Author Index—Volume 46 January—December 1998 Abad, Paloma Ellis, Brian E. .... = cats 344 Lindwall, C. Wayne Abayo, Gordon O. ............... WOME ht ia ble4w 2 s ee 59 Liu, Chien-An Adkins, Stephen W. English, Terry 459 Liu, Jianbo Agiiero, Renan Eplee, Robert E 459 Liu, Lixin Aiken, William Faiceo, Ciiristan L. M. ............ 258 Locascio, Salvadore J. Al-Khatib, Kassim a 358 Locke, Martin A. Alagarda, José Foes, Matthew J. 514 Loépez-Galarza, Salvador Anderson, Daniel D Fuerst, E. Patrick 170 Lépez-Granados, Francisca Andersson, Torsten N. Gallagher, Robert S. ......... 48, 5 , 214 Lorraine-Colwill, Debrah F. Andrews, Todd S Gallandt, Eric R. 238 Lownds, Norm E. SS Gardner, D. R. 116 Lumsden, Robert D. ........... 501, Ayeni, Albert O. SD ereere a rene 170, 217 Luschei, Edward C. BOO EDA ee. 501, Geier, Patrick W. 366 Lutman, Feter J. W. Bailey, T. B. Ne ee 575 Lym, Rodney ES rae Gossen, Reonna R. Slagell 249 Majek, Bradley A. Bararpour, Mohammad T. .......... Koreans, Corrates W.. . es 442 Mallory-Smith, Carol A. Bascomb, Newel KF ............... Greer, Ken 487 IR IS Gigs aS 6 on hs Ra NE a be Baumgartner, Jolene R. ............ Gressel, Jonathan 459 Maroto, José V. Baziramakenga, R. ot Se 284 Martin, Alex R. Becker, Roger L. : Grice, Anthony C. 467 Masters, Robert A. NINO eesti ge sas aie es Grossman, Klaus 707 McCallister, D. L. Benech-Arnold, R. L. Guttieri, Mary J. , San McCloskey, W. B Bewick, Thomas A. Hage, David S. 381 Meinen, Esther Blackshaw, Robert E. Hageman, Neal R. 366 Mersie, Wondi Blank, Robert R. Halgerson, James L. oe, SIE eee eee mee 30, Boerboom, Chris M Hall, Linda M. eh: ee EE ye oid Sys ans 1eis Klee Se Miller, Travis D. PIR icy. cia bis dvd Riarai a a0 Hammerstedr, Jeff Moffett, J. E Bovey, Rodney W. Hansen, J Molnar, Louis J Boyette, Michele Harden, Steven Buhler, Douglas D Hart, Stephen E. Morales-Payan, Jose P.- ............- Burns, A. B. Hashem, Abul Morrison, Ian N. Burnside, Orvin C Hatterman-Valenti, Harlene Mortensen, David A. Cameron, James H. OS | ee Mullinix, Jr., Benjamin G. .......... Cardina, John Hebbar, K. Prakash Mulugeta, Dawit Carpenter, Will Hicks, T. Vint Murison, Robert D. Chandler, James M. SS A rere Murphy, Glen P. Chase, Carlene A Hoffman, David L Neeser, Christophe Chevalier, D. FE. Holder, Bobby J. sch Nelson, Kelly A MNES ie ae a i cars 9a oie os Bats A) ee Nissen, Scott J. Coble, Harold D. Horsman, Geoff P. Norquay, Heather M. ] Cobucci, Tarcisio Hundal, Lakhwinder S. ............ PORNO Ts as 6564 8.8)55/a5 b0l5e 163 Colbach, Nathalie Hunt, L. Anthony Northam, Francis E. ..... 00.05.56, 366 Comfort, Steve D. See Oliver, Lawrence R. 99, 271, 424, 652 Comstock, Gary Johnson, Michelle M. ............. Orfanedes, Michael S. ............. 71 Ceumiem, Wimam J. ... 6.6. eee Johnson III, W. Carroll Owen, Micheal D. K. .......... 