Mike Cruikshank (Canadian Forest Service) shows Armillaria ostoyae lesions on Douglas-fir. Field Studies Agree and Extend the Results of Greenhouse Trials for Host Resistance of Douglas-fir to Infection by Armillaria ostoyae. 58th Annual Western International Forest Disease Work Conference, held October 4-8, 2010 in Valemount, BC. For proceedings from this conference see: www.wifdwc.org/past-proceedings1 Photo by: Kristen Chadwick Date: October 7, 2010 More of Kristen's photos are located here:...
Topics: r6, usda, stateandprivateforestry, mikecruikshank, forestpathologist, kristenchadwick,...