Browse Plant Diseases Resources

Lynn Ketchum
Displaying 1 - 10 of 23 resources

Aggressive local efforts were key to limiting spread of sudden oak death disease in Oregon

Aug 19, 2019
Limiting sudden oak death’s spread in southern Oregon has proved to be a success.

By Chris Branam | News Story

7 tips for controlling frustrating apple scab

Apr 26, 2019
Prevention is the best method when it comes to controlling this fungal disease.

By Kym Pokorny | News Story

Identify the problem before treating a struggling plant

Feb 15, 2019
Sometimes what's happening to your plants is a mystery. OSU experts provide a series of questions to help you through the diagnosis process.

By Kym Pokorny | News Story

Climate change anomaly intensifies Swiss needle cast in some Douglas-fir forests

Dec 18, 2018
The fungal disease reacts favorably to the wet, foggy environment on the west slope of the Oregon Coast Range.

By Kym Pokorny | News Story

Genetic behavior reveals cause of death in poplars essential to ecosystems, industry

Oct 25, 2018
Scientists studying the valuable, but vulnerable, black cottonwood poplar have identified the genetic mechanism responsible for the species’ inability to resist a pervasive and deadly disease.

By Chris Branam | News Story

OSU researchers propose CRISPR as influencer of low genetic diversity in deadly bacteria

Oct 18, 2018
Scientists at Oregon State University have shed light on the evolutionary history of a soil-borne bacteria that is so dangerous to grazing animals it is kept behind lock-and-key to prevent its spread.

By Chris Branam | News Story

OSU plant pathologists discover unusual evolutionary transition in common bacteria

Dec 12, 2017
It’s the “Strange Case of Dr. Jekyll and Mr. Hyde” in a nursery setting

By Chris Branam | News Story

European strain of deadly plant disease infects fir saplings in Oregon

Oct 19, 2017
Area has been quarantined and infected trees have been cut down and burned

By Chris Branam | News Story

OSU research leads to detection method for crown gall disease

Jul 10, 2017
A dipstick reveals the presence of the disease within minutes

By Chris Branam | News Story

Cold winter, wet spring lead to wheat disease in eastern Oregon

May 22, 2017
Stripe rust arrived in the fall and spread quickly

By Chris Branam | News Story