Table Of Content

Author Index—Volume 50 January—December 2002 Abned, Malee ©. . Wn. oo esas 658 Entz, Toby McBratney, Alex B Al-Khatib, Kasim 581 Evans, Sean P. | RS Se Aliotta, Giovanni 138 Eyheravede, Juan Jo... one ee ee es McMaster, Gregory S Poss ab ws oe o's Se a 241 Fernandez, R. Thomas Mengistu, Lemma W. Amador-Ramirez, Mario D. ......... 370 Fogelfors, Hakan Mercer, Kristin L Ammon, Hans Ulrich 688 | Sr Mertens, Shana K. Anderson, James V. 227 Frantzen, Jos Messersmith, Calvin G. ............ Arnold, Roberto Benech 616 7 eeer e rr Meyer, Susan Askew, Shawn D. .. 91, 293, 326, 350, 357, Gallandt, Eric R. , 642 CM DUES oe oa 3s oN es ee ss Moerkerk, Michael Baerson, Scott R. ee SS ae reer “ENE: Molin, William T. Bailey, Karen | ee eer Morrison, lan N. Bailey, William A. Griffith, Stephen CD rrr ees Ball, Daniel A Green, J. D. Mueller-Warrant, George Becker, Roger Miiller-Scharer, Heinz ............. Bennett, Andrew C. Gruys, Kenneth J. Murata, Yoshihiro Bhowmik, Prasanta Gunsolus, Jeffrey er Biest, Nancy A. Hager, Aaron G. TEN NE DG sw as ccc asiawane e ee ee Re Hall, J. Christopher RO, INE B15, 8.6 :0.dae5 v0de.n5 ars Blackshaw, Robert E. 344, 494, Hartzler, Robert G "2 aera re ire Hartwig, Nathan L. Noma, Yataka Harvey, R. Gordon Norris, Robert F. Boland, Greg J. Hassan, Gill Norsworthy, Jason K. Bollero, German A. Heath, J. R. oe a aor Booth, Barbara D. Herms, Catherine P. Oliva, Anna Bostrém, Ullalena CN, A eo ioe eenes as Oliver, Lawrence R. Bradfond, Beet J... osc casnnes Hines, Thomas E. Olson, Brian L. S. Bradshaw, Harvey D., Jr. ........... Hirase, Kangetsu Oswald, Andreas Brandt, Randall N. ............... Hirata, Cecilia Mucha piven, Rese Oe Tok noc wcccnes Branham, Bruce E Hoffman, Melinda L. Parzoldt, William L. Briggs, Jeanne A. Horvath, David P. Plaisance, Kathryn L. Brown, Phe TA... ck 5 eevee PON IN 5. onc Sia a ed ada ate Pline, Wendy A Brown, Roderick W. Ide, Donald A Porterfield, Dunk Buhler, Douglas D Ikeda, Hiroaki Poston, Daniel H. Burks, T. E Inanaga, Shinobu aera rr Janzen, H. Henry Preston, Christopher Canner, Stephen R. Jensen, J. Hans SS 8 eeee ee Cardina, John Johnson, Bradley C. ee Ser ere ear Condoya, Masia'G... 5. ...26.00008: a re ee Chandler, Kevin Jordan, Nicholas R. Regnier, Emilie E. Chandramohan, S. Kawabata, Osamu Riley, Melissa B Chao, Wun S. Kenkel, N. C. Ramanio, Agnes MM... 03s cases Charudattan R. Kingery, William L. Rodriguez, Damian J. ............. Chem, Some te EE. wi si keen Knezevic, Stevan Z. Romeent, Joonme Gs, .. 2.02 s550500. Cheng, Chi-Lien Kohler, Eric A Rossi, Federico Krueger, Roger W. Saigusa, Masahiko Clay, Sharon A. Kumaratilake, Anuja R. ............ Sakurai, Naoto Clements, David R. Kusagaya, Yoshino Scharf, Peter C. CN, NIL, «ooo 5 oe ee oS we we Kyser, Guy B. Scheepens, P. C Cohn, Marc A. Lawlor, Frances M. ..........2200. Schnick, Parry J. Conley, Shamma Bo. oe esas ns Légére, Anne Schrader, Kevin K. oS. g | ar aaa Leifer, C. SST URES RRSE NR ie eN roe Crémieux, Lisele C. Lemerle, Deirdre Scott, George H. Dai, Qiujie Liebman, Matt Re, NE he vkSesc a n eee Daugovish, Oleg Lindquist, John L. ............ : "lp Nea eryyee ene e t are Dayan, Poanck Be on os i cec e ees Liu, Fuhan Semach, Gregory Derksen, D. A. Liu, Zhuojing Shafi, Bahman Deshpande, Satish Lorraine-Colwill, Debrah F. Shaw, David R. Dhima, Kico V. Luschei, Edward C. PE ENR So bios aab tbs e aa eae Dill, Gerald M. Lym, Rodney G. Shearer, S. A DiTomaso, Joseph M. ........----- Ma, Jianyi Shrestha, Anil Doohan, Douglas J. Mailer, Rodney Singh, Megh Doyle, Richard B. Manley, Brian S. gt eee ee rece e eo Duke, Stephen O. Mallory-Smith, Carol A. Sonoda, R. M Edmisten, Keith L. . . Martin, Alex R. Stanislaus, Marisha A. ............. Eleftherohorinos, Ilias G. ........... Maxwell, Bruce D. Seemann, SOME ES a x ois os te ees wee 0% Author Index °* Stevenson, FE. Craig Van Acker, Rene C. 54, 411, 595, 763 Stewart-Wade, Sally M. ............ Vari Weyenen, Lee RR, 2. ice ees Stoller, Edward W. Vasilakoglou, Ioannis B. Williams, Bill J. Stoltenberg, David E. Vettakkorumakankav, Nataraj N....... Wilson, Henry P. 2, 306, 485 Stougaard, Robert N. Viator, Ryan Wilson, Robert G. 370 Sugimoto, Yukihiro Waterers, DMA S. on ices 622 Wortmann, Charlies §. ......4..0555 530 Sulz, Michelle Wang, Shufeng Wright, Terry R. 700 Sunohara, Yukari Walenta, Darrin | Wyse, Donaid L. 397, 677 Walsh, Terry A. Wyse-Pester, Dawn Y. { Watanabe, Hajime Xu, Ligen Watson, P. R Thill, Donald C. Xue, Qingwu oo Le oe Thomas, Judith Wells, Randy Yasuda, Norifumi Thomas, A. G. Westra, Philip Yenish, Joseph P. Tran, Minhtien Whelan, Brett You, Jinsong Tranel, Patrick J. White, Anthony D. Young, Bryan G. Tsukagoshi, Satoru White, Susan Young, Frank I Tworkoski, Thomas Whitwell, Ted Young Rigen, Michacl A... 0...e es Wien, Hans C. Zhang, Wenming Unland, Jolene Baumgartner Wilcut, John W. ... 91, 293, 326, 350, 357, Zimdahl, Robert L. Upadhyaya, Mahesh K. 378, 438, 512, 642 Zweerde, W. V. D. 836 * Weed Science 50, November-December 2002 Subject Index—Volume 50 January—December 2002 absorption 293, 560, 576, 581 chisel plow ABUTH 42, 157, 364, 512, 802 barnyardgrass Chlorella pyrenoidosa Abutilon theophrasti . . 42, 157, 364, 512, 802 base temperature chlorimuron ACCase bentazon cinnamon Bidens pilosa Cinnamomum zeylanicum accession BIDPI 267, 397 acetohydroxyacid synthase 700 bioassay Cirsium arvense 267, 397 acetolacate synthase .... . 299, 306, 485, 700 biocontrol citrus orchard acetolactate synthase inhibitors . . 731 bioeconomic models Civic science Acetyl-CoA carboxylase 567 bioherbicide clethodim acetyl-coenzyme A 622 biological activity 138 clomazone achene production 350 biological control ... 79, 173, 397, 628, 787 clomazone dissipation . . . acifluorfen , 378, 607 biological control emulsion 204 adaptation 79, 677 biomass fraction 42 clopyralid adjusted gross returns 504 biotype cloransulam AEGCY 737 birdsfoot trefoil clove eS 5e e eee 737 black cottonwood 5 cohort Aegilops cylindrica»6.e e. e.e 461 black nightshade 530 color texture analysis .............. 802 agroecosystems 42 black swallowwort 179 common and chemical names 130 Agrostis stolonifera 576 blue-green algae 138 common bean §21 , 677 branching 42 common chickweed 576 Brassica kaber 634 common cocklebur 157 700 Brassica napus 587 common groundsel 787 , 662 Brassica rapa 79 common lambsquarters .. 54, 186, 370, 378, 485 bromacil 204 425, 448, 512, 628 700 bromoxynil 186, 196, 512 common ragweed ALS resistance 32, 731 re 241, 611 common sunflower alternating temperature 64 a ret 241, 611 common waterhemp alternative crops 587 bud dormancy 215 community trajectory 2 AMACH 306, 485, 512 sbeh ee ee eee 267 competition ... 34, 162, 326, 350, 357, 364, Amaranthus 54 butylate 112 485, 521, 587, 763 Amaranthus hybridus 306, » a2 eee reer rere Mt competitive hierarchy 466 Amaranthus retroflexus 370, , 448 canola 79, 344, 587 COMMPCTMIVENEN 2... cee eee 312, 530 Amaranthus rudis , 607 canonical correlation analysis 273 computer decision aids , 595 canonical correspondence analysis 273 computer program 157 canonical discriminant analysis 273 conservation tillage AMBEL , 642 canopy 370 container plants Ambrosia artemisiifolia , 642 canopy architecture 42 container plant production Ambrosia trifida 299 conventional tillage 299 capeweed 42, 54, 112, 340, 364, 392, ammonium nitrate 521 Capsella bursa-pastoris 448, 581, 662, 677, 688, 713, 757, annual bhucgrass ... 2... 0.225se s 576 capsule corn speedwell annual weeds carboxylase Coronilla varia anther catch crop correspondence analysis apple of Peru CASOB CME CRRINONEN so. Sisk twe ens 120 apthona catchweed bedstraw cotton . 