Nearly 60% of Oregon hazelnuts are the ‘Barcelona.’ Recently, the Hazelnut Breeding Lab has developed several blight-resistant cultivars including ‘Jefferson’, ‘Yamhill’, and ‘Dorris.’

Hazelnut variety characteristics – Extension publication on hazelnuts grown in the Pacific Northwest

Information on cultivars and managing hazelnut orchards – Extensive information on growing hazelnuts

Breeding against Eastern Filbert Blight

Growers commission

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