264, 526 Corson, S Johnson, William G............... Palmeumt, Debra BE... ww... ccens 191 Cowan, Paul Jones, Martha Pascual, Bernardo 318 Te) | Se ee rr eri Currie, Randall S. Jordan, David L. Peeper, T. F. 249 Darlington, Lee C Jourdan, Scott W. Penner, Donald 8, 13, 24, 139, 587 De Ruiter, Hans Kanampiu, Fred K WUE GOA, ik sete Chow es 196 Debaeke, Phillippe Katovich, Elizabeth J. Stamm Peterson, Dallas E. Deen, William Kegode, George O Pleban, Shlomo Defelice, Michael S. Kells, James J. OS Kendig, J. Andrew Porter, G. A. Dellow, James J Knezevic, Stevan Z. Powe, Steer DB. 2... ec ce sus Devine, Malcolm D. .............. Kobayashi, Katsuichiro “8 Prates, Hélio T. Dilbeck, Jeffrey S. oS ee eae Preston, Christopher DiTommaso, A. Price, William J. Donald, W. W. Kwon, Tae-Jin Prostko, Eric P. OE OS | a ee Leroux, G. D. Radosevich, Steven R. ...... 149, 181, Doucet, Colleen Levene, Brian C. Ralphs, Michael H Douches, D. S. TIN feos ac: Gig ue was bca ktat avera}uiain Ransom, Corey V. Dusky, Joan A. Liebman, Matt Ransom, Joel K Eberlein, Charlotte V. .......... 150, Lindquist, John L. Ratliff, Randall | 740 ° Weed Science 46, November—December 1998 Author Index—Volume 46 January—December 1998 Abad, Paloma Ellis, Brian E. .... = cats 344 Lindwall, C. Wayne Abayo, Gordon O. ............... WOME ht ia ble4w 2 s ee 59 Liu, Chien-An Adkins, Stephen W. English, Terry 459 Liu, Jianbo Agiiero, Renan Eplee, Robert E 459 Liu, Lixin Aiken, William Faiceo, Ciiristan L. M. ............ 258 Locascio, Salvadore J. Al-Khatib, Kassim a 358 Locke, Martin A. Alagarda, José Foes, Matthew J. 514 Loépez-Galarza, Salvador Anderson, Daniel D Fuerst, E. Patrick 170 Lépez-Granados, Francisca Andersson, Torsten N. Gallagher, Robert S. ......... 48, 5 , 214 Lorraine-Colwill, Debrah F. Andrews, Todd S Gallandt, Eric R. 238 Lownds, Norm E. SS Gardner, D. R. 116 Lumsden, Robert D. ........... 501, Ayeni, Albert O. SD ereere a rene 170, 217 Luschei, Edward C. BOO EDA ee. 501, Geier, Patrick W. 366 Lutman, Feter J. W. Bailey, T. B. Ne ee 575 Lym, Rodney ES rae Gossen, Reonna R. Slagell 249 Majek, Bradley A. Bararpour, Mohammad T. .......... Koreans, Corrates W.. . es 442 Mallory-Smith, Carol A. Bascomb, Newel KF ............... Greer, Ken 487 IR IS Gigs aS 6 on hs Ra NE a be Baumgartner, Jolene R. ............ Gressel, Jonathan 459 Maroto, José V. Baziramakenga, R. ot Se 284 Martin, Alex R. Becker, Roger L. : Grice, Anthony C. 467 Masters, Robert A. NINO eesti ge sas aie es Grossman, Klaus 707 McCallister, D. L. Benech-Arnold, R. L. Guttieri, Mary J. , San McCloskey, W. B Bewick, Thomas A. Hage, David S. 381 Meinen, Esther Blackshaw, Robert E. Hageman, Neal R. 366 Mersie, Wondi Blank, Robert R. Halgerson, James L. oe, SIE eee eee mee 30, Boerboom, Chris M Hall, Linda M. eh: ee EE ye oid Sys ans 1eis Klee Se Miller, Travis D. PIR icy. cia bis dvd Riarai a a0 Hammerstedr, Jeff Moffett, J. E Bovey, Rodney W. Hansen, J Molnar, Louis J Boyette, Michele Harden, Steven Buhler, Douglas D Hart, Stephen E. Morales-Payan, Jose P.- ............- Burns, A. B. Hashem, Abul Morrison, Ian N. Burnside, Orvin C Hatterman-Valenti, Harlene Mortensen, David A. Cameron, James H. OS | ee Mullinix, Jr., Benjamin G. .......... Cardina, John Hebbar, K. Prakash Mulugeta, Dawit Carpenter, Will Hicks, T. Vint Murison, Robert D. Chandler, James M. SS A rere Murphy, Glen P. Chase, Carlene A Hoffman, David L Neeser, Christophe Chevalier, D. FE. Holder, Bobby J. sch Nelson, Kelly A MNES ie ae a i cars 9a oie os Bats A) ee Nissen, Scott J. Coble, Harold D. Horsman, Geoff P. Norquay, Heather M. ] Cobucci, Tarcisio Hundal, Lakhwinder S. ............ PORNO Ts as 6564 8.8)55/a5 b0l5e 163 Colbach, Nathalie Hunt, L. Anthony Northam, Francis E. ..... 00.05.56, 366 Comfort, Steve D. See Oliver, Lawrence R. 99, 271, 424, 652 Comstock, Gary Johnson, Michelle M. ............. Orfanedes, Michael S. ............. 71 Ceumiem, Wimam J. ... 6.6. eee Johnson III, W. Carroll Owen, Micheal D. K. .......... 264, 526 Corson, S Johnson, William G............... Palmeumt, Debra BE... ww... ccens 191 Cowan, Paul Jones, Martha Pascual, Bernardo 318 Te) | Se ee rr eri Currie, Randall S. Jordan, David L. Peeper, T. F. 249 Darlington, Lee C Jourdan, Scott W. Penner, Donald 8, 13, 24, 139, 587 De Ruiter, Hans Kanampiu, Fred K WUE GOA, ik sete Chow es 196 Debaeke, Phillippe Katovich, Elizabeth J. Stamm Peterson, Dallas E. Deen, William Kegode, George O Pleban, Shlomo Defelice, Michael S. Kells, James J. OS Kendig, J. Andrew Porter, G. A. Dellow, James J Knezevic, Stevan Z. Powe, Steer DB. 2... ec ce sus Devine, Malcolm D. .............. Kobayashi, Katsuichiro “8 Prates, Hélio T. Dilbeck, Jeffrey S. oS ee eae Preston, Christopher DiTommaso, A. Price, William J. Donald, W. W. Kwon, Tae-Jin Prostko, Eric P. OE OS | a ee Leroux, G. D. Radosevich, Steven R. ...... 149, 181, Doucet, Colleen Levene, Brian C. Ralphs, Michael H Douches, D. S. TIN feos ac: Gig ue was bca ktat avera}uiain Ransom, Corey V. Dusky, Joan A. Liebman, Matt Ransom, Joel K Eberlein, Charlotte V. .......... 150, Lindquist, John L. Ratliff, Randall | 740 ° Weed Science 46, November—December 1998 Reddy, Krishna N. ............-.. Upadhyaya, Mahesh K. ............ 344 Renner, Karen A. ..............2-- Stall, William M. ............. 307, 661 Usui, Kenji Rezende, Marcio M. V. ............ Starke, Robert J 2 VanGessel, Mark J. ............44. 91 NS on asaa Syraid aww e Steffen-Campbell, Jody Vargas, Joseph Roeth, Fred W. Sterling, Tracy M. Vicente, MariaJ. .............266- Sticklen, Mariam Vogelgsang, S. Rushing, G. Scott Stoller, Edward W. ............... Sabba, Robert PR ................. Stoltenberg, David E. ............. Sanchez, Rodolfo A. .............. WOO NDS. ot see eae canekan Santos, Bielinski M. Strem, Mary Weaver, Susan EE. ............. 200, 533 Schoenau, JeffJ Strobel, G. A. Webster, Theodore M. 76 Schroeder, Jill Stromme, Kim M. Wehrje, Glenn R. ........--00005. 284 Schultheis, Jonathan R. ............ Sturner, Stephen F ............... Weisberg, Sanford SOE, UM. 6 ic ke eee 351 Swantek, Jason M. ............... Westra, Philip Scott, Robert C 2 Swanton, ClarenceJ 533, 555, 561, 673 Wiens, Melvin J. Seefeldt, Steven S. Szmigielska, Anna M. ............. 4 Senseman, Scott A. ............... 614 Talbert, R. E. Wille, Michael J. ................ Seybold, Cathy Teasdale, John R. ................ Williams I], Martin M. ............ Shaw, David R. Thill, Donald C. Wright, Terry R. Shea, Patrick J. Thompson, W. Mack Wa, Hsini-I ee eee 540 Tierney, Dennis Young, Bryan G. Shilling, Donn G. Tingle, Christopher H. ............ Young, Douglas L. ............... 205 Sinclair, Thomas R. Tongma, Suthep Young, Frank L............... 205, 632 Singh, Jasbir Tranel, Patrick J. ee ee ee 191 Smisek, Alida pe Peeere e re Zemetra, Robert S. ............ 