1. Department of Agriculture and Food Sciences Pontificia Universidad Católica de Valparaíso Valparaíso 2340025 Chile
2. Department of Agriculture, Veterinary and Rangeland Sciences University of Nevada, Reno Reno NV 89557 USA
3. Department of Viticulture and Enology University of California Davis CA 95618 USA
4. School of Forestry and Environmental Studies Yale University New Haven CT 06511 USA
5. Crops Pathology and Genetics Research Unit USDA‐ARS Davis CA 95618 USA