North Central Weed Science Society

2004 Proceedings of the
North Central Weed Science Society

Weed biology and ecology

Improved Weed Management Decisions Using Crop-Weed Simulation Model. Dwain M. Rule* and J. Anita Dille, Kansas State Univ., Manhattan. (48)

Response of Selected Indiana Horseweed Populations to Glyphosate Rates. Vince M. Davis*, J. Earl Creech, and William G. Johnson, Purdue Univ., West Lafayette, IN. (49)

Difference in Herbicide Response Among Nightshade and Groundcherry Species in Michigan. Vijaikumar Pandian* and Bernard H.Zandstra, Michigan State Univ., East Lansing. (50)

Floral Morphology and Potential for Outcrossing in Two Eastern Black Nightshade Biotypes. Dean S. Volenberg*, Dean E. Riechers, William F. Simmons, and Patrick J. Tranel, Univ. of Illinois, Urbana-Champaign, IL. (51)

Solaria Provide PrePlant Information on Weed Densities, Distributions and Management. Juan J. Eyherabide, Dean Peterson*, Frank Forcella, Universidad de Mar del Plata, Balcarce, Argentina, and USDA-ARS, Morris, MN. (52)

Trade-off Between Fecundity and Introgression in Advanced Waterhemp x Smooth Pigweed Hybrid Generations. Federico Trucco*, Tatiana Tatum, A. Lane Rayburn, and Patrick J. Tranel, Univ. of Illinois, Urbana. (53)

Comparative Biology of Glyphosate-Resistant and Glyphosate-Susceptible Common Ragweed. Brent A. Sellers*, Justin M. Pollard, and Reid J. Smeda. Univ. of Missouri, Columbia. (54)

The effects of interplant variation on Ambrosia trifida L. emergence patterns. Brian J. Schutte*, Emilie E. Regnier and S. Kent Harrison, the Ohio State Univ., Columbus. (55)

Purple deadnettle Effects on Soybean Cyst Nematode Populations in No-till Soybean. R. Venkatesh*, S. K. Harrison, E. E. Regnier, and R. M. Riedel, the Ohio State Univ., Columbus. (56)

Velvetleaf EPSPS mRNA expression with time of day, glyphosate application, and leaf number. Aaron L. Waltz*, Don J. Lee, Alex R. Martin, and Fred W. Roeth, Univ. of Nebraska-Lincoln; and Scott R. Baerson, USDA-ARS Natural Products Research Unit, Univ., MS. (57)

RAPD Analysis on Genetic Diversity of Nightshade Species in the North Central Region. Altanbadralt Sharkhuu*, Peter B. Goldsbrough and Steve C. Weller, Purdue Univ., West Lafayette, IN. (58)

Success of Lanceleaf sage (Salvia reflexa Hornem) Cohorts in soybean. Gauri A. Nazre* and George Kegode, North Dakota State Univ., Fargo. (59)

Giant Ragweed Population Dynamics in Glyphosate-Resistant Corn and Soybean Cropping Systems. Mark R. Jeschke* and David E. Stoltenberg, Univ. of Wisconsin, Madison. (60)

Apple of Peru Biology and Control in Corn, Soybean, and Vegetable Crops. Joel Felix* and Douglas Doohan, OARDC, the Ohio State Univ., Wooster. (61)

Variation in Herbicide Response Smong Eastern Black Nightshade and Hairy Nightshade Populations in Michigan. Vijaikumar Pandian* and Bernard H.Zandstra, Michigan State Univ., East Lansing. (91)

Effect of Hairy Vetch (Vicia villosa Roth) Residue on Weed Species Composition in Pickling Cucumber. Erin C. Hill* and Mathieu Ngouajio, Michigan State Univ., East Lansing. (92)

Glyphosate-Resistant Crop Effect on Weed Dynamics in Wheat. George O. Kegode* and Mark G. Ciernia, North Dakota State Univ., Fargo. (93)

Influence of Weed Management Treatments on Soil Seed Bank Dynamics. Gustavo M. Sbatella* and Stephen D. Miller, Univ. of Wyoming, Laramie. (94)

Influence of Tillage and Crop on Giant Ragweed Emergence, Seed Distribution and Longevity. Dawn E. Nordby* and Martin M. Williams II, Univ. of Illinois and USDA-ARS, Urbana. (95)

The Effects of Cultural Practices on Nightshade Competition with Processing Tomatoes. Abram J. Bicksler* and John B. Masiunas, Univ. of Illinois, Urbana-Champaign. (96)

Giant Ragweed Interference in Corn: Impact of N Rate and Application Timing. Eric J. Ott*, William G. Johnson, and Reece A. Dewell. Purdue Univ., West Lafayette, IN. (97)

Giant Ragweed Interference Among Cropping Systems. Jerron T. Schmoll*, Emilie E. Regnier, and S. Kent Harrison. the Ohio State Univ., Columbus. (98)

Weed Population Development over Two Years of Site-Specific Weed Management. Jeffery W. Vogel*, J. Anita Dille, Phillip W. Stahlman, and Robert E. Wolf. Kansas State Univ., Manhattan. (99)

Economic Evaluation of Site-Specific Herbicide Application. J. Anita Dille*, Tyler W. Rider, Jeffery W. Vogel, and Kevin C. Dhuyvetter, Kansas State Univ., Manhattan. (100)

Some Biological Characteristics That Foster The Invasion of Prosopis juliflora (SW.) DC. at Middle Awash Rift Valley Area, North-Eastern Ethiopia. Hailu Shiferaw*, Dr. Demel Teketay, Dr. Sileshi Nemomissa, and Dr. Fassil Assefa, Ethiopian Agricultural Research Organization and Addis Abeba Univ., Addis Abeba, Ethiopia. (118)

Primary seed dormancy in Ambrosia trifida L. (giant ragweed). Brian J. Schutte*, Emilie E. Regnier and S. Kent Harrison. the Ohio State Univ., Columbus. (119)

Secondary Seed Dispersal by the Earthworm, Lumbricus terrestris. Emilie E. Regnier*, S. Kent Harrison, and Jerron T. Schmoll, the Ohio State Univ., Columbus. (120)

Defining the Environmental Requirements of a Candidate Bioherbicide for Common Waterhemp. David A. Smith, David A. Doll, Daljit Singh* and Steven G. Hallett, Purdue Univ., West Lafayette, IN. (121)

Growth Analysis of Longspine Sandbur. Leandro D. Perugini*, Phillip W. Stahlman, and J. Anita Dille, Kansas State Univ., Manhattan. (122)

Morphological Variation of Common Lambsquarters and Giant Foxtail Associated With Crop-Mediated Changes In Light Quality. Greta G. Gramig* and David E. Stoltenberg, Univ. of Wisconsin, Madison. (123)