When a heatwave hits, plants may show the impact. Learn the signs of heat stress in plants and how to help them weather a heatwave with best practices for watering, mulching, shading, providing humidity and weeding.
The June 2021 heat wave caused significant damage to trees in Oregon. Learn some key findings on causes, types of damage, physiological "thermotolerance" of trees, and possible forest management implications.
Damage assessments after the historic heat wave of June 2021 in Oregon provided lessons for the state's Christmas tree growers. Those assessments showed how damage varied by type of tree and location of farms.
Judy Kowalski |
Oct 2021 |
Article
Photo taken by Dustin Johnson (Cropped from original)
Monitoring trends in vegetation is an important component of effective rangeland management. There are many monitoring methods but two stand out for being easy to use, efficient, repeatable and effective.
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.
Jun 2018 |
Article
Photo: Alicia Christianson (Cropped from original)
In this webinar, we will describe what to look for in identifying tree hazards and factors influencing soil stability and erosion in post-fire forested landscapes, and practical steps to mitigate impacts.
Amanda Rau, John Punches |
Oct 2020 |
Video
Photo: Rebecca Utrup Marcotte (Cropped from original)
Extreme summer heat can pose a danger to bees. Although bees have ways to keep cool, many gardeners put out shallow trays of water and pebbles to help them. Does that help? Here's what the science says.