Hemp is susceptible to fungal pathogens that induce wilt disease that can kill plants. The fungi that cause the disease can survive for years and are easily spread. But there are steps growers can take to prevent it.
While relatively healthy, forests in western Oregon face threats from climate stress, insects and disease. Here's a look at forest management strategies to cope with those threats and keep the state's forests healthy.
This is a bilingual publication (English and Spanish) for landscape workers and the public to help them protect Oregon birch trees from this damaging pest. Includes insect identification, host plants, signs and ...
The first Tree School Online session debuted with 300 registered participants. Since then, the live classes have rolled out with anywhere from 50 to 100 participants.
In streamside or riparian areas, choosing the right plants and where to plant them depends on location in relation to the streambed. There are three zones that dictate the kinds of plants that can be grown.
The omnivorous leaftier has a wide host range and is known to cause damage to species from more than 20 plant families. Native parasitoid wasps manage this pest in natural and cropland settings. The first ...
Navneet Kaur, Leonard Coop, Jessica Green, Bill Gerth, Nicole Anderson, Glenn Fisher |
Aug 2020 |
Extension Catalog publicationPeer reviewed (Orange level)