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首页> 外文期刊>Revista Brasileira de Fruticultura >Rootstock-scion interaction:3. Effect on the composition of Cabernet Sauvignon wine
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Rootstock-scion interaction:3. Effect on the composition of Cabernet Sauvignon wine

机译：砧木与接穗的相互作用：3。对赤霞珠葡萄酒成分的影响

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The interaction among rootstock, scion and environment may induce different responses to the grapevine physiology and consequently to the grape and wine composition. The vineyards of Serra Gaúcha, Brazil, are established in soils that may have different physicochemical attributes. Furthermore, the grapevines are grafted on a wide diversity of rootstocks. Therefore, this study aimed to determine their effect on the wine composition of the Cabernet Sauvignon (CS) grafted on Rupestris du Lot, 101-14 Mgt, 3309 C, 420A Mgt, 5BB K, 161-49 C, SO4, Solferino, 1103 P, 99 R, 110 R, Gravesac, Fercal, Dogridge and Isabel, featuring some genetic diversity altogether. The experimental design was in randomized blocks, with 15 treatments, three replicates and 10 vines per plot. The grapes were harvested at maturity for three years, and then wines were made in glass recipients of 20 L. When alcoholic and malolactic fermentations were over, the wine analyses were performed on twenty-five variables related to alcohol, acidity, dry extract, polyphenols and volatile compounds. The main results show that all variables were affected year by year, some of them by the rootstock and a few by the interaction between rootstock and year. The rootstock effect was observed mainly on variables related to alcohol, acidity and ashes. Results show that the CS/101-14 Mgt wine had higher alcohol content than CS/Dogridge and CS/Isabel wines, which was probably due to the 101-14 Mgt rootstock favoring an early grape ripening. However, higher pH values were observed in the CS/Rupestris du Lot, CS/5BB K and CS/Gravesac than CS/420A Mgt, CS/110 R and CS/Isabel wines. These results show that there is a diversity of rootstocks that can be used by the growers due to the Cabernet Sauvignon wine composition similarities.
机译：砧木，接穗和环境之间的相互作用可能引起对葡萄生理的不同反应，从而对葡萄和葡萄酒的成分产生不同的反应。巴西SerraGaúcha的葡萄园建立在可能具有不同理化特性的土壤中。此外，葡萄被嫁接到各种各样的砧木上。因此，本研究旨在确定其对嫁接到Rupestris du Lot，101-14 Mgt，3309 C，420A Mgt，5BB K，161-49 C，SO4，Solferino，1103上的赤霞珠（CS）葡萄酒成分的影响。 P，99 R，110 R，Gravesac，Fercal，Dogridge和Isabel，共有一些遗传多样性。实验设计按随机区组进行，每块地进行15次处理，三个重复和10个葡萄藤。葡萄收获期为三年，然后在20 L的玻璃容器中制成葡萄酒。当酒精和苹果酸发酵结束时，将对与酒精，酸度，干提取物，多酚有关的25个变量进行葡萄酒分析和挥发性化合物。主要结果表明，所有变量逐年受到影响，其中一些受到砧木的影响，而一些则受到砧木与年际之间的相互作用的影响。主要在与酒精，酸度和灰分有关的变量上观察到了砧木效应。结果表明，CS / 101-14 Mgt酒的酒精含量高于CS / Dogridge和CS / Isabel酒，这可能是由于101-14 Mgt的砧木有利于葡萄早熟。但是，在CS / Rupestris du Lot，CS / 5BB K和CS / Gravesac中观察到的pH值比CS / 420A Mgt，CS / 110 R和CS / Isabel葡萄酒更高。这些结果表明，由于赤霞珠葡萄酒成分相似，种植者可以使用多种砧木。

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