313, 632 SOE INE ©a ise vea iccesy eidr ol acanieace Tworkoski, Thomas J. ............. 59 Zhang, Jianhua Solie, J. B. CS) Sen rrr 264 er ee re Serr no 249 Zhong, Heng Stabell, Elisa Ullrich, Silke D Zimdahl, Robert L. 635, 636 Subject Index—Volume 46 January—December 1998 '4C herbicides Apocynum sibericum Allelopathic activity Application method Allelopathy Application timing 3,5-dibromo-4-hydroxybenzonitrile ... . Arachis hypogaea 14-deacetylnudicaluine ALS herbicides Arachis pintoi ALS inhibitors ARAHY Alternative weed management Area of influence Above-ground interference 48, 53, 214, 307, 581 Aryloxyphenoxypropionate Abscisic acid Aryltriazolinone Absorption Atrazine Absorption of glyphosate 652 Amaranthus hybridus . . 48, 53, 214, 307, 581 65, 76, 414, 569, 587, 652 Amaranthus palmeri 652 Auxin herbicides Abutilon theophrasti .. 65, 76, 414, 447, 569, Amaranthus powellii Auxinic herbicide Amaranthus retroflexus . . . 48, 53, 65, 214, 301, 39, 170, 196, 336 AC 263 222 533, 665 Avena fatua 39, 170, 196, 336 ACCase Amaranthus rudis 514 Avena sativa 30, 170, 238 ACCAse inhibitor Amaranthus spp. .......-. 48, 53, 533, 595 Avena spp ACCase resistance Amaranthus viridis 432 Acetohydroxyacid synthase AMARE ... 48, 53, 65, 127, 214, 301, 533, Banded herbicides Acetolactate sensitivity 665 238, 595, 703 Acetolactate synthase 13, 24, 403, 514 Barnyardgrass 163, 533, 652, 707 Acetolactate synthase inhibitors . . . . 390, 459 BAS-514H Acetyl-CoA carboxylase 105, 214, 301, 561, 587 Bean ACH-31 Ambrosia artemistifolia .. 105, 214, 301, 555, Below-ground interference Acifluoren 258, 264, 587 Bentazon Addition series 181, 661 Aminoethoxyvinylglycine Beta vulgaris Adjuvant 2, 397, 587 Anion exchange membranes Bialaphos Adsorption Annual grass Bioactivity Adventitious shoot buds Anoda cristata Bioassay Adventitious shoot growth Anoxia Biochemical mechanism AEGCY Antagonism Biocontrol Aegilops cylindrica ............. 313, 632 Bioeconomic model AFLP analysis Bioherbicide Agrostis palustris Biological control Biological risk Apocynum androsaemifolium Biological weed control Apocynum cannabinum Subject Index 741 Birdsrape mustard : Corn hybrid Eleusine indica Black nightshade 289 Coronivia grass ELYCM Bound residue 32, 381 SS aCaee err erere rarae «| Elytrigia repens Bound-residue formation 480 Cover crop residues Emergence 217, 330, 549 Brachiaria brizantha 614 Creeping bentgrass Emergence pattern 83 Brachiaria dictyoneura . 614 Critical period Emergence time Brachiaria platyphylla 707 Critical weed-free period Enhanced degradation 707 Crop fitness Entireleaf morningglory Brassica campestris 632 Crop management Environment Brassica kaber 301 Crop oil concentrate Environmental fate Brassica napus 127, 419, 632 Crop response Rasa hos ore e bow Sid A ead Brassica oleracea 614 Crop rotation Epinasty Brassica rapa 30 Bromoxynil 150 Cropping systems Bromus secalinus 249 Cross resistance Eriochloa villosa Bromus tectorum 366 Crown roots Erythroxylum coca 249 Cucumber Se Cucumis sativus Ethomeen T/25 Brown patch Cucurbita pepo Ethylene Cultivar identification Euphorbia esula Bud dormancy Cultivar selection Evolved resistance OS eae Cultivated oat Fallow rotation