2007 North Central Weed Science Society Proceedings

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Weed Biology, Ecology and Management

Biological Characteristics of Common Lambsquarters Biotypes with Tolerance to Glyphosate.  Andrew M. Westhoven*, Purdue University, West Lafayette, IN; Jeff M. Stachler, The Ohio State University, Columbus, OH; Mark M. Loux, The Ohio State University, Columbus, OH; and William G. Johnson, Purdue University, West Lafayette, IN.(41)

**Understanding the Chenopodium Complex using DNA-based Markers. Sukhvinder Singh* and Patrick J. Tranel, University of Illinois, Urbana, IL.(42)

Seed Chemical and Physical Defense in Relation to Seedbank Persistence. A. S. Davis*, J. Iannuzzi, and K. A. Renner, USDA-ARS Invasive Weed Management Unit, Urbana, IL and Michigan State University, East Lansing, MI.(43)

**The Effects of Crop Canopy Light Interception on Weed Emergence.   Rutendo P. Nyamusamba*, Michael Moechnig, and Darrell Deneke, South Dakota State University, Brookings, SD.(44)

Effect of Transgenes from Sorghum on the Fitness of Shattercane × Sorghum Hybrids. Lilyrani Sahoo*, John L. Lindquist, and Donald J. Lee, University of Nebraska, Lincoln, NE and Jeffrey F. Pedersen, USDA, ARS, Lincoln, NE. (45)

Changes in Weed Seed Bank Composition and Density During Transition to Organic Production. Isabel Rosa and John Masiunas*, University of Illinois, Urbana, IL . (46)

Feedback Response of Common Sunflower and Giant Ragweed Growth in Kansas's Soil. Analiza Henedina M. Ramirez* and Anita Dille, Kansas State University, Manhattan KS. (47)

Effect of Glyphosate-Resistant Volunteer Corn on Glyphosate-Resistant Corn.  Lizabeth A.B. Stahl*, Milton J. Haar, Jodie K. Getting, Ryan P. Miller, and Thomas R. Hoverstad, University of Minnesota, St. Paul, MN. (48)

Influence of No-till Management Practices and Herbicide Application Timing on Winter Annual Weeds.  Vince M. Davis*, Kevin D. Gibson, and William G. Johnson, Purdue University, West Lafayette, IN. (50)

Effects of Root Segmentation on Canada Thistle Suppression. Richard Crow* and Ed Luschei, University of Wisconsin, Madison, WI.(105)

Suppression of Canada Thistle with Summer Annual Cover Crops and Mowing - Year 2. Abram Bicksler* and John Masiunas, University of Illinois, Urbana, IL.(106)

Response of Corn to Palmer Amaranth, Water, and Nitrogen Stresses. J. Anita Dille*, Ella K. Ruf, and Dwain M. Rule, Kansas State University,
Manhattan, KS. (107)

Influence of Seed Burial by Earthworms and Seed Predation by Vertebrates on Seedling Recruitment in Giant Ragweed. Jianyang Liu*, Emilie Regnier and Kent Harrison, The Ohio State University, Columbus, OH. (108)

Assessing Organic Seed Treatments for Enhanced Corn Establishment.  Nicholas J. Goeser*, Janet L. Hedtcke, Edward C. Luschei and Erin M. Silva, University of Wisconsin-Madison, WI. (109)

The Management of Glyphosate Resistance Through Pollen in Common Ragweed (Ambrosia artemisiifolia L.)  Johnathan P. Dierking* and Reid J. Smeda, University of Missouri, Columbia, MO. (110)

Genetics of Glyphosate Resistance in a Missouri Waterhemp Population.  Michael S. Bell*, Kevin W. Bradley and Patrick J. Tranel, University of Illinois at Urbana-Champaign, IL and University of Missouri, Columbia, MO. (111)

Seed Ecology and Biomass Production of Poison Hemlock (Conium maculatum L.).  Carl A. Woodard* and Reid J. Smeda, University of Missouri, Columbia, MO. (112)

First Indication of Adaptive Evolution in North American Microbes as a Result of Garlic Mustard Invasion. Rachel N. Nodurft*, Kevin D. Gibson and Steven G. Hallett, Purdue University, West Lafayette, IN.(113)

Response of Soybean Cyst Nematode to Winter Annual Weed Removal Timings. Valerie A. Mock*, Purdue University, West Lafayette, IN;  J. Earl Creech, University of Nevada Cooperative Extension, Fallon, NV; and William G. Johnson, Purdue University, West Lafayette, IN.(114)

Competition of Annual Morningglory (Ipomoea spp.) in Corn and Soybean.  Phillip J. Parrish*, Dawn E. Nordby and Emerson D. Nafziger, University of Illinois, Urbana, IL. (115)

The Effects of Variable Water Supply on Corn and Velvetleaf.  Logan G. Vaughn*, John L. Lindquist and Mark L. Bernards, University of Nebraska-Lincoln, Lincoln, NE . (116)

Relationships Among Sweet Corn Canopy Traits and Competitive Ability.  Yim So*, Martin M. Williams II, Jerald. K. Pataky and Adam Davis, University of Illinois, Urbana, IL and Invasive Weed Management Unit, USDA-ARS, Urbana, IL.(117)

Influence of Selected Herbicide Treatments on Goldenrod Control, Total Forage Yield, and Total Forage Quality in Tall Fescue Pastures. Kristin K. Payne*, Travis R. Legleiter, Jimmy D. Wait and Kevin W. Bradley, University of Missouri, Columbia, MO. (118)

NCWSS Proceedings, Volume 62
© 200
7, North Central Weed Science Society, Inc.