293, 326, 350, 357, 386, 438, Apthona czwalinae 512, 642 Apthona nigriscutis cover crop , 704 aquaculture cover crop systems 794 arabidopsis CN 5 ay ia es a ecessny wincae loons 438 Arabidopsis thaliana ............ creeping bentgrass... 0. ees 576 Arachis hypogaea cell suspension cultures critical period , 773 Arctotheca calendula Cenchrus echinatus critical time of weed removal 773 Argentine canola Cenchrus longispinus critical weed-free period 773 Ascochyta caulina CENSO crop competitiveness .........-+.+-. 466 assembly theory Centaurea solstitialis crop height 326, 350, 357 atrazine cereal crops crop injury 386 auxenic herbicides ................- 713 cereal-forage rotation crop management 473 AVEFA .. 120, 267, 312, 321, 567, 587, 616 CGA 362622 ............... 293, 642 crop planting pattern 748 Avena fatua 120, 267, 312, 321, 567, 54, 186, 370, 378, 425, 448, crop residue 521 587,616 512, 628 crop rotation , 112 Avena sativa 448, 677 chemical control 787 crop row weed control 162 Avena sterilis chemicals from nature 138 crop yield , 504 AVEST Chenopodium album 54, 186, 370, 378, 425, crop yield loss , 763 bacterial population 448, 512, 628 crop-weed competition 466, 473, 530 banded herbicide chickweed crop-weed interactions ...........-. 773 Subject Index * 837 cropped field Galinsoga parviflora cropping systems Elytrigia repens Galium aparine GUENOENROE 5 waeneek ee we 306, 700 emergence Galium spurium crowfootgrass emergence rate crownvetch emergence time gametogenesis cyanazine entireleaf morningglory cyclic irrigation enzyme inhibition gene flow Cynanchum ee 215, 227, 267, generally regarded as safe Cynachum rossicum EPHHE genetically engineered Cyperus esculentus EPHMA genetic distance | ee epidemics genetic diversity EPSPS genetic recombination CYPRO genetic variability... 5. ese ee 299, 700 See Sarr ear are r 700 Dactyloctenium aegyptium Eragrostis cilianensis RMNNERE 5.« 05:3 ace: Biss iin. ein is lk alle 215 DAHPS geostatistics 54, 542, 595 dandelion erosion control germination 241, 261, 386, 494, 658 data analysis ] Ersimum cheiranthoides giant foxtail 622, 757, 802 iaap te Kk ene erucic acid giant ragweed Datura stramonium ............ 293, 512 ERYCH gibberellin decision models 411 essential oils Once, SOE CET decision-support systems ethalfluralin glufosinate demographic FE eae Pee Sa Ae 616 ethephon glufosinate metabolism eee nearer ieee ethofumesate glutamine synthetase density ethylene production Glycine max .... . 26, 34, 72, 112, 162, 340, desorption ethylene releaser 397, 448, 504, 607, 677, 773 development Euphorbia esula ....... 215, 227, 267, glyphosate .. . .. 26, 34, 179, 204, 438, 504, developmental arrest Euphorbia helioscopia $12, 757, 773 dicamba Euphorbia maculata glyphosate resistant 26, 34, 438, 721 dichlorprop-P exogenous nitrogen goosegrass Lt. Si2 differential sensitivity experimental design Gossypium hirsutum .... 293, 326, 350, 357, Digitaria ischaemum Exserohilum longirostratum 386, 438, Digitaria sanguinalis Exserohilum rostratum extent DIGSA ... 91, 112, 157, fall panicum $g rain protein dimethenamid false cleavers granular herbicide disloculam farming system diversification dissipation fecundity grass diuron fenoxaprop grass interference diversity ferrosol grass weeds DNA fingerprinting fertilization grassland community dog-strangling vine fertilizer green algae Co i 215, 232, 2 fertilizer application green foxtail dormancy-breaking chemicals field pennycress green manure dormancy-related traits field sandbur srowing degree days dose response field violet rowth dose-decision-support guidelines filter strip PONTE WIENS S55 ocak aow a Some wala downy brome finding affinity . . . rowth reduction Drechslera gigantea srowth response drill-seeded first order equation guerrilla drill-seeded soybean fitness guineagrass dry bean flat pea HADSSs!