Butterflypea Cultural weed control False cleavers Cabbage RIS Miki caya kipre re ares8 1a cada a a Far-red light Canada thistle CYNOF = CYWOF Fenoxaprop Canola Cynoglossum officinale Fertility effects on weeds Canopy dominance Cyperus esculentus . . Fertility management Capitata Cyperus iria Carbohydrate fluctuations Cyperus rotundus Festuca arundinacea Carbohydrate levels Cyperus spp Field bindweed Caryopsis anatomy Field testing Fierce thornapple Fingerprinting Centaurea maculosa Darkness Flooding Centaurea solstitialis PRONE 5c i6%5505 7S5O.M 8o.o5. )0/5 '9 Florets Centrifugation Dazomet Centrosema acutifolium DEDTO Florida beggarweed Centrosema macrocarpum Deethylatrazine Florida pusley Fluazifop , 587 Degradation 249 DELBA Fluctuating temperatures Chemical extraction 487 Delphinium barbeyi Flumetsulam Chenopodium album .... , 301, 587 Demography Foliar activity Chlorimuron Density Fomesafen Chlorophyll fluorescence 163 Desmodium tortuosum Forage sorghum . . Chlorsulfuron 13, 24, 459 Desorption Formulation Chlorsulfuron resistance 521 Detectspray Formulation technology 120 Detectspray system WI os ko td pektd ws Gd eee hoe Bes Cirsium arvense 120 Freundlich Citrullus lanatus 530 Diclofop Fructosan Clethodim 587 Diethylatrazine Functional analysis Climate 289 Digitaria ciliaris PONSA TIOEANEE. 65 3.5 5x io een Sai Clomazone 3 Digitaria sanquinalis Fungi Clopyralid 20, 707 Fusarium blight Coca 682 Fusarium oxysporum Cocklebur Diphenylether Fusarium sp. Cohorts 65 Dispersal GA, Common cocklebur 99, 105, 424 Distance of influence Galium spurium Common lambsquarters.. 65, 214, 301, 587 Distribution coefficient Common purslane 83, 214, 307 Disulfoton Common ragweed .. 105, 214, 301, 555, 561, Diversity 587 Dollar spot Genetic engineering Common waterhemp 514 Dormancy Genetic-markers Comparative growth 91 Dose-response Genetic relationship Competition 569 Downy brome Genetic variation Competitive ability 569 NI 2 six.)s .a tsc Siic Cie gopwi eeierw,ayaTers Genetics Competitive index 533 Early-maturing soybean Germination 30, 48, 53, 83, 214, 217, 344, Competitive interactions 307 163, 533, 652, 7 Computer management aid 99 Echinochloa crus-galli .. . . 163, 533, 652, Germination temperature 690 Echinochloa frumentacea Giant foxtail .. 65, 105, 214, 225, 322, 330, Conservation fallow 120 Ecology 397, 545, 587 Conservation tillage 225 Economic threshold Gibberellic acid Contamination 132 Ecotype Gibberellin 191 Conventional tillage 351 EDs Glufosinate resistant Convolvulus arvensis 690 Edible bean Glyceollin Conyza canadensis 200 Glycine max .. 2, 99, 105, 264, 271, 424, 454, 8, 225, 258, 447, 459, 614 475, 533, 581, 587, 595, 614 742 Weed Science 46, November—December 1998 Glyphosate ... 59, 116, 120, 289, 604, 652, Integrated weed management .. 225, 238, 533, Mexican sunflower 569, 595, 665, 673, 698 Goals of agriculture Interaction 652 Mineralization Goals of weed science Interference .. 