Forest Pathology from Nursery to Harvest Anna Leon, PhD Forest Health in Oregon: State of the State 2018 February 28, 2018
Stages of an Industry Tree 2 | 3/6/2018
What is an Industry Forest Pathologist? 3 | 3/6/2018
Orchards Photos: J. Browning 4 | 3/6/2018
Orchard Problems Douglas-fir Cone Worm – Dioryctria spp. Douglas-fir Cone Moth – Barbara colfaxiana Photo: D. Manastyrski Photo: J. Brooks Photo: W. Strong Seed imaging helps prevent seed abortion Photo: D. Manastyrski Stress related Photo: J. Powell cankers 5 | 3/6/2018
Nurseries 6 | 3/6/2018
Nursery Diseases and Research • Common Problems – Root rots – Nutritional issues – Insects • Collaborative Research Projects – Fumigation – Solarization – Other small projects Photos: W. Littke 7 | 3/6/2018
Nursery Technical Service Soil core taken from 12” depth separated (0- 6” and 6 - 12”) Fallow field pre-fumigation mid-July Soil diluted with 0.1% sterile water agar Photos: W. Littke 8 | 3/6/2018
Lab Diagnostics Photos: W. Littke 9 | 3/6/2018
Young Plantation 10 | 3/6/2018
Young Plantation Problems 11 | 3/6/2018
Mid-Late Rotation 12 | 3/6/2018
Economically Damaging Pests Photos: Douglas-fir bark beetle: Steven Valley, Oregon Department of Agriculture; Swiss Needle Cast: Robin Mulvey; Sudden Oak Death Yana Valachovic, UCCE Humboldt County 13 | 3/6/2018
Plantation Management • Risk Awareness Stand ready for thinning • Risk Protection • Risk Management Stand damaged by Southern Pine Beetle Recently thinned, well managed stand Southern Pine Beetle Program: See USFS site for photo credits https://www.fs.usda.gov/detail/r8/forest-grasslandhealth/insects-diseases/?cid=fseprd561234 14 | 3/6/2018
Log Sanitation Photos: W. Littke 15 | 3/6/2018
Logs/wood products Insects Harvest Mold Spores Decking in Woods, Mill, or Port Ambrosia Beetle Stained Wood Ambrosia Bore Hole Photo: Surface Stains and Molds W.H. Bennett, USDA Forest 16 | 3/6/2018 Photos: Will Littke, John Browning Service, Bugwood.org
Managing for an Uncertain Future Kolb et al., 2016 Douglas-fir with sudden oak death: John Bienapfl, University of California, Davis 17 | 3/6/2018
All Stages Are Equally Important 18 | 3/6/2018
Thank You Photos: Weyerhaeuser 19 | 3/6/2018
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