C05 Turfgrass Science Session: Environment, Thatch, Soil, Water and Pest Management Graduate Student Competition (ASA, CSSA and SSSA Annual Meetings (Cincinnati, OH- Oct. 21

617

Using Concept Maps to Measure the Effects of Work Experience and Classroom Performance On Student Comprehension in a Senior Capstone Turfgrass Management Course.
Jon M. Trappe, Purdue University; Lori J. Snyder, Agronomy; Aaron J. Patton, Purdue University

105-2

618

Summer Amicarbazone Applications Control Tall Fescue In Bermudagrass.
Jialin Yu, University of Georgia; Patrick McCullough, University of Georgia - Griffin

105-3

619

Phosphorus Reduction In Runoff Using a Steel Slag Trench Filter System.
Zan Wang, oklahoma state university; Greg Bell, Oklahoma State University; Chad J. Penn, Oklahoma State University

105-4

620

Perennial Ryegrass Overseeding Tolerance to Residual SP25052 Activity.
Jared A. Hoyle, University of Georgia; Chase Straw, University of Georgia; Gerald Henry, University of Georgia; Tyler Cooper, Texas Tech University; Leslie Beck, Texas Tech University

105-5

621

Bermudagrass Control with Sequential Applications of Metamifop.
Chase Straw, University of Georgia; Gerald Henry, University of Georgia; Tyler Cooper, Texas Tech University; Leslie Beck, Texas Tech University

105-6

622

Leaching Potential of Msma In Bermudagrass Turf.
Gerald Henry, University of Georgia; Chase Straw, University of Georgia; Jennifer Moore-Kucera, Texas Tech University; Andrew Jackson, Texas Tech University

105-7

623

Postemergence Control of Lesser Swinecress In Creeping Bentgrass Putting Greens.
Chase Straw, University of Georgia; Gerald Henry, University of Georgia; Travis Williams, Texas Tech University; Tyler Cooper, Texas Tech University; Leslie Beck, Texas Tech University

105-8

624

Efficacy of Metamifop for the Control of Large Crabgrass At Various Growth Stages.
Jared A. Hoyle, University of Georgia; Chase Straw, University of Georgia; Gerald Henry, University of Georgia; James Brosnan, University of Tennessee; Gregory Breeden, The University of Tennessee

105-9

625

Common Lespedeza (Kummerowia striata) Control within Maintained Centipedegrass (Eremochloa ophiuroides) Turf.
James D. McCurdy, Auburn University; Michael L. Flessner, Auburn University; J. Scott McElroy, Auburn University

105-10

626

Salt Tolerance Screening of 74 Cool-Season Turfgrass Cultivars in Solution Culture.
Joshua C. Friell, University of Minnesota; Eric Watkins, University of Minnesota; Brian Horgan, University of Minnesota

105-11

627

Superoxide Dismutase Activity In Leaves and Stolons of Two Warm-Season Turfgrass Species In An Arid Environment.
Marco Schiavon, New Mexico State University; Bernd Leinauer, New Mexico State University; Matteo Serena, New Mexico State University

105-12

628

Comparison of Three Irrigation Regimes and Their Effect On Dollar Spot Disease of Creeping Bentgrass.
Nancy Dykema, Michigan State University; Joseph Vargas, Michigan State University; William Kirk, Michigan State University; Kevin Frank, Michigan State University

105-13

629

Efficacy of Current Organic Postemergent Weed Control Options in Lawns.
Quincy Law, Purdue University; Aaron J. Patton, Purdue University; Daniel Weisenberger, Purdue University

105-14

630

Low-Input, Alternative Turfgrass Species As a Pest Management Strategy.
Kari Hugie, University of Minnesota; Eric Watkins, University of Minnesota

105-15

631

Response of Suspected Glyphosate-Tolerant Perennial Ryegrass Cultivars to Glyphosate.
Michael L. Flessner, Auburn University; J. Scott McElroy, Auburn University; Glenn R. Wehtje, Auburn University

105-16

632

Photocatalytic Titanium Dioxide and Ultraviolet Radiation Effects On Sclerotinia Homoeocarpa Growth and Dollar Spot Disease Development.
Chun Hu, Turfgrass science and management; Brandon Horvath, Turfgrass science and management

105-17

633

Daily Light Integral Requirements for Twelve Warm-Season Turfgrasses.
Brian Glenn, University of Florida; Jason Kruse, University of Florida; J. Bryan Unruh, University of Florida

105-18

634

Evaluation of Irrigation Strategies for Establishment of Warm-Season Turfgrass Lawns.
Natasha Restuccia, University of Florida; Jason Kruse, University of Florida; Michael Dukes, University of Florida; Amy Shober, University of Florida - Agricultural Research Center; J. Bryan Unruh, Univ. of Florida

105-19

635

Common Purslane Control in Turfgrass Using Preemergence and Postemergence Herbicides.
Christopher A. Proctor, University of Nebraska Lincoln; Roch Gaussoin, University of Nebraska Lincoln; Zachary J. Reicher, University of Nebraska Lincoln

105-20

636

Optimizing Unfertilized Buffer Strip Distances to Reduce Nitrogen Transport.
Ryan Adams, University of Florida West Florida Research & Education Center; J. Bryan Unruh, Univ. of Florida; Jason Kruse, University of Florida