231, 301, 424, 438, 530, 533 Mixed weed population Goosegrass Interference threshold Modeling Gossypium hirsutum Models Granules Moist stratification Grass rotation Ipomoea hederacea Moisture stress Green foxtail Ipomoea lacunosa Molecular basis Groundwater quality Ipomoea wrightii MON 37500 Group IV soybeans IPOWR Monoculture Growing degree days Iron-enhanced Morphogenesis Growth , Irradiance Morphological variation Growth analysis Irrigation scheduling ; Morphology Hairy nightshade . Isogenic lines ; Movement Hairy vetch , Isoxaflutole ; Multispecies Half-life Isoxazoles Mulktispecies interference Halosulfuron Isozyme analysis Multiple resistance Halosulfuron-methyl Italian ryegrass Multiple weed species Hammer mill Ivyleaf morningglory Multivariate analysis Hand weeding , Jacquemontia tamnifolia My View 1, 149, 283, 389, 509, 631 Harvest index Japanese millet i Mycoherbicide 501, 682, 690 HELAN 3 Johnsongrass 4 Narrow row Helianthus annuus Jointed goatgrass ; Natural hybridization Hemp dogbane Juvenile phase Near infrared reflectance spectroscopy .. 540 Herbicide § KCHSC ‘ Nematodes Herbicide absorption , 403 Kochia Nicosulfuron Herbicide carryover Kochia scoparia NIS Herbicide damage L03 Nitrapyrin Herbicide efficacy Lactofen Nitrate Herbicide interaction " Lactuca sativa . Nitrification Herbicide leaching : Landscape positions Nitrilase Herbicide loss Large crabgrass Nitrogen Herbicide metabolism 2 Lateral roots : Nitrogen interactions Herbicide movement Laticifer J Nitrogen rate Herbicide persistence 258, 608 Leaf area ratio No-till Herbicide rate 336 Leaf water potential 3 No-tillage Herbicide residue map 608 Leaf weight ratio Nonchemical weed control Herbicide resistance .. 8, 13, 150, 170, 158, Leafy spurge Nonionic surfactant 163, 196, 200, 313, 390, 403, 514, 521, Legume-grass rotation Nonstructural carbohydrates Legume green manures : Norditerpenoid Herbicide resistant crops F Lens culinaris Nutrient competition Herbicide safener ; Nutsedge interference Herbicide savings Lepidium virginicum Oat Herbicide susceptibility LEPVI Herbicide tolerance , 614 Lettuce Herbicide translocation Light Oryza sativa . . Heterodera glycines Light effects Oxygen Hordeum vulgare Light environment Oxygen uptake Horseweed Light response 7 Palisade grass Houndstongue Linear model Palmer amaranth HPLC Palmleaf morningglory Hybrids Lolium multiflorum ; PALWeed: Wheat II Hydroxyatrazine Lolium rigidum Papaver somniferum Hysteresis § Paraquat IAA Parasitic weeds Loss from weeds 3 Parasitic witchweed Image analysis Lythrum salicaria Imazameth Peanut Imazamethabenz acid Maine potato ecosystem project Imazamethabenz-methy] Male and female clones Pennisetum americanus = P americanum . . Imazamox 8, 24, 258, 459, 587, 632 Maternal effects Pennsylvania smartweed Imazapyr 8, 459, 614 Maternal plant growth ; Percentage emergence Imazapyr residue 614 Mechanical damage Perennial peanut Imazaquin Mechanistic model Perennial weed Imazethapyr . . 8, 13, 24, 105, 264, 403, 459, Medicago sativa Pest management systems 581, 587, 514, 608, 652 Medusahead Pesticide Imidazolinone ... 8, 24, 258, 336, 390, 510 Metabolism Pesticide interaction Imidazolinone resistance Methyl bromide Petri dish bioassay Imidazolinones Methyl bromide alternatives Phaseolus vulgaris Inbreeding coefficient Methylated seed oil - Phenological development Indeterminate soybeans Methyllycaconitine Phenology Indian jujube Metolachlor Phenotypic marker Infrared sensor Metribuzin Phomopsis convolvulus Inheritance of tolerance Metsulfuron Phosphorus Innate dormancy Metsulfuron-methyl Photocontrol cf germination Subject Index Photomorphogenesis 48, 53, 575 Reduced tillage Soil application Photoperiod 561 Regrowth Soil bioassay Photoperiod response 39 REL-1 Soil columns Photosynthesis 217 Relative fitness Soil cultivation Photosynthesis inhibition 163 Replacement series ............ 