2007. White pine blister rust with heavy aecia production in March 2007 on western white pine seedling inoculated at Dorena Genetic Resource Center in 2004. Cottage Grove, Oregon.

White pine blister rust with heavy aecia production in March 2007 on western white pine seedling inoculated at Dorena Genetic Resource Center in 2004. Cottage Grove, Oregon.

 

Photo by: Richard Sniezko

Date: March 2007

 

Credit: USDA Forest Service, Region 6, Dorena Genetic Resource Center.

Source: DRGC online photo collection: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...

 

Dorena Genetic Resource Center (DGRC) is the USDA Forest Service's regional service center for genetics in the Pacific Northwest Region. Dorena houses disease resistance breeding programs for five-needled pines and Port-Orford-cedar, a native plant development program, and the National Tree Climbing Program. For additional photos of the DGRC program, see: www.fs.usda.gov/detail/r6/landmanagement/resourcemanageme...

 

Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth

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