105-21

637

Anthropogenic Placic Horizon Formation in Two-Tiered Golf Course Putting Greens.
Glen Obear, University of Wisconsin-Madison; Douglas Soldat, University of Wisconsin-Madison; Phillip Barak, University of Wisconsin-Madison

105-22

638

Nitrous Oxide Emissions and Nitrate Leaching From Synthetic and Alternative Turfgrass Management Programs.
Mark Garrison, University of Wisconsin-Madison; John C. Stier, University of Tennessee; Douglas Soldat, University of Wisconsin-Madison; James Kerns, University of Wisconsin-Madison; Chris Williamson, University of Wisconsin-Madison

105-23

639

The Residual Effect of Mustard (Brassica juncea L. Czern.) Seed Meal for Suppression of Sclerotinia Homoeocarpa.
Xiaowei Pan, University of Missouri- Columbia; James English, University of Missouri; Carl Sams, University of Tennessee - Knoxville; Xi Xiong, University of Missouri, Columbia

105-24

700

Evaluation of the Differential Responses of Common Bermudagrass (Cynodon dactylon) Varieties to Aryloxyphenoxypropionate Herbicide Fenoxaprop-p-Ethyl.
Enzhan Song, University of Missouri; Xi Xiong, University of Missouri

105-25

701

Sand Topdressing Programming Effects On Anthracnose Disease of Annual Bluegrass Putting Green Turf.
Ruying Wang, Rutgers University; James W. Hempfling, Rutgers University; Bruce B. Clarke, Rutgers University; James Murphy, Rutgers University

105-26

702

Effect of Lawn Microclimates On Estimates of Evapotranspiration From Atmometers.
Kenton W. Peterson, Kansas State University; Dale Bremer, Kansas State University; Jack Fry, Kansas State University

105-27

703

Efficacy and Safety of Methiozolin for Pre-Emergence Control of Annual Bluegrass (Poa annua L.) On Creeping Bentgrass (Agrostis stolonifera L.) Putting Greens.
John B. Haguewood, University of Missouri, Columbia; Justin Moss, Oklahoma State University; Xi Xiong, University of Missouri, Columbia

105-28

704

Annual Bluegrass (Poa annua L.) Seed Production and Viability Influenced by Plant Growth Stages and Various Chemical Treatments.
John B. Haguewood, University of Missouri, Columbia; Xi Xiong, University of Missouri, Columbia

105-29

705

An Investigation Into Cultural Approaches for Weed Control in Pesticide-Free Home Lawns.
Kathleen L. Dodson, University of Guelph; Eric M. Lyons, University of Guelph; Francois Tardif, University of Guelph; Katerina S. Jordan, University of Guelph

105-30

706

Mitigation of Summer Stress of Roughstalk Bluegrass with Strobilurin Fungicides.
Cole Thompson, Kansas State University; Jack Fry, Kansas State University; Megan Kennelly, Kansas State University; Zachary J. Reicher, University of Nebraska Lincoln

105-31

707

Bermudagrass Response to Deficit Irrigation and Traffic Stress.
Reagan Hejl, Texas A&M University; Benjamin Wherley, Texas A&M University; Richard White, Texas A&M University; David Chalmers, Texas A&M University - Soil & Crop Sciences

105-32

708

Evaluation of Nitrogen Source and pH On the Mycelial Growth of the Spring Dead Spot Pathogens Ophiosphaerella Herpotricha and O. Korrae in Culture.
Derek Cottrill, University of Missouri; Gerald Miller, University of Missouri

105-33

709

Aminocyclopyrachlor Efficacy for Smooth Crabgrass Control in Tall Fescue.
Thomas Reed, University of Georgia - Griffin; Patrick McCullough, University of Georgia - Griffin

105-34

710

Overwintering of the Dollar Spot Pathogen Occurs in Shoots and May Be Influenced by Temperature.
Renee Rioux, University of Wisconsin-Madison; James Kerns, University of Wisconsin-Madison

105-35

711

Weed Efficacy in Warm-Season Turfgrass Using Canadian Bioherbicide Phoma Macrostoma.
Jonathon Smith, Texas A&M University; Benjamin Wherley, Texas A&M University; Paul Baumann, Texas A&M University; Stuart Falk, The Scotts Company

105-36

712

Development of a PCR-Based Assay for the Detection of Sclerotinia Homoeocarpa From Creeping Bentgrass (Agrostis stolonifera) Seed.
Justin L. Lyles, Oklahoma State University; Ahmed Abd-Elmagid, Oklahoma State University; Carla Garzon, Oklahoma State University; Damon Smith, Oklahoma State University

105-37

713

Further Identification of Pythium Species Causing Damage On Golf Course Greens in the Pacific Northwest.
Nathan Stacey, Washington State University; Gwen K. Stahnke, Washington State University-Puyallup; Marianne Elliott, Washington State University; Gary Chastagner, Washington State University; Kathryn Coats, Washington State University

105-38

714

Influence of Nitrogen Source and Timing On Nitrate-N Leaching When Applied to Centipedegrass and St. Augustinegrass.
J. Bryan Unruh, Univ. of Florida; Laurie Trenholm, University of Florida; Phil Moon, University of Florida - West Florida Research and Education Center; Jerry Sartain, University of Florida

105-39

715

Cultivation and Manganese Fertility Effects On Summer Patch Severity in Compacted and Non-Compacted Turfgrass.
John C. Inguagiato, University of Connecticut; Jason J. Henderson, University of Connecticut

105Environment, Thatch, Soil, Water and Pest Management Graduate Student Competition