For years, a small wasp has helped control the cereal leaf beetle, a pest of grass and cereal grains. But now beetle numbers are climbing. Here are some options to reduce this pest's impact on crops.
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
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.
This article briefly discusses the most prevalent madrone disease problems, then offers a broader perspective on the health of this southern Oregon native.
Max Bennett, David C. Shaw |
Nov 2006 |
Article
Photo: Sheryl Costello, USDA Forest Service (Cropped from original)
You may have encountered white, segmented “worms” or grubs when chopping firewood and wondered what they were. Common questions include, did they kill my tree? And are they a danger to other trees? The quick answers are no, and no.
Your garden is full of insects—some friends, some foes. Learn how to identify insects so that you know how to respond when you see them in your garden.
In the Pacific Northwest alone, there are more than 28,000 identified species of insects. Most of the insects in our yards and gardens are harmless or even beneficial, but some cause plant damage or are a nuisance for ...