Eastern filbert blight (EFB), caused by the fungus Anisogramma anomala, remains one of the primary challenges for hazelnut cultivation, particularly affecting European hazelnut (Corylus avellana) ...

Eastern filbert blight, a fungal pathogen that kills hazelnut trees, first made its way to the Northwest in the 1960s. Since then, farmers have managed the fungus by pruning infected trees and ...

Oregon State University researchers are working to develop hazelnut trees that are resistant to Eastern filbert blight, which nearly collapsed the industry a few years ago. Oregon State University ...

Oregon farmers will soon be able to plant hazelnut trees with a new genetic source of Eastern Filbert Blight resistance than they’ve traditionally relied on. Oregon State University recently obtained ...

Researchers are hunting down the origins and extent of the outbreak of a new Eastern Filbert Blight strain that overcomes the disease resistance bred into Oregon hazelnut trees. Meanwhile, farmers are ...

Growers estimate that 99 percent of the United States' crop comes from Oregon's Willamette Valley. Just a few years ago, the industry was on the verge of collapse due to a disease called Eastern ...