First Report of Bacterial Canker Caused by Pseudomonas syringae pv. morsprunorum Race 1 on Sweet Cherry in Chile

Abstract

Chile is the main exporter of sweet cherries (Prunus avium), with a total of 228,600 t exported in the 2019 to 2020 season, and a production from the Coquimbo to the Aysén region (http://www.iqonsulting.com/yb/). In January 2019, cherry trees from a commercial orchard located near Osorno city (40°37′S, 72°54′W), Region de Los Lagos, Chile, showed symptoms such as the presence of wood cankers, necrotic spots in leaves, and premature defoliation, with a mean disease incidence near 40%.