Pacific Northwest blueberry growers must identify and control a number of bacterial and fungal diseases in order to ensure the highest yields. Fortunately, only a few of the diseases that occur on highbush blueberry in this region cause significant losses when left unchecked.
Jay W. Pscheidt, Jerry Weiland |
Mar 2015 |
Article
Discusses how to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants' oily substance, urushiol, which can cause an allergic contact dermatitis.
Brooke Edmunds, Lauren Grand, Alicia Christiansen, Andy Hulting |
Nov 2022 |
Extension Catalog publicationPeer reviewed (Orange level)
Excessive summer irrigation of oak and madrone trees may promote fungal diseases such as the oak root fungus (aka armillaria root disease) and crown rot.
When a heatwave hits, plants may show the impact. Learn the signs of heat stress in plants and how to help them weather a heatwave with best practices for watering, mulching, shading, providing humidity and weeding.
This handbook will help you become acquainted with the growing and use of plants in gardens and home yard landscaping. It also describes how to make cut flower arrangements that you, your friends, and family can enjoy.
Ernest Schaufler, David G. Adams, Duane Johnson, 4-H Development Committee for Plant Science Projects |
Nov 2021 |
Extension Catalog publicationPeer reviewed (Orange level)
This publication gives general guidelines for how to exhibit fresh, dried, and potted herbs and the qualities and characteristics judges look for. It also includes a chart of instructions for exhibiting specific herbs.