- Pests
- Best practices
- About
- Resources
- Order
Heather Stoven, Extension horticulturist, Yamhill County; Chal Landgren, professor, Extension Christmas tree specialist; Luisa Santamaria, assistant professor, Extension plant pathologist in nursery crops; all of Oregon State University; Helmuth Rogg, IPPM program manager; James LaBonte, lead taxonomic and survey entomologist; both of Oregon Department of Agriculture.
The authors thank the following peers for the review of these diagnostic cards and for their helpful comments and suggestions. In alphabetical order: