Oregon grows 99 percent of the U.S. Hazelnut crop, but more than 20 years ago, the future looked bleak. A disease called eastern filbert blight was threatening to devastate orchards. OSU researchers set to work, crossbreeding tree varieties for resistance to it. They've since released 18 cultivars that are resistant. Today, thousands of acres in Oregon are planted with varieties developed by OSU.

Was this page helpful?

Related Content from OSU Extension

Ask an Expert
Photo: Design by Erik Simmons.

Have a Question? Ask an Expert!

Ask an Expert is a way for you to get answers from the Oregon State University Extension Service. We have experts in family and health, community development, food and agriculture, coastal issues, forestry, programs for young people, and gardening.

Ask Us a Question