Roberto, S.R. et al. 2013. Ethephon use and application timing of abscisic acid for improving color of ’Rubi’ table grape. Pesquisa Agropecuaria Brasileira. 48, 7 (Oct. 2013), 797–800. DOI:https://doi.org/10.1590/S1678-3921.pab2013.v48.14262.