Proceedings of the Sixty-fourth Annual Meeting of the Northeastern Weed Science Society Gregory R. Armel, Editor University of Tennessee Knoxville NORTHEASTERN WEED SCIENCE SOCIETY 2010 Sustaining Members Platinum Gold Silver Bronze ACDS Gylling Data Management BAAR Scientific, LLC LABServices Crop Management Strategies WEEDS, Inc. ii NORTHEASTERN WEED SCIENCE SOCIETY The Boston Cambridge Marriott Cambridge, Massachusetts EXECUTIVE COMMITTEE OFFICERS President D.E. Yarborough The University of Maine 5722 Deering Hall Orono, ME 04469 [email protected] President-Elect H.A. Sandler UMass Cranberry Station P.O. Box 569 East Wareham, MA 02538 [email protected] Vice President Mark VanGessel University of Delaware, REC 16483 County Seat Hwy Georgetown, DE 19947 [email protected] Secretary/Treasurer M.A. Bravo PA Department of Agriculture 2301 North Cameron Street Harrisburg, PA 17110 [email protected] or [email protected] Past President J.J. Baron IR-4 Project Headquarters 500 College Rd. East, 201W Princeton, NJ 08540 [email protected] iii COMMITTEES Editor G.R. Armel University of Tennessee 363 Ellington Plant Sci. Bldg. Knoxville, TN 37996 Legislative D.L. Kunkel IR-4 Project Headquarters 500 College Rd East, 201W Princeton, NJ 08540 Public Relations B.A. Scott University of Delaware, REC 16483 County Seat Hwy Georgetown, DE 19947 Research & R.S. Chandran Education West Virginia University Coordinator P.O. Box 6108 Morgantown, WV 26506 Sustaining C.A. Judge Membership BASF Corporation 26 Davis Drive Research Triangle Park, NC 27709 CAST Representative R.G. Prostak University of Massachusetts Bowditch Hall University of Massachusetts Amherst, MA 01003 Graduate Student A.R. Post Representative Virginia Tech 435 Old Glade Road Blacksburg, VA 24061 WSSA Representative S.D. Askew Virginia Tech 203 PMB Glade Rd. Res. Ctr. Blacksburg, VA 24061 iv SECTION CHAIRS Agronomy Chair: G. Jordan Chair-elect: B. Dillehay Graduate Student Paper Contest Chair: Renee Keese Member: J. Baron Member: W. Curran Member: T. Dutt Member: R. Bellinder Ornamentals Chair: T. Mervosh Chair-elect: G. Armel Research Posters Chair: C. Palmer Chair-elect: K. Burnell Turfgrass and Plant Chair: D. Lycan Growth Regulators Chair-elect: J. Borger Vegetables and Fruit Chair: R. Belinder Chair-elect: E. Lurvey Vegetation Management and Chair: R. Prostak Restoration Chair-elect: K. Lloyd Weed Biology and Ecology Chair: J. D'Appollonio Chair-elect: R. Smith v Below: Award winning photos and photographers from the 2009 NEWSS photo contest. (From left to right) 1st place and the cover photo for the 2010 proceedings—Spotted knapweed by Randy Prostak, University of Massachusetts; 2nd place—White clover by Dustin Lewis, University of Tennessee; 3rd place—Musk Thistle by Javier Vargas, University of Tennessee. Northeastern Weed Science Society Awards Banquet Winners Below: David Mayonado Below: Andrew Senesac Below: Scott Glenn received the Distinguished received the Distinguished received the Outstanding Member Award Member Award Educator Award Below: Joseph Neal Below: Thomas Hines Below: John Willis received received the Outstanding received the Service the Robert D. Sweet Researcher Award Recognition Award Outstanding Graduate Student Award vi vi A B C D E F G H GRADUATE DIVISION: 1st place team: Penn State (Franklin Egan, Benjamin Crocket, Ryan Bates, Nelson Debarros) (A); 2nd place team: Guelph (Scott Cressman, Chase Phillips, Joel Hemingway, Ben Rosser) (B); 3rd place team: Guelph (Meghan Moran, Melody DeJony, Marijke VanAndel) (C); 1st place individual: Angela Post—Cornell (D); 2nd place individual: Nelson Debarros—Penn State (D); 3rd place individual: Ryan Bates—Penn State (D) UNDERGRADUATE DIVISION: 1st place team: Guelph #1 (Andrew Reid, Blair Freeman, Scott Timmings) (E); 2nd place team: Guelph #2 (Ryan Stafford, Craig Arnett, Amanda Green) (F); 3rd place team: Guelph #3 (Wesley Emmott, Thomas Judd, Ryan st nd Benjamens, Eric Schroeders) (G); 1 place individual: Andrew Reid—Guelph (H); 2 place individual: Blair Freeman—Guelph (H); 3rd place individual: Amanda Green—Guelph (H) vii TABLE OF CONTENTS EXECUTIVE COMMITTEE ............................................................................................ III COMMITTEES ............................................................................................................... IV SECTION CHAIRS .......................................................................................................... V NEWSS POSTERS ......................................................................................................... 1 2009 COLLEGIATE WEED COMPETITION. B. SCOTT AND M. VANGESSEL .................. 