™ dry weight flax hairy beggarticks DTTAE flea beetles hairy mipmwhnade .. ke 6 37 duration of interference hairy vetch a ries flowering halosulfuron Eastern black nightshade fluazifop-P ... . heat shock Eastern cottonwood flumiclorac height Eastern gamagrass flumioxazin HELAN fluometuron Helianthus annuus ......0.0..0.000055 fluroxypyr Helianthus tuberosus foliage area density HELTU eclipta foliar activity hemp sesbania Eclipta prostrata foliar applied hempnettle Gcmeeicel eenectics . ee fomesafen henbit ecology formulation HERB economic foxtail millet herbicidal efacacy .......-.5+0. 386, 536 economic assessment functional growth analysis herbicide activity economic evaluation functional model herbicide application economic fungal pathogen herbicide effects economic fungi herbicide metabolism economic 411 Fusarium solani herbicide penetration 504 GAETE herbicide resistance .... 299, 306, 321, 485, 662 GALAP 512 Galeopsis tetrahit herbicide rotations 512 galinsoga herbicide selection 838 °¢ Weed Science 50, November—December 2002 herbicide translocation CMT ECR TR Oe 326, 748 nitrogen . , 634 herbicide-resistant nitrogen accumulation 757 herbicide-resistant crops Lamium amplexicaule nitrogen availability 628 herbicide-resistant wheat Lathyrus sylvestris nitrogen fertilization 167 herbicide-susceptible large crabgrass .... 91, 112, 157, 204, 512, nitrogen uptake 634 fe shins btors. ha eos atk Sa ae 370, 794 757, 802 non-linear regression 773 heritability leaf area duration no-till 757 high-throughput screening leaf area index no-tillage , 448 Hoerl equation leaf disc assay 299 no-tillage corn 504 Hordeum distichon leafy spurge 215, 227, 267, 812 no-tillage soybean 504 Hordeum vulgare light interception 26, 34 no-tillage wheat 504 horsenettle light scattering spectroscopy non-tilled systems 512 Linum usitatissimum non-transgenic cotton 512 linuron nonlinear regression 370 living mulch nonmetric multidimensional scaling .... 273 hybrid populations log-logistic dose response norflurazon 204 hydrethermal time Lolium muttiflorum nutrient availability 530 hyperbolic models Lolium perenne nutrient management 688 Hypochoeris radicata Lolium rigidum nutrients 530 Iso 677 identity preserved 672 image processing LOLRI oil content 344 imazaquin 112, 306 long-term crop rotations organic farming imazethapyr .. 112, 299, 306, 432, 504, 731 long-term effects organic matter content imidazolinone 485, 700, 731 Lotus corniculatus organic weed control imidazolinone herbicides 112 Lycopersicon esculentum organosilicone imidazolinone resistance 485 machine vision CIE alas bi CAA eR imidazolinone resistant ......... 306, 485 ORYSA imidazolinone susceptible ........ 306, 485 male reproductive tissue Oryza rufipogon immigration male-sterile Oryza sativa in-furrow management oryzalin in-row cultivation management decision models out-crossing inheritance MANOVA Oxalis stricta inheritance of resistance map spatial distribution OXAST inhibition mapping oxyfluorfen inhibitors mature weeds pale smartweed integrated pest management MCPA integrated weed management .... 196, 273, mechanical hoe Panicum dichotomiflorum 285, 473, 466, 504, 547, 616 mechanical weed control Panicum maximum integration Mediterranean-type Panicum miliaceum ............ 340, inter-simple sequence repeat (ISSR markers) . . en. . Panicum texanum 498 metolachlor interference ... . 26, 34, 167, 326, 350, 357, metoxuron 607, 757, 763 metribuzin PANTE interference removal timing microarray paraquat interspecific hybridization microsatellite markers PING WEE ink ie tevin 392, invasive plant mineralization peanut invasive weed mode of action mortality peanut yield ioxynil SOUNEUOE 5 5 15101653 4 14'6 wes eye 2 2 pendimethalin modeling dormancy Pennsylvania smartweed ......... - modeling seed germination perennial IPOHG models perennial ryegrass | ESEa e eee 26, 512, 642 moldboard plow phalanx Ipomoea hederacea .. . 