Slide Presentations from Past Meetings

The Western Society of Weed Science strives to expand educational opportunities to its members and others involved in plant sciences. The following slide presentations are for educational purposes only and may not portray the thoughts and views of the entire Society membership.

Questions about material contained in each presentation should be directed back to the author and not the Society.

2011 – Invasive Plants Symposium – Spokane, WA
Ecology and Management of Invasive Species. – Dean Pearson and Yvette Ortega, USFS Rocky Mountain Research Station, Missoula, MT Ecological Effects of Invasive Plants on Forest Ecosystems. – Timothy B. Harrington, USDA Forest Service, Olympia, WA – Michael Newton, Oregon State University, Corvallis, OR Impact of Invasive Plants on Rangeland and Grassland Ecosystems. – Joe DiTomaso, Univ. of California, Davis, CA Spotted Knapweed and Songbirds: Understanding the Nature of Invader Impacts. – Yvette Ortega and Dean Pearson, Rocky Mountain Research Station. Impact of Spartina and its Control in Willapa Bay, WA on Migratory Shorebird Foraging and Native Marsh Succession. – Kim Patten & Carol O’Casey, Washington State University. Impacts of Exotic Plants in Natural Systems: Methods and Findings of Experimental Research. – Tanya C. Skurski, Bruce D. Maxwell, Lisa J. Rew, Land Resources & Environmental Sciences, Montana State University. Do Not Fiddle While Rome Burns: Directing Research to Address Management and Policy. – Sarah Reichard, University of Washington.

2009 – Biological Control of Invasive Plants – Albuquerque, NM
Overview of Biological Control of Invasive Weeds-Historical Perspective and Appropriate Uses. – David Thompson, NMSU, Las Cruces APHIS Requirement for Test Populations, Technical Advisory Group Function, Permits. – Robert S. Johnson, USDA-APHIS-PPQ, Riverdale, MD Role of US Fish and Wildlife Service in Review. – Greg Beatty, US Fish and Wildlife Service, Phoenix, AZ Combining Biocontrol with Herbicides or Grazing. – Rod Lym, NDSU, Fargo Mowing Combined with Biological Control for Field Bindweed Management. – Jerry Michels, Texas A&M Univ, Amarillo How Effective is Biological Control, What are its Limitations, and How Can We Do a Better Job? – Lincoln Smith, USDA-ARS, Albany, CA Risk Assessment in Biological Control. – Mark Anderson, NMSU, Las Cruces Leafy Spurge and Muskthistle Biocontrol in New Mexico. – Kevin Gardner, NMSU, Las Cruces Salvinia on the Colorado River; Other Aquatics. – Dewey Murray, USDA-APHIS-PPQ, Phoenix, AZ Tamarisk in Texas. – Allen Knutson, Texas A&M Univ, Dallas Dalmation Toadflax. – Andrew Norton, Colorado State Univ, Ft. Collins The Role of State Insectaries in the Biological Control of Weeds. – Dan Bean, Colorado Dept. of Ag, Palisade Biological Control Possibilities for the Southwest. – David Thompson, NMSU, Las Cruces Eradication of Saltcedar and Giant Cane along the Big Bend Reach of the Rio Grande. – Mark Briggs, World Wildlife Fund, Big Bend National Park, TX Utilization of Tamarisk by Southwestern Willow Flycatchers and other Bird Species. – Mark Sogge, US Geological Survey Habitat Recovery After Simulated Salt Cedar Leaf Beetle Impacts. – Tom Dudley, Univ of California, Santa Barbara

