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.
Poisonous plants are a major cause of economic loss to the livestock industry. Two poisonous plants common to Oregon are poison hemlock and Western water hemlock. Ingestion of either by humans or livestock typically results in death.
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.
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 Credit: Alicja Neumiler - Adobe Stock (Cropped from original)
A collection of articles for growing vegetables in Central Oregon. Include general information, recommendations, soil temperatures, rhubarb, potatoes, cucumbers, beets, carrots, radishes, onions, tomatoes and tomatillos.
Oregon State University Crop and Soil Science Masters student Pahoua Yang focuses her research project on Colorado potato beetle, Leptinotarsa decemlineata. Her project is to determine baseline information for several commercial ...