91, 157, 512, 642, 802 molecular approach Phaseolus vulgaris Ipomoea lacunosa........... 26, 512, 642 molecular biology PHBPU Ipomoea purpurea 512, 642 molecular genetic analysis phosphinothricin irrigated molecular modeling photoperiod irrigation incorporation monolinuron phytotoxicity isoxaben morningglory competition picloram a arr aa re morphological change pigweed ivyleaf morningglory 91, 157, 512 morphology pitted morningglory ........ 26, IWM 186, 196 movement plant competition Jerusalem artichoke 267 MSMA plant development jimsonweed multiple-pathogen strategy plant height johnsongrass 26, 204, 425, 466 multivariate analysis Plantago asiatica jointed goatgrass .......... 267, 461, 737 My View planting depth Ky values mycoherbicide planting pattern KCHSC naproanilide Poa annua kidney bean natural products POANN . KNO, nature Polish canola 79 kochia negative cross-resistance pollen 622 Kochia scoparia net return pollen flow 321 kriging Nicandra physalodes POLCO 748 kurosol nicosulfuron DNS bAianeoc od 326, 357, 748 Nicotiana tabacum ee eer nS 350, 448 Lactuca serriola nightshade Polygonum convolvulus 748 Subject Index 839 Polygonum lapathifolium DN ID os Cw ey a 425 ot a re 204, 267, 425, 466 Polygonum pensylvanicum ........ 350, Sclerotinia minor sorption 662, 820 Polygonum persicaria ...........% 326, SORVU 466 polymorphism Secale cereale southern sandbur 204 poplars seed sowing density 748 population dynamics .. . . 340, 432, 616, 7 BOS eeeee a ree soybean... . , 72, 112, 162, 340, 397, population genetics seed biomass 448, 607, 677, 773 population structure seed death spacing 542 population-based model seed disposal spatial correlation 595 populations seed dormancy .... spatial correlogram 54 Populus deltoides seed germination spatial dependence » 395 Populus trichocarpa seed longevity spatial distribution 542 postemergence seed production spatial structure 54 postemergence herbicides WOMIEMIND 6 coke us kw ceed 326, 340, : spatial variability 662 potato seed size species classification 802 pre-plant incorporated herbicides seed survival species richness 648 precision agriculture seedbank spikelets 468 precision application seeding rate spore inocula 628 precision farming seedling emergence spotted spurge 448 prediction SOMA GOOWER 5 io seisse s e ; sprayable herbicide formulation 536 preemergent herbicide seeds spring barley , 196 prescribed burning selectable marker spring wheat . . 321 presidents selection spring-sown cereals 196 prickly lettuce selectivity spring-tine harrow 748 prickly sida self-destruction SSR 333 principal component analysis self-destruction cassette stability 648 prometryn OP MMNIE 5 i6e5d si5e a aS statistical methods 273 Pseudomonas syringae pv. tagetis Senna obtusifolia Stellaria media 748 public science SENVU STEME public scholarship Sesbania exaltata sterile oat public work Setaria faberi stinkgrass Puccinia lagenophorae Setaria italica Strategies Setaria pumila stratification purple nutsedge Setaria viridis ......... 267, STRHE pyrimidinylthiobenzoate Striga pyrithiobac sethoxydim Striga hermonthica .........044. 