2009 – Jointed Goatgrass Symposium – Albuquerque, NM
Symposium Booklet (Numbers in booklet correspond to the numbering listed below) *PAPERS* [1] National Jointed Goatgrass Research Program: History, Politics and Administration. Darrell L. Hanavan, Executive Director, Colorado Wheat Administrative Committee, Centennial, CO and Alex Ogg, National Jointed Goatgrass Program, Ten Sleep, WY. [Abstract Only] [2] Climatic Variability as a Driving Force For Integrated Weed Management. Doug Schmale, National Jointed Goatgrass Program, Lodgepole, NE and Randy Anderson, ARS-USDA, Brookings, SD. [3] Integrated Management of Jointed Goatgrass in the Pacific Northwest. Frank Young, ARS-USDA, Pullman, WA; Joe Yenish, Washington State University, Pullman; Dan Ball, Oregon State University, Pendleton; and Donn Thill, University of Idaho, Moscow. [4] Integrated Jointed Goatgrass Management Systems in the Central and Southern Great Plains. Phillip W. Stahlman and Patrick W. Geier, Kansas State University, Hays; and Thomas F. Peeper, Oklahoma State University, Stillwater. [5] Impact of Weed Genetics on Weed Management: Jointed Goatgrass in Wheat–A Case Study. Carol Mallory-Smith, Oregon State University, Corvallis and Robert Zemetra, University of Idaho, Moscow. [6] How the Principles Developed in This National Program Can Be Applied to Other Invasive Weed Problems: A Brainstorming Session. Phil Westra, Colorado State University, Ft. Collins and Drew Lyon, University of Nebraska, Scottsbluff, NE. [Abstract Only] POSTERS* [7] Jointed Goatgrass Research from Wyoming and Nebraska. Stephen D. Miller, Andrew R. Kniss, David W. Wilson, University of Wyoming, Laramie, and Drew J. Lyon, University of Nebraska, Scottsbluff. [8] Jointed Goatgrass Research in Colorado Over Eleven Years. Philip Westra, Todd Gaines, Pat Byrne, Sarah Ward, and Scott Nissen, Colorado State University, Ft. Collins; and Dale Shaner, USDA-ARS, Ft. Collins, CO. [9] Controlling Jointed Goatgrass In The Central Great Plains. Robert N. Klein* and Gordon E. Hanson, University of Nebraska, North Platte. [10] Jointed Goatgrass Management Strategies in Oklahoma Winter Wheat. Thomas F. Peeper, Oklahoma State University, Stillwater. [11] Developing a Jointed Goatgrass Management Program for the Intermountain West. Ralph E. Whitesides, Corey V. Ransom, Utah State University, Logan; and Don W. Morishita, University of Idaho, Twin Falls. [12] Influence of Fallow Tillage on Jointed Goatgrass Emergence and Competition in Winter Wheat. Daniel A. Ball, Oregon State University, Pendleton; Jack O. Evans, Utah State University, Logan; Gail A. Wicks, University of Nebraska, North Platte. [13] Competitive Wheat: A Key Component in Integrated Weed Management. Steven Seefeldt, USDA-ARS, Fairbanks, AK and Alex Ogg, USDA-ARS (retired), Ten Sleep, WY. [14] Jointed Goatgrass Best Management Practices and Clearfield Wheat Risk Assessment. Phillip W. Stahlman, Patrick W. Geier, John C. Frihauf, and Anthony D. White. Kansas State University, Hays; Monsanto Co., Hannibal, MO. [15] Pacific Northwest Extension Activities on Jointed Goatgrass. Joseph P. Yenish, Roland Schirman, Doug Schmale, and Eric Zakarison, Washington State University, Pullman. [16] Pacific Northwest USDA-ARS Research and Extension Activities. Frank L. Young, USDA-ARS, Pullman; Joseph P. Yenish, Laylah S. Sullivan, Washington State University, Pullman; Daniel A. Ball, Oregon State University, Pendleton; Donn C. Thill, and Richard S. Zemetra, University of Idaho, Moscow. [17] WERA-077 Managing Invasive Weeds in Wheat. Joe Yenish, Washington State University, Pullman; Andy Hulting, Oregon State University, Corvallis; Andrew Kniss, University of Wyoming, Laramie; Drew Lyon, University of Nebraska, Scottsbluff; and Phil Westra, Colorado State University, Fort Collins. [18] Prediction and Prevention of Seed Production in Jointed Goatgrass. Daniel A. Ball, Oregon State University, Pendleton; and Alex G. Ogg Jr., USDA-ARS, Pullman, WA (retired). [19] Seed Dormancy and Germination Characteristics of Jointed Goatgrass. Lynn Fandrich and Carol Mallory-Smith, Oregon State University, Corvallis. [20] Seed Shattering In Jointed Goatgrass (Aegilops Cylindrica) Populations From Cropping And Not Cropping Environments. Elena Sanchez-Olguin, Carol Mallory-Smith, Oregon State University, Corvallis Oregon. [21] Ecotype Response Of Jointed Goatgrass Caryopses To Vernalization Duration. Michael Quinn, Carol Mallory-Smith, Oregon State University, Corvallis, OR; And Lynn Fandrich, Colorado State University, Fort Collins, CO. [22] Size of Jointed Goatgrass Seed Varies by Floret Position. Lynn Fandrich* and Carol Mallory-Smith, Oregon State University, Corvallis. [23] Determining Physiological Maturation Of Jointed Goatgrass (Aegilops Cylindrica) Caryopses. Michael P. Quinn* and Don W. Morishita, University of Idaho, Twin Falls; William I. Price, University of Idaho, Moscow. [24] Molecular Evidence For Genetic Structure In Jointed Goatgrass (Aegilops Cylindrica). Bethany F. Econopouly, John K. McKay, Harald Meimberg, Scott Reid, and Philip Westra, Colorado State University, Fort Collins. [25] Assessing the Risk of Gene Flow Between Wheat and Jointed Goatgrass. Z. Wang, M. Rehman, J. Hansen, and R.S. Zemetra, University of Idaho; A. Perez-Jones, L. Kroiss, H. Gandi, C. Watson, O. Riera-Lizarazu, M.I. Vales, and C. Mallory-Smith, Oregon State University. [26] Where the Money Was Spent. Alex Ogg, USDA-ARS (retired), Ten Sleep, WY

