The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
This publication offers an integrated approach to effective weed management in Christmas trees, incorporating diverse strategies and practices to keep weed populations off balance. It includes strategies for using ...
Ed Peachey, Chal Landgren, Tim Miller-Morgan |
Dec 2017 |
Extension Catalog publicationPeer reviewed (Orange level)
Each Christmas tree species requires special skill and specific knowledge to be grown successfully. This publication outlines how trees grow and the culturing practices necessary to develop the size, shape, and ...
Introducing beneficial insects to Christmas tree farms as part of an integrated pest management program may seem overwhelming. Where to begin? First step: Create habitat that attracts and sustains the beneficial insects.
Judy Kowalski |
Jun 2021 |
Article
Photo: Rebecca Utrup Marcotte (Cropped from original)
Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.
Q: I have two pine trees I bought around Christmas a few years ago and l keep them in pots. This year I moved them and now they get late afternoon sun, morning shade. I noticed recently that the leaves are turning brown...
Q: We buy live Christmas trees and then plant them as a family tradition. I'm recommending the practice to others, and thought it a good idea to have a list of recommended varieties. Could we work up a short list of conifer candidates that are native to Oregon? Thank you!
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.