Downy mildew intensity in tolerant grapes varieties in highlands of southern BrazilBetina de Bem, Emilio Brighenti, Bruno Farias Bonin, Ricardo Allembrandt, Leonardo Araújo, Alberto Fontanella Brighenti and Amauri BogoBIO Web Conf., 7 (2016) 01015DOI: https://doi.org/10.1051/bioconf/20160701015