Weed Ecology and Biology

Temperature regulation of seed dormancy of three weeds. Ramon G. Leon-Gonzalez and Micheal D. K. Owen. (49)

Growth and Development of Annual Weeds by Cohort Emergence Times in Corn. Kathrin Schirmacher, J. Anita Dille, Dale L. Fjell, and David L. Regehr. (50)

Emergence characteristics of giant ragweed populations from Ohio, Illinois and Iowa. Robert G Hartzler, , Kent Harrison, Christy Sprague, and Loyd M. Wax. (51)

Velvetleaf Growth in Monoculture and in Soybean. Shawn M. Hock, Stevan Z. Knezevic, Alex R. Martin, and John L. Lindquist. (52)

Estimating Plant Growth in Mixed-Species Communities from Monoculture Experiments. Michael J. Moechnig, David E. Stoltenberg, Chris M. Boerboom, John M. Norman. (53)

Effect of Nitrogen Application Timing and Corn Density on the Competitiveness of Three Iowa Weed Species. Matthew M. Harbur and Micheal D.K. Owen. (54)

Competitiveness of Velvetleaf, Palmer amaranth, and Giant Foxtail in Response to Preemergence herbicide. Konanani B. Liphadzi and J Anita Dille. (55)

Giant Ragweed Competitiveness in Soybeans as Influenced by Postemergence Glyphosate Applications and Row Spacing. Kurt D. Maertens, Christy L. Sprague, and Loyd M. Wax. (56)

Stability of Radiation-Use Efficiency for Estimating Weed Biomass Accumulation in Weed-Corn Communities. Greta G. Gramig and David E. Stoltenberg. (57)

Using Leaf Nitrogen Content to Predict Biomass Allocation Patterns in Corn and Velvetleaf. Kimberly D. Pavelka and John L. Lindquist. (58)

The effect of habitat heterogeneity, characterized by soil organic carbon, on growth and reproductive fitness of common sunflower. Rachelle R. Fargo, John L. Lindquist, David A. Mortensen, and Daniel T. Walters. (59)

Field based evaluation of PST interactions with Canada thistle in non-disturbed sites. Ryan P. Tichich and Jerry D. Doll. (60)

Interaction of Purple Deadnettle and Soybean Cyst Nematode. S. K. Harrison, R. Venkatesh, and E. E. Regnier. (61)

Vegetative Propagation of Common Waterhemp. Christopher L. Schuster and Reid J. Smeda. (112)

Emergence and Development of Common Mallow as Influenced by Soil Moisture and Crop Canopy. Kerry E. Cluney, John Cardina and Doug Doohan. (113)

Retrospective perturbation analysis of cropping system effects on giant foxtail demography. Adam S. Davis, Philip M. Dixon and Matt Liebma. (114)

Relative Competitiveness of Shattercane and Common Sunflower Based on Early Season Growth and Development. Eric L. Blinka, J. Anita Dille, and Kassim Al-Khatib. (115)

Emergence date affects growth and fecundity of redroot pigweed. Ebandro Uscanga, Frank Forcella, and Jeff Gunsolus. (116)

Competitiveness of Selected Weed Species in Soybean. Shawn M. Hock, Stevan Z. Knezevic, Alex R. Martin, and John L. Lindquist. (117)

The Effects of Nitrogen Supply on Root:Shoot Ratio in Corn and Velvetleaf. Kimberly D. Pavelka and John L. Lindquist. (118)

Landscape Assessment of Weed Communities in Glyphosate-Resistant Soybean Systems. Mark A. Fanning, Ed C. Luschei and John Albright. (119) Not Available

Growth Analysis of Lanceleaf Sage in Four North Dakota Soils. Mathew G. Carlson and Kirk A. Howatt. (120)

Effect of light and temperature interactions on weed seed dormancy. Ramon G. Leon-Gonzalez and Micheal D. K. Owen. (121)

Common Pokeweed Control in Corn and Soybean. Scott A. Nolte, Bryan G. Young and Gordon K. Roskamp. (122)

Influence of Organic Matter and pH with Flumetsulam on Velvetleaf Response. Jeff Vogel and Anita Dille. (123)

Sequencing and comparing regions of the EPSPS gene in weed species. Aaron L. Waltz, Don J. Lee, Alex R. Martin, and Fred W. Roeth. (124)

Weed seedling emergence and microclimate in a tropical environment. Friday Ekeleme and Frank Forcella. (125)

Delayed weed emergence and escape from crontrol in glyphosate-tolerant soybean. Susan Hennen, Julio Scursoni, and Frank Forcella (126)

Susceptibility to glyphosate of weed escapes in glyphosate-tolerant soybean. Gary Amundson, Julio Scursoni, and Frank Forcella. (127)

Weed Species Dynamics in Glyphosate-resistant Cropping Systems. Shannon M. Oltmans and Richard K. Zollinger. (128)

Weed diversity and yield in glyphosate-tolerant soybean from Minnesota to Louisiana. Dean Peterson, Julio Scursoni, and Frank Forcella. (129)

Regional Variability in Seed Production of Annual Weeds. Kathrin Schirmacher, J. Anita Dille, Corey J. Guza, James J. Kells, Christy L. Sprague, and George O. Kegode. (130)

Fecundity of Annual Weeds by Cohort Emergence Times in Corn. Kathrin Schirmacher and J. Anita Dille. (131)

Growth and Fitness of Common Sunflower (Helianthus annuus) and Prairie Sunflower (H. petiolaris) as affected by Imidazolinone Resistant Gene(s). Rafael Massinga and Kassim Al-Khatib. (132)

Gene Flow from Imidazolinone Resistant Domesticated Sunflower (Helianthus annuus ) to Common Sunflower (H. annuus) and Prairie Sunflower (H. petiolaris). Kassim Al-Khatib and Rafael Massinga. (133)

Soil Moisture and Crop Canopy Effects on Velvetleaf Emergence and Development. John Cardina, Kerry Cluney and Doug Doohan. (134)

Late-Season Common Waterhemp Interference in Corn. Lawrence E. Steckel and Christy L. Sprague. (143)

Common Waterhemp Interference in Corn. Joseph C. Cordes and William G. Johnson. (144)

Influence of Corn on Common Waterhemp Growth and Fecundity. Dawn E. Nordby and Robert G. Hartzler. (145)

Field Hybridization Rates Between Waterhemp and Smooth Pigweed. Federico Trucco, Patrick J. Tranel, Mark R. Jeschke, and Lane A. Rayburn. (146)

Effect of Nitrogen on Common Waterhemp Control in Corn and Soybean. Ronald F. Krausz and Bryan G. Young. (147)

Measuring the Effects of Rotational Tillage Systems on Weed Population Dynamics in Corn and Soybeans. Ryan P. Miller, Beverly R. Durgan, and Gregg A. Johnson. (148)

Weed Seedbank Communities after 35 Years of Tillage and Rotation. Lynn M. Sosnoskie, John Cardina and Catherine P. Herms. (149)

Using WeedCast Model to Determine Potato Cultivation Timing. Joel Felix, Douglas J. Doohan, Jerry A. Ivany, and George O. Kegode. (171)

Do we need to explicitly model spatial interactions in order to forecast weed population dynamics? Ed Luschei. (172) Not Available

The Long Term Impact of Interactions of Atrazine Rates, Tillage Levels and Cover Crops on Weed Seed Soil Banks. Randall S. Currie. (173)

Risks of Weed Spectrum Shifts and Herbicide Resistance in Glyphosate Tolerant Cropping Systems. Robert G. Wilson. (174)