Soil, site, irrigation, selection, pruning/thinning, and integrated pest management.
Most “sick tree” problems can be traced back to underlying stresses that have reduced the tree's vigor, making it more vulnerable to diseases or insect pests.
The Rogue Valley growers were pioneers in pear production, growing over 24 varieties and setting quality standards in packing pears. The Rogue Valley was the first and largest red pear growing region in the Pacific Northwest in...
A guide for how to collect and where to get a sample analyzed for plant diseases.
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.
A summary of the main trunk diseases causing issues in Oregon and management methods.
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.