Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.
Covers the care and handling of seedlings. Discusses proper seedling planting techniques, including timing, tree spacing, planting spot selection, and tools. Highlights common mistakes made when planting, such as crooked...
Mark Elefritz, Mary M. Atkinson, Stephen Fitzgerald |
May 2006 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication highlights vegetation management strategies to improve conifer seedling survival and growth. It compares vegetation management methods such as scalping, mulch mats, and herbicides for use on small woodland properties.
Pocket gophers girdle (remove bark from) the bases of conifer seedlings and saplings, causing significant economic losses. This publication will help you design a program to reduce or eliminate gopher damage to ...
David S. deCalesta, Kim Asman, Nancy Allen |
May 2003 |
Extension Catalog publicationPeer reviewed (Orange level)
Provides a brief overview of the steps involved in a typical reforestation operation. Covers mechanical, manual, and chemical methods of preparing the planting site. Discusses obtaining financial assistance for ...
Successful regeneration of forest stands often requires that crop trees be released from competing vegetation. This publication provides basic information on how to determine if release is necessary and methods for release.
Instructions for tree planting usually amount to three words: green side up. Yes, it's a simple process, but there are many ways to ruin a seedling's chances of growing into a healthy, towering tree.
Tansy ragwort, an invasive weed that can harm certain types of livestock, is making a comeback in western Oregon. Find out how to control it and protect your animals.
Shelby Filley, Andy Hulting, Gene Pirelli, Eric Coombs |
Aug 2011 |
Article
Onion growers in Treasure Valley have faced difficulties in controlling thrips. One of the problems is resistance to commonly used insecticides. Researchers conducted tests to find the most effective insecticides.