Title:	Timing and abscisic acid concentration enhancing color of seedless grapes.
Authors:	KOYAMA, R. BORGES, W. F. BARROS, L. G. HUSSAIN, I. YAMAMOTO, L. Y. COLOMBO, R. C. ROBERTO, S. R. SOUZA, R. T. de
Affiliation:	REGINALDO TEODORO DE SOUZA, CNPUV.
Date Issued:	2014
Citation:	In: WORLD CONGRESS OF VINE AND WINE, 37., 2014, Mendonza, Argentina. Abstracts... Mendonza: International Organisation of Vine and Wine, 2014.
Pages:	2 p.
Description:	The objective of this study was to evaluate the effect of timing and concentrations of S-ABA, aiming to intensify the color of 'Clone 21' berries. The experiment was conducted in a vineyard grown in a trellis, located in Marialva PR, Brazil, The trial was conducted on two consecutive seasons 2013 and 2014. A randomized block design was used with four replications and five treatments: control; S-ABA 200 mg L-1 7 days after veraison (DAV); S-ABA 400 mg L-1 at 7 DAV; S-ABA 200 mg L-1 at 7 DAV + S-ABA 200 mg L-1 at 15 days after the first application (DAFA); and S-ABA 400 mg L-1 at 7 DAV + 400 mg L-1 at 15 DAV. The variables studied were weight and diameter of berries, weight and length of bunches, and skin anthocyanins concentration. There was no significant difference between treatments regarding the weight and diameter of the berries, as well as the weight and width of bunches. However, exogenous application of S-ABA significantly increased the grape skin concentration of anthocyannins, independent of concentration and timing of application, and that treatment with two applications of 400 mg L-1 of S-ABA (7 DAV + 15 DAFA) resulted in higher average.
Thesagro:	Viticultura Uva Qualidade Genética Variedade Antocianina Cor
NAL Thesaurus:	Viticulture Grapes abscisic acid
Keywords:	Vinhedo Uva sem semente Anthocyanin
Notes:	Resumo expandido.
Type of Material:	Artigo em anais e proceedings
Access:	openAccess
Appears in Collections:	Artigo em anais de congresso (CNPUV)