence of grape diseases significantly and delayed the maturation of Cabernet Gernischet fruits. With regards to most of the phenolic compounds identified in this study, their content in grape samples under rain-shelter cultivation was decreased compared to those under open-field cultivation. However, rain-shelter cultivation stimulated the accumulation of dihydroquercetin-3-O-rhamnoside in grape skins during grape maturation. These were related with micrometeorological alterations in vineyards by using plastic covering under rain-shelter cultivation. It suggests the rain-shelter cultivation makes possible the cultivation of “Cabernet Gernischet” grapes in an organic production system, for providing a decrease in the incidence of diseases and the dependence on chemical pesticides in the grape and wine industry.
Keywords: Cabernet Gernischet; rain-shelter cultivation; berry skins; phenolic compounds; grape diseases Cabernet Gernischet; rain-shelter cultivation; berry skins; phenolic compounds; grape diseases
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Meng, J.-F.; Ning, P.-F.; Xu, T.-F.; Zhang, Z.-W. Effect of Rain-Shelter Cultivation of Vitis vinifera cv. Cabernet Gernischet on the Phenolic Profile of Berry Skins and the Incidence of Grape Diseases. Molecules 2013, 18, 381-397.

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