392, QTL 3). SS ear 267, 5 strip tillage quackgrass shattercane sublethal dose quantitative trait loci shattering sulfonylurea R/S ratio shepherd’s-purse sulfonylurea herbicides radiation shoot nitrogen content summer savory range sicklepod sun spurge rangeland Sida spinosa surface applied Raphanus raphanistrum SIDSP surfactant RAPRA simazine survey RDA simple sequence repeat sustainability science red clover simulated seed rain swallowwort red rice simulation system management approach red thyme Sinapis alba Syzgium aromaticum redroot pigweed tagetitoxin redstem filaree site of uptake tall morningglory reduced rates site-specific management Taraxacum officinale redundancy analysis 273 site-specific weed management TAROF regression 64 smooth crabgrass Tasmania relative humidity 157 smooth pigweed temperature replacement design experiment 466 social learning temperature threshold reproduction 227 society Texas panicum reproductive abnormalities 438 sodosol thermal time units reproductive tiller index 461 soil thiazopyr I og swinaea sa 299, 432, , 700 soil seed bank thifensulfuron resistance evolution 321 soil temperature THLAR response surface 64 soil water Thlaspi arvense rice , 386 Solanum Thymus vulgaris Richards function 2, 64 Solanum carolinense tillage rigid ryegrass ae Solanum nigrum tillage systems rimsulfuron 112 Solanum ptycanthum tilled systems root bud dormancy eas Solanum sarrachoides time of emergence root exudation Solanum tuberosum tobacco rotary hoeing solar tracking tomato rotation trait-based approach row spacing trampling runoff trampling runoff losses SOLSA transgenic runoft water IIE SF 25 a cacese a9 ee 267, transgenic crops sampling Sorghum bicolor ....... 267, 4 translocation sampling strategy Sorghum halepense...... 204, 2 transplanting 840 Weed Science 50, November—December 2002 treading virus induced gene silencing weed shifts volatility weed volume triazolopyrimidine wallflower mustard weed-crop competition tribenuron-methyl water potential weed-crop interference 587 trichohecene weed biology weed population management triclopyr weed biomass eS Ee RLY 8,A t Ra One 392, 677 trifluralin 3 weed communities wheat ... 101, 186, 196, 267, 521, 634, 748 Trifolium pratense weed competition wheat yield Trifolium repens weed competition in furrow whites climes Tripisacum dactyloides weed control whole plant ALS enzyme assay Triticum aestivum .. 101, 186, 196, 267, 312, weed densities 504 wid ennmead ’ . 267 521. 634 321, 461, 504, 521, 616, 634, 748 weed density 3? = sth on 120, 267, 312. 321. 567 ¢ weed density build-up 504 ; oe 587 616 tTurfRgra ss wnneneidt eidaiisitar ibution 28554 wilidl d proso mililleet ............. 3440 , ” 37a9,0 ine ser BY : Id radish ultraviolet weed emergence , 494 ee “a ultraviolet-B radiation weed height 357 waa — undisturbed soil weed interference 162, 344, 634, 757 SSA ale : UV-B weed management 285, 378, 642 WSSA Presidential Address vegetation management weed management systems 504 XA NST ; vegetation propagules weed-mapping 120 Xanthium ct tacts ited weed maps 542 yellow foxtail VERAR weed maturity 802 yellow mustard vernalization weed maturity levels 802 yellow nutsedge - +++ 91, 112, 267, 378, 642 Veronica arvensis weed reproduction 763 yellow starthistle vertisol weed reproduction model 763 yellow woodsorrel Vicia villosa weed seed 152 yield loss vigor ; weed seed production 344, 521, 748 Vincetoxicum rossicum weed seedbanks 448, 595 Zea mays .. 42, 54, 112, 364, 340, 392, 448, weed seedling emergence 37 504, 581, 662, 677, 688, 713, 757, 773 Viola arvensis weed seedlings zero tillage Ea UNITED STATES Statement of Ownership, Management, and Circulation POSTAL SERVIKE ~ (Required by 39 USC 3685) 14 issue Date for Crculaton Data Below Weed Scence July August 2002 Weed Science Extent and Nature of Circulation 0 sanpesunannee | tAecstuuea l No Copies of Single 4 Issue Frequency pict oasis Published Nearest to Filing Date Bi-Monthiy a Total Number of Copies (Net press run 2500 City, county, state, and Parc Requested Outside. 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PS Form 3526. September 1998 (See ineiruchons onR everse) PS Form 3526 September 1998: Reverse) ~~T omputerzed F—ace r Subject Index 841