2007 North Central Weed Science
Society Proceedings

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Gene Flow Symposium

Identifying Maize Diversity Areas and Implications Regarding Biosafety Measures. Francisca Acevedo*, José Sarukhán, Jorge Larson, Elleli Huerta, Patricia Koleff, Claudia Aguilar, Alejandra Barrios and Oswaldo Oliveros, National Commission for the Knowledge and Use of Biodiversity, CONABIO, Mexico City, Mexico and Ministry of the Environment and Natural Resources, Mexico City, Mexico (66)

Interloper’s Legacy: Invasive, Hybrid-Derived California Wild Radish (Raphanus sativus) Evolves to Outperform its Immigrant Parents. Caroline E. Ridley*, Rosamond F. Tsao and Norman C. Ellstrand, University of California, Riverside, CA. (68)

Sympatry and Hybridization of Canola and Bird Rape (Brassica rapa) in Quebec. Marie-Josée Simard, Anne Légère, and Suzanne I. Warwick*, Agriculture and Agri-Food Canada (AAFC) Québec, QC; Saskatoon, SK; and Ottawa, ON, Canada. (69)

Do Escaped Transgenes Persist in Nature? The Case of an Herbicide Resistance Transgene in Weedy Population of Brassica rapa. Suzanne I. Warwick*, Anne Légère, Marie-Josée Simard, and Tracey James, Agriculture and Agri-Food Canada (AAFC) Ottawa, ON; Saskatoon, SK; Québec, QC; and Ottawa, ON, Canada. (70)

Measuring the Effects of Crop Genetic Load on Productivity and Fitness in Weedy Brassica rapa (wild turnip) × Brassica napus (oilseed rape) Hybrid Populations. Reginald J. Millwood*, Christy W. Rose*, and C. Neal Stewart, Jr., University of Tennessee, Knoxville, TN. (71)

Strategies to Reduce Transgene Movement and Persistence. Hong S. Moon*, Jason N. Burris*, Reginald J. Millwood, Christy W. Rose, and C. Neal Stewart, Jr., University of Tennessee, Knoxville, TN. (72)

Estimating Pollen-Mediated Gene Flow in Colorado Corn Fields with the Blue Kernel Trait. Patrick F. Byrne*, Todd A. Gaines, Ron F. Meyer, and Rob Alexander, Colorado State University, Fort Collins, CO; Colorado State University, Burlington, CO; Boulder County Parks and Open Space Department, Longmont, CO. (73)

Assessment of Potential Impact of Hybridization between Teosinte (Zea ssp.) and Maize (Zea mays ssp. mays) on Dormancy Characteristics of Teosinte. Baltazar M. Baltazar*, William J. Duncan, Daniel L. Kendrick and Michael J. Horak, Monsanto Company, St. Louis, MO. (74)

Regulation of Diurnal Pollen Release. Brian Viner*, Ray Arritt and Mark Westgate, Iowa State University, Ames, IA. (75)

Lifetime Fecundity of F1 Crop-Wild Sorghum Hybrids: Implications for Gene Flow from Transgenic Sorghum in Africa. Allison A. Snow, Patricia M. Sweeney*, Cécile Grenier, Tesfaye Tesso, Issoufrou Kapran, Gurling Bothma, Gebisa Ejeta, and Jeffrey F. Pedersen, The Ohio State University, Columbus, OH; Purdue University, West Lafayette, IN; Ethiopian Institute of Agricultural Research, Nazareth, Ethiopia; Institut National de la Recherche Agronomique du Niger, Niamey, République du Niger; ARC-Roodeplaat, Pretoria, South Africa; and USDA, ARS, University of Nebraska, Lincoln, NE. (77)

Crop-Wild Hybridization and the Rate of Evolution in Weeds. Lesley. G. Campbell*, Allison A. Snow, and Patricia M. Sweeney, University of Maryland, College Park, MD and The Ohio State University, Columbus, OH. (78)

Modeling Pollen Dispersal between Fields of White Clover – Co-existence with GM-White Clover? Christina L. Løjtnant*, Christian. F. Damgaard and Rikke B. Jørgensen, Risø National Laboratory; Technical University of Denmark, DK-4000 Roskilde, DMU; and University of Århus, DK-8600 Silkeborg, Denmark. (79)

Biosafety Assessment and Benefits for Co-existence of Biological Contained Plants – Regulatory Assessment in the EU-project “TransContainer”. Christiane Koziolek* and Detlef Bartsch, Federal Office of Food Safety and Consumer Protection, Berlin, Germany. (80)

Addressing Gene Flow Issues in Cowpea for West Africa.  Remy Pasquet, ICIPE, IRD Nairobi, Kenya; Barry Pittendrigh, Purdue University, West Lafayette, IN; Mohammad Ishiyaku, Ahmadu Bello University, Zaria, Nigeria; Ibrahim Baoua, INRAN, Maradi, Niger; Clementine Dabiré, INERA Ouagadougou, Burkina Faso; Malik Ba, INERA, Ouagadougou, Burkina Faso; Manuele Tamò, IITA Cotonou, Benin; Larry Murdock, Purdue University, West Lafayette, IN; and Joseph Huesing*, Monsanto Company, St. Louis, MO. (81)

