Nursery and Greenhouse

Featured Resources

Azalea Lace Bug: Biology and Management in Commercial Nurseries and Landscapes

Azalea lace bug is an emerging pest in Oregon that can be quite damaging to azaleas and rhododendrons, very popular plants in Oregon nurseries and landscapes. This publication offers information on identification, timing, and management options for this new pest.

Robin Rosetta | Jul 2013 | OSU Extension Catalog

Azalea Lace Bug Poster (Chinche de encaje de la azalea)

This poster measures 24 x 36 inches and is on soft vinyl with grommets, so it stands up to wet weather and is easy to handle. It contains photos and concise descriptions of the insect in its several stages of ...

Robin Rosetta, Luisa Santamaria, Gilbert Uribe | Apr 2014 | OSU Extension Catalog

Boxwood Blight in commercial nursery production -- El tizón de boxwood en viveros de producción comercial

The poster is in both English and Spanish (bilingual). Content includes photos and descriptions of symptoms of boxwood blight and damage to plants. The poster file is designed to print up to 24 x 36 inches. For more ...

Luisa Santamaria | Apr 2016 | OSU Extension Catalog

El tizón de boxwood en viveros de producción comercial

Esta publicación contiene información sobre plantas huéspedes conocidas, cómo se dispersan las esporas del hongo, y cómo manejar el tizón de boxwood, con fotos y descripciones de síntomas y daño. Hay también un póster ...

Luisa Santamaria | Apr 2016 | OSU Extension Catalog

Latest Resources

Higiene en el campo

Este video muestra cómo limpiar y desinfectar adecuadamente el equipo de campo. Los espectadores también entenderán las amenazas que el agua estancada y los animales representan para la seguridad de los alimentos.

Jun 2020 | Video

Breeding Christmas Trees

Oregon produces over 4.5 million Christmas trees. Chal Landgren researches Christmas trees in the Willamette Valley at the North Willamette Research and Extension Center. The goal isn’t to create picture-perfect Christmas trees. ...

Chal Landgren | Dec 2019 | Video

Luisa Santamaria helps Hispanic nursery workers

Luisa Santamaria is an Oregon State University Extension plant pathologist at North Willamette Research and Extension Center. Her Extension and outreach program is bilingual education for nurseries and greenhouse workers. Read the full...

Luisa Santamaria | Mar 2015 | Video

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Latest News

OSU plant pathologists discover unusual evolutionary transition in common bacteria

It’s the “Strange Case of Dr. Jekyll and Mr. Hyde” in a nursery setting

Chris Branam | Dec 12, 2017 | News story

OSU research leads to detection method for crown gall disease

A dipstick reveals the presence of the disease within minutes

Chris Branam | Jul 10, 2017 | News story

All News

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Christmas Trees

Meet Our Experts

Brian Hill

Faculty Research Assistant

Lloyd Nackley

Nursery Researcher

Jay W. Pscheidt

Jay Pscheidt

Plant Pathologist

Luisa Santamaria

Nursery Pathology Specialist, Bilingual Educator

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