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dc.contributor.authorMIELE, A.
dc.contributor.authorRIZZON, L. A.
dc.contributor.otherALBERTO MIELE, CNPUV; Luiz Antenor Rizzon, Engo.-Agro., Dr., Embrapa Uva e Vinho. Aposentado. E-mail:
dc.descriptionThe interaction between rootstock, scion and the environment may induce different responses to the grapevine physiology and, consequently, to the grape composition. The vineyards of Serra Gaúcha, Brazil, are established in different soil types, each with different morphological and physicochemical attributes. Moreover, the grapevines are grafted onto a diversity of rootstocks. Therefore, this study aimed to determine the effect of 15 rootstocks in the composition of the Cabernet Sauvignon (CS) grape must. The following rootstocks were used: 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, 10 vines per plot. The grapes were harvested at maturity for four years, and then crushed for winemaking. Next, the grape musts were centrifuged to separate the solid phase from the liquid phase, which was used for analyses related to sugar, acidity and minerals. The data were submitted to correlation analysis and Principal Component Analysis. The main results from the average of four years show that, in general, the grape musts of the CS/101-14 Mgt., CS/161-49 C, CS/3309 C, CS/Rupestris du Lot and CS/Gravesac combinations had high values of density, total soluble solids, pH and °Brix/titratable acidity ratio, and low titratable acidity, which was high with CS/99 R, CS/110 R, CS/Dogridge and CS/1103 P. Potassium had higher concentrations in the grape musts of CS/SO4 and CS/5BB K. Titratable acidity did not correlate with density and total soluble solids, but positively correlated with yield. Density, total soluble solids, and the concentration of potassium were positively correlated with pH. Index terms: Vitis vinifera, grapevine, grafting, composition, minerals.
dc.publisherRevista Brasileira de Fruticultura, v. 39, n.3: (e-434), 2017.
dc.relation.ispartofEmbrapa Uva e Vinho - Artigo em periódico indexado (ALICE)
dc.subjectGrapevine physiology
dc.subjectSerra Gaúcha
dc.subjectCabernet sauvignon
dc.titleRootstock-scion interaction: 2.effect on the composition of cabernet sauvignon grape must.
dc.typeArtigo em periódico indexado (ALICE)
dc.subject.thesagroVitis vinifera
dc.subject.nalthesaurussoil typespt_BR
dc.ainfo.lastupdate2019-05-06 -03:00:00
Appears in Collections:Artigo em periódico indexado (CNPUV)

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