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Forest Pathology Kootenay / Boundary Region Michael Murray, Ph.D., P.Ag.

Forest Pathology Kootenay / Boundary Region Michael Murray, Ph.D., P.Ag. Forest Health Factors Plantations <40 years old Kootenay Lake TSA. Source: Stand Development Monitoring 2008. Source: Young Stand Monitoring (CMI) 2012. Dothistroma needle blight. Pine Needle Rust.

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Forest Pathology Kootenay / Boundary Region Michael Murray, Ph.D., P.Ag.

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  1. Forest Pathology Kootenay / Boundary Region Michael Murray, Ph.D., P.Ag.

  2. Forest Health Factors Plantations <40 years old Kootenay Lake TSA Source: Stand Development Monitoring 2008 Source: Young Stand Monitoring (CMI) 2012

  3. Dothistroma needle blight Pine Needle Rust Larch Needle Blight Stalactiform Rust Dwarf Mistletoe Western Gall Rust

  4. Source: USDA Forest Service, 2011

  5. Removal of stumps and roots “can significantly reduce the food base available to the fungus and delay infection of susceptible crop trees” (USFS 2008) “ Armillaria... can be reduced by mechanical removal of stumps and major roots” (BCFS 2008)

  6. Preliminary Results * Not yet tested for statistical significance

  7. White Pine Health(Pinus monticola) • Very productive timber species • Broad elevation range • Browse-resisistant • Wildlife value How much disease-resistance?

  8. Whitebark Pine Health(Pinus albicaulis) • Increasing demand for planting • Forest industry • Mining industry • First Nations • Parks • Harvested • Keystone species, supporting grizzly bears and others. • First western tree on Endangered List (SARA, June 2012)

  9. Seeds: important wildlife food Birds: 6 families, 13 species Small Mammals: 2 families, 8+ species Large Mammals: 1 family, 2 species: Grizzly and black bears

  10. Insert tree planting photo

  11. Disease Resistence Screening

  12. Inoculations Kalamalka Research Centre (BC) Dorena Tree Improvement Center (USFS) Field Trials (Kootenays) Beginning 2013 - 2014

  13. First western tree on Endangered List (SARA, June 2012)

  14. 2-4% of trees observed (2008 SDM, 2012 YSM) • > 50% in some pine plantations.

  15. Lodgepole Pine • Plantation ages were between 14-24 years • Three Plantations • Recorded: % Circumference Removed and Vertical Extent

  16. Must remove >70%-circumference of tree cambium

  17. 2013/14 • Provide Assistance Where Needed • Root Disease Trial Analysis • Continue Rust Screening • White Pine Trials (resistance and pruning) • Long-term Site Productivity Network (LTSP) • Long-term Forest Health Plots: Whitebark Pine • Bear Damage • Climate Change (e.g. Birch Decline)?

  18. michael.murray@gov.bc.ca

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