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North Willamette Research and Extension Center

Judy Kowalski

North Willamette Research and Extension Center News

"Down on the Farm" is the main newsletter for NWREC. It is published typically 3 times per year and includes highlights of activities from the entire farm.

Past Issues

Related Content from OSU Extension

Propagating Shrubs, Vines, and Trees from Stem Cuttings

OSU Extension Catalog

Sep 2016

Adding more greenery to your home landscape? Tired of buying so many trees and shrubs to do it? A possible alternative is to use stem cuttings from your current trees and shrubs to make more, a method known as asexual propagation. Designed for homeowners in the Pacific Northwest, this publication outlines the step-by-step process of successfully propagating plants with stem cuttings. It also includes reference guides for 117 easy-to-root deciduous and evergreen plants.

Blueberry Cultivars for the Pacific Northwest

OSU Extension Catalog

Feb 2014

This publication describes blueberry cultivars, including northern highbush, southern highbush, rabbiteye, lowbush, and half-high types. It includes information on commercial value and identifies which cultivars work well for home gardens.

By Bernadine Strik

Scouting for Grape Powdery Mildew

OSU Extension Catalog

May 2013

This publication provides vineyard owners with approaches for finding the first occurrence of grape powdery mildew. The publication covers tactics to manage powdery mildew, including use of fungicides and canopy management. It also discusses effective scouting techniques based on the key characteristics of the fungus.

By Jay Pscheidt

Yamhill Hazelnut (OSU 542.102)

OSU Extension Catalog

Aug 2009

Describes characteristics of 'Yamhill', a new hazelnut cultivar released by Oregon State University.

Oregon Cranberry Practices Calendar

OSU Extension Catalog

Jan 2010

A succinct description of cultural practices for commercial cranberry production in Oregon, visually organized by growth stage throughout the year, from postharvest through the following harvest.

2019 Pest Management Guide for Tree Fruits in the Mid-Columbia Area

OSU Extension Catalog

Jan 2019

Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder and liquid products; (3) natural enemy impact guide for tree fruit pesticides; (4) illustrated bud development chart and associated stages for...

By Dalila Rendon, Jay Pscheidt, Achala KC, Rick Hilton

Acidifying Soil for Crop Production West of the Cascade Mountains (Western Oregon and Washington)

OSU Extension Catalog

Feb 2004

Explains the relationship between high soil pH and nutrient deficiencies in blueberries, rhododendrons, azaleas, and other ornamental crops. Color photos illustrate symptoms of pH-induced nutrient deficiency. Presents step-by-step instructions for lowering soil pH, either before a crop is planted or after establishment.

Prevention and Management of Grapevine Leafroll Virus and Mealybugs in Oregon Vineyards

OSU Extension Catalog

Oct 2009

This document suggests practices believed to mitigate the spread of disease and virus.

By Vaughn Walton, Patricia Skinkis, Steve Renquist, Clive Kaiser, Rick Hilton, Steve Castagnoli

Protecting Garden Fruits from Spotted Wing Drosophila

OSU Extension Catalog

Apr 2011

This publication describes what home and community gardeners can do to monitor and responsibly manage spotted wing drosophila in their tree fruits and berries.

By Gail Langellotto

Trapping and Identifying Mealybugs in Oregon Vineyards

OSU Extension Catalog

Jan 2010

This publication gives details on how pheromone traps should be used to ensure optimal catches and early detection.

By Vaughn Walton

Hobby Greenhouse Design Notes

Fact Sheet

Sep 1978

Hobby greenhouses provide year-round enjoyment for many gardeners and can be a useful investment for families that wish to raise their own flowers, ornamental plants, or garden vegetables. This resource describes various styles, shapes, and sizes of greenhouses, and their degree of durability. NOTE: blueprints are no longer available and price estimates are outdated.

Pruning Hazelnut Trees — A Basic Guide

Article

Jun 2015

Training is a term applied to trees from planting up to 4-5 years of age, and is used to encourage a strong tree structure capable of supporting heavy crops, and withstanding ice and snow loads.

Managing blueberry viruses in the Pacific Northwest

Article

Mar 2015

While blueberries grow well in the Pacific Northwest, five major viruses afflict plants in this region. Learn what you need to know to prevent and manage viral disease in your blueberry plants. The most important step? Use certified virus-tested planting stock.

By Robert R. Martin

Harvesting evergreen boughs from your woodland

Article

Oct 2019

Learn how to properly harvest evergreen boughs from your woodland to make holiday wreaths

By Alicia Christiansen

Blueberry bacterial and fungal diseases

Article

Mar 2015

Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.

By Jay Pscheidt, Jerry Weiland

Grape pruning basics

Article

Nov 2012

All grapes require heavy pruning to produce fruit, but after the first three growing seasons, different types of grapes need different pruning. Wine grapes and muscadines usually need spur pruning, and American grapes, such as Concord and Thompson Seedless require cane pruning.

Christmas Tree Nutrient Management Guide for Western Oregon and Washington

OSU Extension Catalog

Sep 2009

A comprehensive guide to fertilization and nutrient management in Christmas tree fields. Discusses tree nutrient use at various stages in the crop cycle and explains how to use soil and tissue testing to determine fertilizer needs. Presents a long-term nutrient management approach that will ensure availability of nutrients throughout the tree's life cycle, with the objective of achieving optimal tree size and color.

By Brad Withrow-Robinson, Chal Landgren, Michael Bondi

Caneberries Nutrient Management Guide

OSU Extension Catalog

Jan 2006

Several types of caneberries are produced commercially in Oregon, including summer-bearing and primo cane fruiting red raspberries, black raspberries (blackcaps), and blackberries. This publication addresses nutrient assessment and application for caneberries produced in western Oregon. In this area, caneberries typically are planted on Aloha, Jory, Newberg, Willamette, Woodburn, or Saum soils. ...

By Bernadine Strik