Mature cattle grazing in pastures with rapidly growing grass are sometimes afflicted with a disease called grass tetany. The cause is a lack of magnesium in the grass. Here's what to look for and how to treat it.
Presentation by Silvia Rondon on Insect Ecology. Topics covered include types of metamorphosis, effects of temperature on development, how temperature affects SWD and potato tuberworm.
Diseases can reduce the yield and nutritional quality of crops. Vectors are organisms that transmit pathogens that cause diseases and can also threaten crops. Some important vectors of plant pathogens in the Pacific Northwest ...
Silvia I. Rondon, Mary Corp, Stephen M. Van Vleet, Stuart Reitz, Pamela Hutchinson |
Jul 2015 |
VideoPeer reviewed (Gray level)
Photo: Alicia Christiansen (Cropped from original)
This webinar will cover a visual method for assessing survival of trees that have been injured by wildfire. We will also discuss specifically how salvage operations are conducted, equipment used, wildlife considerations, economics, ...
Glenn Ahrens, Stephen Fitzgerald |
Oct 2020 |
Video
“An ounce of prevention is worth a pound of cure” (B Franklin, 1706-1790). Pest prevention is a central component of integrated pest management and organic pest management strategies. Crop rotation and crop planning (i.e. ...