Residues of lead arsenate, DDT, and other persistent pesticides may be in soil where orchards once grew and homes now stand. This report discusses how to investigate former pesticide use and current pesticide residues on your ...
If planted in a suitable habitat, native plants are well adapted to Central Oregon soils and climate. When grown in the right conditions, native plants experience less environmental, insect, and disease damage than nonnative plants.
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.
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.