Research-based educational materials about Forest Health, Insects and Disease from the OSU Extension Catalog

aerial view of forest showing mix of dead (brown) and live (green) tree canopies
EM 9398
Published May 2023
ash trees in a wetland
EM 9396
Published March 2023
brown leaves of ash tree
EM 9380
Published January 2023
yellowing trees
EM 9352
Published May 2022
Wildfire burning a field
EM 9339
Published February 2022
EM 9245
Published December 2019
EM 8980
Revised January 2019
EM 9194
Revised October 2018
EM 9216
Published October 2018
Cover image of "Planning and Implementing Cross-boundary, Landscape-scale Restoration and Wildfire Risk Reduction Projects"
PNW 707
Published October 2018
EM 9195
Published May 2018
Publication cover
EM 9191
Published April 2018
EM 9193
Published April 2018
Preview of publication cover
EM 9171
Published October 2017
The cover of EM9160-S
EM 9160-S
Published May 2017
Publication cover
EM 9159
Published May 2017
Closeup photo of an Emerald ash borer.
EM 9160
Published May 2017
Screenshot from video
EM 9220
Published April 2017
EM 9127
Published April 2016
Publication cover
EM 9137
Published March 2016