Susceptibility of Grapevine Cultivars to Tomato Spotted Wilt Virus in Southern Ontario, Canada. L. W. Stobbs, Agriculture Canada, Research Station, Box 6000, Vineland Station, Ontario L0R 2E0. A. B. Broadbent, Agriculture Canada, Research Station, Box 6000, Vineland Station, Ontario L0R 2E0. Plant Dis. 77:318. Accepted for publication 22 September 1992. Copyright 1993 The American Phytopathological Society. DOI: 10.1094/PD-77-0318E.