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High Desert Green Industry Invasive Spp
This document provides an overview of invasive species for green industry professionals. It begins with definitions of key terms like invasive, exotic, and noxious. It then discusses why invasive species are an issue, costing $143 billion per year in the US. The document covers the biology and management of invasives, including prevention, early detection, and control methods. It profiles several invasive plant species in Oregon like knotweed, butterfly bush, and yellow star thistle. Finally, it suggests actions professionals can take and lists resources for further information.
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High Desert Green Industry Invasive Spp
- 1. Invasive Species 101: Primer for Green Industry Professionals Robert Emanuel, Ph.D. Water Resources and Community Development Faculty, Tillamook and Clatsop counties
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- 3. Invasive species meansan alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health.
- 7. Biological invaders destroy habitats or outâcompete native plants and animals. Why should we care? Invasive species costs Americans about $143 billion/year! At least 30 new potential biological invaders enter the US every dayâŚ
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- 10. Definitions: Invasive Plants âWeedâ Exotics A plant (nonânative) growing where you do Lots of beneficial not want it. species: Crops, pasture, forestry âNoxiousâ & ornamentals. A regulatory designation. âInvasiveâ Spreads Natives outside of cultivation, and Coâevolution causes with other environmental species, our & economic natural heritage harm.
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- 12. Key Stages in Plant Invasions Escape Lag Time Invasion Introduction Area Infested Cost Time
- 13. What does this mean for management? People notice them here Prevention or Eradication Local control and (Inexpensive) management only (Expensive) Control Costs Area Infested Introduction Detection: focus resources here Time
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- 20. Photo â butterfly bush infestation in Lane Co. Butterfly Bush: Buddleja davidii
- 21. Photo â butterfly bush infestation in Lane Co. Butterfly Bush (Buddleia davidii) Photo: OSU
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- 29. Photo â knotweed Knotweed: Fallopia x bohemicum
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- 34. Photo: Paul Wray, Iowa State University Russian Olive: Elaeagnus angustifolia
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- 43. Eric Coombs, ODA Eric Coombs, ODA Mediterranean sage: Salvia aethiopis
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- 77. Photo: University ofGeorgia Herb Robert: Geranium robertianum
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- 83. What can Green Industry Professionals Do? Know the enemy & teach others about them Research new stock before you order it Grow, sell or design for native & nonâinvasive plants wherever possible Help the public with information on treatment
- 84. What can Green Industry Professionals Do? Get involved in landscape management ordinances where appropriate Get involved in weed management boards Help support local weed identification and education efforts Help support research focused on invasives, control and alternatives
- 85. What can industry professionals do? Watch for hitchhikers in nursery stock Use weedâfree soil and mulch Watch introductions for aggressive behavior Discourage use of commercial wildflower or other mixes. Check clothes, vehicles, equipment, & pets
- 86. Commercial Wildflower or Plant Border Mixes (AKA âMeadow in a Canâ)
- 87. If you have a known invasive (but a client canât part with it) Deadhead faithfully Use root barriers Dispose of plant material properlyâbagged in the garbage or burned (completely) Contain it, control it, or cage it!
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- 99. People and Organizations Brooke Gray Eastern Oregon EDRR Coordinator, Weed Educator: 541â447â6228 Dan Sherwin, Deschutes County Vegetation Manager, dansh@co.deschutes.or.us, 541â322â7135 Local Soil and Water Conservation Districts OSU Extension Service offices in each county
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