BECAS
ARANCIBIA celeste
artículos
Título:
Abscisic acid and methyl jasmonic acid module anthocyanins and trans-resveratrol accumulation in berry skin of five red Vitis vinifera cvs. in two contrasting viticultural regions of Mendoza-Argentina
Autor/es:
MALOVINI, EMILIANO; ARANCIBIA, CELESTE; DURÁN, MARTÍN; FONTANA, ARIEL; MARÍA INES, DE ROSAS; DEIS, LEONOR; GARGANTINI, RAQUEL; BOTTINI, RUBÉN; CAVAGNARO, JUAN BRUNO; MARTÍNEZ, LILIANA E.
Revista:
REVISTA DE LA FACULTAD DE CIENCIAS AGRARIAS DE LA UNIVERSIDAD NACIONAL DE CUYO
Editorial:
UNIV NACIONAL CUYO
Referencias:
Lugar: Mendoza; Año: 2019 vol. 21 p. 451 - 460
ISSN:
0370-4661
Resumen:
Berry skins from red grape cultivars contain significant amounts of polyphenols thatcontribute to wine quality and provide health benefits. These compounds can be elicited by plant hormones. The aim of this work was to increase the content of anthocyanins (ANT) and trans-resveratrol (T-RES) by application of abscisic acid (ABA) and methyl jasmonate (MeJA) in five red V. vinifera cvs. (Bonarda, Malbec, Syrah, Cabernet Sauvignon, and Pinot Noir), in two Argentinean contrasting growing regions (Santa Rosa and Valle de Uco). Results showed positive and differential effects of ABA and MeJA on the total ANT content for the diverse cultivars with changes in the proportions of blue and red ANT. ABA increased total ANT in both viticultural region, while MeJA had a positive effect only in Santa Rosa. Also, ABA and MeJA induced an accumulation of T-RES in different cultivars, regardless of the region; T-RES accumulation elicited by ABA was not previously described. This work brings out the possibility to use these hormones as practical tools to produce high-quality red wines in two contrasting viticultural regions.