Spruce Spider Mite

Insect
An in depth look at a potentially serious pest of many conifers commonly grown in nurseries throughout the Pacific Northwest. Article profiles the host range, life cycle, damage, monitoring, cultural prevention and control as well as chemical controls.

Christmas Tree Economics: Establishing and Producing Douglas-Fir Christmas Trees in Western Oregon

Christmas tree
A helpful publication for anyone considering growing Douglas-fir Christmas trees or for current growers. Covers cost of production and provides necessary tools for financial management and decision making.

Christmas Tree Economics: Establishing and Producing Noble Fir Christmas Trees in Western Oregon

Christmas tree
A helpful publication for anyone considering growing Noble Fir Christmas trees or for current growers. Covers cost of production and provides necessary tools for financial management and decision making.

Developing Sheared Douglas-fir Christmas Trees

Christmas tree
Discusses how to select a plantation, choose quality seed, prepare the ground for planting, lay out a plantation, plant stock, manage weeds and pests, and plan for the next crop. Describes preshearing, basal pruning, shearing techniques, and shearing tools. Provides a year-by-year cultural schedule that covers planting to harvest. Includes 3 tables, 15 figures, and sources of additional information.

Developing High Quality True Fir Christmas Trees

Christmas tree
Describes the current market for true firs, characteristics of true-fir species, and the pests and environmental problems that harm firs. Details how to purchase top-quality seed, choose a growing site, design a plantation, and fertilize, as well as combat diseases, insects, animals, competing vegetation, and erosion. Covers shaping trees, including correcting multiple leaders, replacing lost leaders, pruning, and dealing with lamas growth. Provides a 9-year schedule of suggested activities for producing quality trees. Includes 6 tables, 19 figures, and a list of additional sources of information.

Christmas Tree Nutrient Management Guide for Western Oregon and Washington

Christmas tree
This guide is designed to help Christmas tree growers learn to assess a plantation’s nutritional needs based on soil and foliar analyses and rotational timing. It will help you design strategies for effective nutrient applications and produce high-quality trees with minimal negative environmental impact.

Biology and Control of Douglas-fir Needle Midge in Christmas Trees

xmas tree
Publication covers life cycle, identification, cultural and chemical control of the Douglas-fir needle midge.

Root Weevils in Review

Insect
An update on an ODA funded research project studying the effectiveness of several insecticides on adult root weevils. The study looks at containerized and field grown plants. The life cycles of three species of root weevil are discussed, the Strawberry, Obscure and Black Vine root weevil.

Japanese Beetle- A Potential, Serious Threat

Insect
A brief overview of the Japanese Beetle's history and life cycle.

Investigation of Peach Tree Borer Mating Disruption in Oregon Nurseries

Insect
Final Report to the Agricultural Research Foundation For the Oregon Association of Nurseries and the Nursery Research & Regulatory Committee. Report focuses on the efficacy of mating disruption for peach tree borer, Synanthedon exitiosa, in Prunus shade tree production and laurel production.

Pages