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OSU Hazelnut Bacterial Blight Workshop

A reminder of the importance of applying copper sprays on young orchards to protect against bacterial blight this fall. We have been seeing some devastating impacts of the disease in new orchards in the last few years. Information about bacterial blight can be found in the disease management handbook: https://pnwhandbooks.org/plantdisease/host-disease/hazelnut-corylus-avellana-bacterial-blight Also see the hazelnut PMG: https://catalog.extension.oregonstate.edu/sites/catalog/files/project/pdf/em8328.pdf Below/attached is a flyer for an …