Another portion of the filbert orchards at Dorris Ranch in Springfield has been removed ahead of a replacement of those trees with a species more resistant to fungal infection. Dorris Ranch reopened ...

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 ...

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 ...