1 ASSESSMENT OF CHLOROPHYLL FLUORESCENCE INDUCTION IN BLACK NIGHTSHADE TREATED WITH AMINOCYCLOPYRACHLOR AND DIFLUFENZOPYR ALONE AND IN MIXTURES. J. VARGAS, G. ARMEL, AND J. BROSNAN ..................................................................................................................................... 2 WEED SPECIES COMMON IN ORGANIC AND CONVENTIONAL CORN FIELDS IN YATES COUNTY, NY. S. WHITEHOUSE, A. DITOMMASO, AND L. DRINKWATER ................ 3 A FRESH LOOK AT HERBICIDE BANDING IN CORN. R. CHANDRAN AND S. HAGOOD . 4 DIMETHENAMID-P: LIQUID AND GRANULAR FORMULATIONS FOR TURFGRASS WEED CONTROL. K. KALMOWITZ, J. ZAWIERUCHA, AND K. MILLER ................................ 5 ADVANCEMENTS IN QUINCLORAC FORMULATION PERFORMANCE FOR TURFGRASS WEED CONTROL. J. ZAWIERUCHA, G. OLIVER, T. CANNAN, AND K. KALMOWITZ ................................................................................................................... 6 MESOTRIONE FOR MANAGING WEEDS DURING THE ESTABLISHMENT OF KENTUCKY BLUEGRASS AND TALL FESCUE TURF IN THE TRANSITION ZONE. A. REIS, J. BROSNAN, G. BREEDEN, AND M. ELMORE ....................................................... 7 INTERACTION OF PLANT GROWTH REGULATORS AND CUMYLURON ON GOLF PUTTING GREENS. B. MCNULTY, J. JESTER, S. ASKEW, AND B. MACK .......................... 9 THE PERENNIAL CHALLENGE OF MANAGING PERENNIAL WEEDS IN CERTIFIED ORGANIC FEED AND FORAGE PRODUCTION SYSTEMS. R. SMITH, D. MORTENSEN, D. SANDY, AND M. BARBERCHECK ................................................................................. 10 COMMON RAGWEED COMPETITION IN LIMA BEAN. B. SCOTT, M. VANGESSEL, AND Q. JOHNSON ................................................................................................................ 11 THE EFFECTS OF HERBICIDE MIXTURES WITH BRASSICA MEAL ON WEED CONTROL AND YIELD OF STRAWBERRY. J. CUMMINS, G. ARMEL, C. SAMS, D. DEYTON, AND J. VARGAS .............................................................................................. 12 viii SPOT TREATMENTS OF BROADLEAF WEEDS AND GRASSES IN WILD BLUEBERRY FIELDS USING A MESOTRIONE/CLETHODIM TANK MIX. D. YARBOROUGH AND J. D'APPOLLONIO ............................................................................ 13 SHORT-TERM FLOODS AND CHEMICAL CONTROLS: DEVELOPING AN INTEGRATED PROGRAM FOR DODDER CONTROL IN CRANBERRY. J. O'CONNELL, H. SANDLER, L. ADLER, AND F. CARUSO ..................................................... 14 2009 NORTHEASTERN WEED SCIENCE SOCIETY NOXIOUS AND INVASIVE VEGETATION SHORT COURSE. M. BRAVO ............................................................. 15 USE OF MESOTRIONE FOR ANNUAL BLUEGRASS CONTROL AT KENTUCKY BLUEGRASS ESTABLISHMENT. K. VENNER, S. HART, AND C. MANSUE .................... 16 COMPARISON OF GENETIC DIVERSITY OF WEEDY AND DOMESTICATED POPULATIONS IN GENUS CICHORIUM (ASTERACEAE). T. ZAVADA ..................... 17 GRADUATE PRESENTATIONS - I .............................................................................. 18 CONTROL OF GROUND IVY WITH APPLICATIONS OF QUINCLORAC AND SULFENTRAZONE. M. ELMORE, R. KOEPKE, J. BROSNAN, G. BREEDEN, G. ARMEL, AND B. WALLS .................................................................................................................... 18 RESPONSE OF SAWBRIER, DEWBERRY, AND CRANBERRY VINES TO INFRARED AND OPEN-FLAME WEED CONTROL. K. GHANTOUS, H. SANDLER, W. AUTIO, AND P. JERANYAMA ........................................................................................... 19 RETHINKING INVASIVE PLANT MANAGEMENT RESEARCH APPROACHES. K. AVERILL, D. MORTENSEN, AND A. GOVER ...................................................................... 21 EVALUATION OF REDUCED RATE HERBICIDE APPLICATIONS FOR CHEMICAL MOWING OF GRASSES AND BROADLEAF WEED CONTROL IN GRAPE ROW MIDDLES. J. VARGAS, D. LOCKWOOD, G. SHEPPARD, AND G. ARMEL ............................ 22 GRADUATE PRESENTATIONS - II ............................................................................. 23 APPLICATION PLACEMENT AND HUMIDITY EFFECTS ON MESOTRIONE BIOEFFICACY. A. POST, M. GODDARD, AND S. ASKEW ................................................ 23 DYNAMICS OF WEED AND DISEASE ENCROACHMENT IN TALL FESCUE AS IMPACTED BY MOWING HEIGHT AND FERTILITY PRACTICES. M. CUTULLE AND J. DERR .......................................................................................................................... 24 INTERACTION OF FENOXAPROP AND HALOSULFURON ON HERBICIDE EFFECTIVENESS. A. RANA AND J. DERR ................................................................... 25 EVALUATION OF MECHANICAL WEED CONTROL TOOLS IN HIGH RESIDUE CORN AND SOYBEAN. R. BATES, R. GALLAGHER, AND W. CURRAN ........................... 26 ix SPECIAL WORKSHOP I: WEED SEED-BANKS: DYNAMICS AND IMPLICATIONS FOR MANAGEMENT ...................................................................................................