2007 – Knotweed Symposium – Portland, OR
Proceedings Booklet (Numbers in booklet correspond to the numbering listed below) The Genetics of Invasive Knotweed Species in Europe . J. Bailey, Univ. of Leicester, UK Invasion dynamics and Ecology of Knotweeds in Central Europe: A Hybrid Superior to Parental Species. P. Pysek, Insitute of Botany, Acad Sci Czech Republic, Pruhonice, Czech Republic Vegetative Regeneration by Japanese Knotweed. J. Brock, Arizona State Univ, Mesa. Current Status of Herbicides for Controlling Invasive Knotweeds in the United States. T. Miller, Washington State Univ., Mount Vernon. Herbicide Trials for Bohemian Knotweed. K. Patten and C. Metzger, Washington State Univ, Long Beach. Ecological Consequences of Giant Knotweed (Polygonum sachalinese) Invasion into Pacific Northwest Riparian Forests. L. Urgenson and S. Reichard, Univ. of Washington, Seattle. Developing a Biological Control program for Invasive Knotweeds. (Slide Set 1) Developing a Biological Control program for Invasive Knotweeds. (Slide Set 2) F. Grevstad et al. University of Washington, Long Beach. The Role of Temporal and Spatial Variability in the treatment of Bohemian Knotweed on the Hoh River, Washington, USA. D. Campbell et al., National Park Service, Port Angeles, WA. What is the Threat from Invasive Knotweed Seed Production? T. Miller, Washington State Univ., Mount Vernon. Invasive Knotweed Control in King County, Washington. S. Shaw, King County Noxious Weed Program, Seattle, WA Management of Knotweed in the Upper Skagit River Basin of Washington M. Holman, Skagit Coop. Weed Management Area, The Nature Conservancy. Eradicating Small Knotweed Patches Without Herbicide. S. Nickelson, Seattle Public Utilities, North Bend, WA. Non-Herbicidal Treatments of Japanese and Himalayan Knotweed on the Queen Charlotte Islands, BC. M. Cheney, Northwest Invasive Plant Council, Masset, BC Canada. Replacing Knotweed with Desirable Vegetation in Northern Coastal Oregon. G. Aherens, Oregon State Univ. Ext., Astoria. The Nature Conservancy’s Sandy River Watershed Knotweed Control Program: Lessons from Six Years of Landscape Scale Control. J. Soll, The Nature Conservancy, Portland, OR. The Washington State Program for the Control of Invasive Knotweeds. M. Udo, Washington Dept. of Agric., Olympia.

2006 – The Shadow of 911 – Agricultural Bioterrorism in North America
Crop Biosecurity Threat Rating Using Analytical Hierarchial Methods. D. Luster, USDA-ARS, Ft. Detrick, MD After the Threat: Chasing Bioterrorism Agents. B. Cobb, Cobb Consulting Services, Kennewick, WA

2004 – Salt Cedar Symposium — Colorado Springs
Member Survey Results. P. Stahlman, WSWS President Restoration of Native Shrub/Grass Plant Communities on Xeric Saltcedar Infestation Sites. K.D. Lair and S.L. Wynn, Bureau of Reclamation, Denver Adaptive Riparian Restoration. J. Taylor U.S. Fish & Wildlife Service, Socorro, NM and L. Lair, Bureau of Reclamation, Denver, CO Tamarisk Mapping in the West and Importance of Coalition Building. E. Lane, Colorado Dept. of Ag., Lakewood. Biocontrol of Saltcedar. Dave Kazmer, USDA-ARS, Sidney, MT. Soil Salinity and Demographic Characteristics of Saltcedar Invasions in Northcentral Wyoming. C. G. Ladenburger, A. Hild, Univ. of Wyoming, Laramie and D. Kazmer, USDA-ARS Sidney, MT *Competitive Opportunities for Native Plants: Invasive Tamarix ramosissima* Establishment Ecology. A. Sher, Univ. of Denver and Denver Botanical Gardens, Denver, CO. Partnerships in Mapping Tamarix and Other Invasive Species in the U.S. T. Davern et al. Biology and Ecology of Tamarix. J. DiTomaso, Univ. of California, Davis. Saltcedar Control and Water Salvage on the Pecos River, Texas.** C. R. Hart, L. D. White, A. McDonald, and Z. Sheng, Texas A&M Univ.

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Slide Presentations from Past Meetings

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