Hemp canker and gray mold management includes cultural control practices to improve air circulation and minimize leaf wetness. Proper plant spacing, plant pruning and irrigation timing help accomplish this. If Sclerotinia is detected,...
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
Trees all over Oregon are displaying signs of poor health. People are quick to blame insects, but insects are rarely the underlying cause of the problem. Drought and other stressors can make trees vulnerable to pests and disease.
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.