Seed Mediated Gene Flow in Canola . Linda M. Hall* and Robert Gulden, University of Alberta, Edmonton, AB. (128)

Pollen Mediated Gene Flow in Canola. Hugh Beckie* and Linda Hall, Agriculture and Agri-Food Canada, Saskatoon, SK and University of Alberta, Edmonton, AB. (129)

Interspecific Gene Flow in Canola. Suzanne I. Warwick*, Agriculture and Agri-Food Canada (AAFC), Ottawa, ON, Canada. (130)

Impact of distinct insect pollinators on gene flow. Johanne Brunet and Karsten G. Holmquist, United States Department of Agriculture, Agricultural Research System, Vegetable Crops Research Unit, University of Wisconsin, Madison, WI. (131)

Ecological Effects of Virus-Resistant Transgenic Squash on Wild Squash Population Dynamics. Holly R. Prendeville* and Diana Pilson, University of Nebraska, Lincoln, NE. (132)

Long-term Field Studies of the Evolution of Crop-Weed Hybrids in Radish: Implications for Invasiveness. Allison A. Snow*, Lesley G. Campbell and Caroline E. Ridley, The Ohio State University, Columbus, OH; University of Maryland, College Park, MD; and University of California, Riverside, CA. (133)

Weed-to-Weed Gene Flow – What is the Potential for Glyphosate Resistance Movement via Interspecific Hybridization?  Micheal D. K. Owen* and Ian A. Zelaya, Iowa State University, Ames, IA and Syngenta Ltd. Jealott’s Hill International Research Centre, UK. (134)

Gene Flow and Risk Assessment: Case by Case Considerations. Michael J. Horak* and Thomas E. Nickson, Monsanto Company, St. Louis, MO. (135)

Gene Flow Dynamics and Confinement: A Regulatory Perspective. Subray Hegde*, Biotechnology Regulatory Services/APHIS/USDA, Riverdale, MD. (136)

Introduction of a New Issue Paper from CAST, ‘Implications of Gene Flow in the Scale-up and Commercial Use of Biotechnology-Derived Crops: Economic and Policy Considerations’.  David R. Gealy*, USDA-ARS, DBNRRC, Stuttgart, AR. (137)

Modeling the Biology of Out-Crossing by Adventitious Pollen.   Mark Westgate*, Juan Astini, Agustin Fonseca, Jon Lizaso, Craig Clark, and Ray Arritt, Iowa State University, Ames, IA. (199)

Application of a 3D Windbreak Model to Compare Field Plot Designs for Limiting Pollen Dispersal.  Craig Clark, Juan Astini, Ray Arritt*, Mark Westgate and Susana Goggi, Iowa State University, Ames, IA. (200)

Application of Large Eddy Simulation to Quantify Dispersal of Viable Maize Pollen. Brian Viner*, Ray Arritt, Mark Westgate and Susana Goggi, Iowa State University, Ames, IA. (201)

Pollen Flow in the Environment -  Development of a Research Program. John A. Glaser*, USEPA, Office of Research & Development, National Risk Management Research Laboratory, Cincinnati, OH. (202)

Seed-to-Seed and Hay-to-Seed Pollen Mediated Gene Flow in Alfalfa.  Larry R. Teuber*, Shannon Mueller, Allen Van Deynze, Sharie Fitzpatrick, James R. Hagler and Jose Arias, University of California, Davis, Forage Genetics, Inc, West Salem, WI and ARS-USDA, Arid-Land Agricultural Research Center, Maricopa, AZ. (203)

Alfalfa Gene Flow Research and Information: Applicability to Seed Production Systems.  Sharie Fitzpatrick*, Jose Arias, Mark McCaslin and Peter Reison, Forage Genetics, Inc., West Salem, WI. (204)

Red Rice Diversity and Planting Date Effects on Risk of Gene Flow.  Nilda R. Burgos*, Vinod K. Shivrain, David R. Gealy, Kenneth L. Smith, and Robert C. Scott, University of Arkansas, Fayetteville, AK and USDA-ARS, DBNRRC, Stuttgart, AK. (205)

Gene Flow between Sugar Beet and Weed Beet: From Facts to Models. Henri Darmency*, Nathalie Colbach, Mathilde Sester, Yann Tricault, Etienne Klein and Marc Richard-Molard, INRA, Dijon, France. (206)

Commercial-Scale Pollen-Mediated Gene Flow in Winter Wheat in the Central Western Great Plains. Todd A. Gaines, Patrick F. Byrne*, Philip Westra, Scott J. Nissen and Phillip L. Chapman, Colorado State University, Fort Collins, CO; W. Brien Henry, USDA-ARS, Akron, CO; and Dale L. Shaner, USDA-ARS, Fort Collins, CO. (207)

Tier 1 Evaluation of Pollen-Mediated Gene Flow between Triticale (X Triticosecale, Wittmack) and Common Wheat, Durum Wheat and Rye. Melissa J. Hills*, Linda M. Hall and François Eudes, Agriculture and AgriFood Canada, Lethbridge, Alberta; Alberta Agriculture and Food/University of Alberta, Edmonton; and Grant MacEwan College, Edmonton, Alberta. (209)

NCWSS Proceedings, Volume 62
© 2007, North Central Weed Science Society, Inc.