Koyama, R.; Yamamoto, L. Y.; Borges, W. F. S.; Pascholati, M. B.; Borges, R. de S.; Assis, A. M. de; Roberto, S. R. Application Time and Concentrations of Abscisic Acid on the Color Development of ’Isabel’ Grapes. Semina: Ciênc. Agrár. 2014, 35, 1697-1706.