A tool for technical and economic evaluation of dieback in wine-growing holdings H. Mahé, C. Riou, P. Longepierre, M.-H. Imberti, L. Mahé and C. Prêtet-Lataste BIO Web Conf., 15 (2019) 03005 Published online: 23 October 2019 DOI: 10.1051/bioconf/20191503005