Wasp laying eggs
Seed drill planting cover crop

Hazelnut Research Projects

We are working on a myriad of projects with hazelnut nutrition, production, pest management 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 IPM

Hazelnut Irrigation

Hazelnut Nutrition

Cover Crops



Nut Growers Society 2018 Winter Meeting

Trunk diseases, garden symphylans, PFB survey results

Hazelnut production resources- OSU Extension Catalog

A basic guide to pruning hazelnut trees 

Pacific flatheaded borer flyer

Information about patented OSU hazelnut varieties

Nik Wiman's 2017 PowerPoint presentation

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)