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 is the second unit of the 4-H Wood Science series. If you have completed Unit 1, you are probably asking: "Now what?" Developed by National 4-H Council and reprinted for use in Oregon. Click the "view ...
This is the third unit of the 4-H Wood Science series. This unit introduces new concepts of wood science and provides activities and experiments that can help you better understand these concepts. Developed by ...
Welcome to 4-H Ceramics! We prepared this manual to provide you with a basic knowledge of cast ceramics. Ceramics is defined as anything fired in a kiln. A kiln is an oven or furnace in which clay products...
Q: How to treat powdery mildew on squash and cucumber plants? Most of our squash plants have powdery mildew. Some of the leaves have died and crumbled. We had same problem last year. I regret not removing all the infected ...