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EAB What Can We Do About it? Preparedness & Management

EAB What Can We Do About it? Preparedness & Management. David Cappaert, Michigan State University. Outline. EAB in North America EAB in Michigan What can we do about EAB? Large scale vs small scale Prevent Spread Find it Early Slow it Down. EAB in North America.

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EAB What Can We Do About it? Preparedness & Management

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  1. EAB What Can We Do About it?Preparedness & Management David Cappaert, Michigan State University

  2. Outline • EAB in North America • EAB in Michigan • What can we do about EAB? • Large scale vs small scale • Prevent Spread • Find it Early • Slow it Down

  3. EAB in North America

  4. EAB in North America 2010

  5. EAB in North America 2007

  6. EAB in North America 2008

  7. EAB in North America 2009

  8. EAB in North America 2010

  9. EAB in Michigan

  10. EAB in Michigan St Paul Infestation Discovered This is a hypothetical example of how EAB population size and tree mortality change over time. Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  11. EAB in Michigan St Paul Infestation Discovered This is a hypothetical example of how EAB population size and tree mortality change over time. Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  12. EAB in Michigan St Paul Infestation Discovered This is a hypothetical example of how EAB population size and tree mortality change over time. Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  13. EAB in Michigan St Paul Infestation Discovered Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  14. EAB in Michigan From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  15. EAB in Michigan St Paul Infestation Discovered This is a hypothetical example of how EAB population size and tree mortality change over time. Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  16. EAB in Michigan St Paul Infestation Discovered This is a hypothetical example of how EAB population size and tree mortality change over time. Typical Detection Window From McCullough, et al (http://ncra.wisc.edu/ESCOP2008meeting/Deb2008.pdf)

  17. EAB Population Change / Tree Mortality

  18. Hypothetical example EAB Population Tree Mortality Years Since Introduction

  19. Hypothetical example EAB Population Applying Management Hypothetical example Tree Mortality

  20. What Can We Do About EAB? Prevent spread Find it early Slow it down Tony Kimoto, CFIA

  21. Difference of Scale Regional Landscape Yard Large Scale Small Scale

  22. What Can We Do About EAB?Prevent Spread

  23. Large Scale- Quarantines • Applies to: • Ash in any form • Hardwood firewood • Rules: • Can’t leave quarantine without formal approval • Can pass through quarantine with some caveats • Can enter quarantine • Contact MN Department of Agriculture • For more information: • Arrest.The.Pest@state.mn.us • 651-201-6684 (metro) or 888-545-6684

  24. Quarantined Counties in MN

  25. Large Scale - Firewood Usage Use Local or Treated Firewood

  26. Small Scale – BMPS’s • Reduce risk of short-distance spread within quarantine • Avoid removals / pruning of ash May through August • If unavoidable, process quickly close to source

  27. Small Scale – BMPS’s

  28. Small Scale – BMPS’s

  29. What Can We Do About EAB?Find it Early

  30. Large Scale - Detection

  31. Large Scale - Detection • Arrest the Pest • First Detector Network

  32. What If You Believe You Have Found EAB? Go to: http://www.mda.state.mn.us/eab or Arrest.The.Pest@state.mn.usor Call the ‘Arrest the Pest’ hotline - 651-201-6684 - Metro Area - 1-888-545-6684 - Greater Minnesota

  33. What Can We Do About EAB?Slow it Down

  34. Large Scale – Slowing EAB Down • Remove beetle producing trees • Draw beetles to sink (sacrificial) trees and remove • Insecticide treatments for selected trees • Preemptive removal of undesirable trees

  35. Prioritizing Tree Removal – Rating Trees Woodpeck pictures

  36. Prioritizing Tree Removal – Rating Trees - 1

  37. Prioritizing Tree Removal – Rating Trees - 2

  38. Prioritizing Tree Removal – Rating Trees - 3

  39. Prioritizing Tree Removal – Rating Trees - 4

  40. Prioritizing Tree Removal – Ratings vs Results

  41. Prioritizing Tree Removal – Ratings vs Results

  42. Prioritizing Tree Removal – Ratings vs Results

  43. Impact of Removing Priority Trees – Measuring EAB Density

  44. Impact of Removing Priority Trees

  45. EAB Success vs Mortality

  46. EAB Success vs Mortality

  47. Considerations for Treating EAB Is ash within 10 -15 miles of a known infestation? Small Scale – What About Your Tree?

  48. Considerations for Treating EAB What is the state of health of the ash? Small Scale – What About Your Tree?

  49. Small Scale – What About Your Tree? Health of Ash • If it is healthy (has lost less than 40% – 50% of its canopy) possible candidate for protecting • If ash has > 40% - 50% loss in canopy, not worth saving - tree maintenance is too high, especially if steadily declining - treatment less effective as girdling from borers increases

  50. Small Scale – What About Your Tree? Percent Dieback

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