Thoughts on Fall Planting of Lawns - Seed Identification

Management
Guide for the identification of lawn seed crops including tall fescue, annual ryegrass, perennial ryegrass, red fescue, chewings fescue, hard fescue, bluegrass, and bentgrasses. The Oregon State University affiliated author offers descriptions with identifying characteristics for each grass seed discussed.

Overview of Commercial Production of Cut English Holly (Ilex aquifolium) in the Pacific Northwest

Holly
Oregon State University affiliated author offers an overview of commercial production of cut English holly in the Pacific Northwest. Topics include production statistics, marketing, culture, insect and pathogen problems, berry production, and post-harvest care.

Quackgrass-A Serious Problem Weed

Weeds
Quackgrass (Elymus repens L. Gould) is a perennial problem weed of the cooler climates in the Northern Hemisphere. Quackgrass reproduction and spread, competition with crop plants, and quackgrass control methods are addressed in the article.

Oxalis-Biology and Control

Weeds
Oxalis (Oxalis europaea), known also as Yellow Wood Sorrel, is a persistent weed with characteristic explosive seed dispersal from elongated pods. The University of California affiliated authors emphasize the importance of understanding seed production, dispersal, and germination.

Photoperiod - A Grower Management Tool for Controlling Plant Growth and Development

Management
The use of photoperiod as a management tool to achieve optimal plant growth and development in a nursery or greenhouse environment. The information provided includes explantations of photoperiod; how it works, its importance to the grower, and the various effects of photoperiod manipulation.

Lilac...Year-Round Cut Flower? Duel Purpose Plant?

Greenhouse Crops
A guide for the production of lilacs for the duel purposes of cut-flower production and landscape plantings. The history of the lilac as a forced, cut flower is summarized along with descriptions of species and cultivars, growth and development, forcing and flowering, and propagation methods.

The “ Best” Seed Sources for Christmas Trees

Christmas Tree
Information provided on Christmas tree seed sources and a review of research and collections in Turkey by Oregon State University affiliated researcher, Chal Landgren.

The Columbia Root-Knot Nematode Problem

Management
In 1982, new regulations were put in place by Canada in an attempt to limit the Columbia root-knot nematode from spreading to Canada. In regard to the nematode, the author discusses; the problem, distribution, habitat, life cycle, hosts, and controls.

Every Christmas Tree a '10'

Christmas tree
The idea of using clones in the Christmas tree industry is debated by the Oregon State University affiliated author. The use of clones could lead to more uniform sellable trees but could also lead to a lack of genetic diversity in the Christmas tree industry.

'Autumn Blaze' - New Callery Pear Introduction from Oregon State University

Breeding and Selection
Callery pear (Pyrus calleryana) cultivars are the subject discussed after the introduction of a new cultivar, 'Autumn Blaze', to the nursery industry. The characteristics of 'Autumn Blaze' are addressed along with information regarding other Pyrus calleryana cultivars.

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