Hazelnut Research

We are working on a myriad of projects with hazelnut nutrition, production, irrigation, and extension.  Please check out our website by clicking on the categories listed below to see details of all of the hazelnut projects we are currently working on, as well as research updates.

Hazelnut Irrigation

Hazelnut Nutrition

Cover Crops


Pest Management

We also have several research studies focused on management of economically important pests, and IPM strategies that can help retain natural predators.  Please check out the topics below to learn more.

Hazelnut IPM

Brown marmorated stink bug

Pacific flatheaded borer


Tree management

Mulching (NGS Fall17 Newsletter- article on the relationship between sawdust mulch and N fertilizer)

Hazelnut production resources- OSU Extension Catalog

Information about patented OSU hazelnut varieties

A basic guide to pruning hazelnut trees 

Pest management

2018 Hazelnut pest management guide for the Willamette Valley

Trunk diseases, garden symphylans, PFB survey results

Pacific flatheaded borer flyer

Managing the Brown Marmorated Stink Bug with biological control

“Samurai wasp: Promising egg parasitoid for management of Brown Marmorated Stink Bug (BMSB)” (EM 9164)

“Trissolcus japonicus: Avispa parasitoide prometedora para el manejo de la chinche hedionda marrón marmoleada (CHMM)” (EM 9164-S)


Nik Wiman's 2017 PowerPoint presentation

Nut Growers Society 2018 Winter Meeting


Please Click HERE to Donate to the Orchard Crops Extension Program


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