307, 4 Soil incorporation Photosystem II 163 Reproduction Soil management systems ........... Photothermal time 555 Resistance Soil properties Phytochrome 419 Rhizoctonia solani Soil residue Phytotoxic effect 432 Rhizome development Soil seed bank Phytotoxicity 454 163, 217, 258, 374, Soil solarization Picloram 707 Rice flatsedge Soil temperature Pigweed 533 Richardia scabra Solanum nigrum Pisum sativum 238 Ridge truncation Solanum sarrachoides Pitted morningglory , 652 Rights-based ethics Solanum tuberosum Plant architecture 665 Rigid ryegrass 289 Plant bioassay 614 Rimsulfuron 301 Plant characters Roller mill Somatic cell selection 13, 24 Plant disease Root exudation SOs) = SORVU wcse .ckcc ccn 322, 330 Plant height Rotational crops Sorghum 258, 432, 665 Plant stress Row spacing Sorghum bicolor , 258, 322, 330 Planting date Runoff ... Sorghum halepense 2, 549 Planting interval Rye Sorghum vulgare Poikilotherm rate equation Ryegrass competitiveness Poisonous plant Scanning electron microscopy Sorption Scarification SORVU Sclerotinia homoeocarpa Soybean ... 2, 99, 105, 264, 271, 424, 454, SCN 475, 533, 581, 587, 595, 614 Polyethylene glycol Sediments Soybean cyst nematode Polygonum aviculare Soybean injury Polygonum convolvulus Seed bank Spatial arrangement Polygonum pensylvanicum Seed bank depletion Spatial distribution Poppy Seed bank dynamics ee ere Population Seed banks Spline regression Population dynamics ...... Seed burial Spotted knapweed Populations Seed coat Spotted knapweed seed germination POROL Seed dormancy Spray retention Portulaca oleracea Seed drench Spreading dogbane Potassium carbonate Seed extraction Te ee rae 30, 336 Potato Seed germination Spring oats Potatoes Spring wheat Powell amaranth Seed persistence Spurred anoda Prairie dogbane Seed population Squash Predictive models Seed production .... Stale seedbed Preemergence application Seed rain Pe isco cs said Soka olh o Oapsse ss 358, 540 Primisulfuron Seed storage Stem weight ratio Profit maximization Seed stratification STRHE Propanil resistance Seed thermal response Striga asiatica Prostrate knotweed Seed viability Striga hermonthica Proximity factors Seedless watermelon et, , ee ee ee Purple loosestrife Seedling emergence STRLU Purple nutsedge Seedlots Stylosanthes capitata Pyridate Selective placement Submerged sediment Pyrimidinylthiobenzoate Selective sprayer .. . Sucrose Pyrithiobac Senna obtusifolia Sugarbeet Pyrithiobac sodium 111 Setaria faberi .. 65, 105, Sulfentrazone Pythium aphanidermatum 3 Sulfometuron-methyl Pythium blight . . . 139 Setaria spp. Sulfonylurea 8, 158, 390, 459 Quackgrass_ . , , 176 Setaria viridis ............ Sulfonylurea herbicides 366 Quantitative analysis 83 SETFA .. 65, 105, 214, Sulfonylurea resistance NE a. Rca RSIS Sdmieraranaea 390, 707 Sumerged soil 480° Quinmerac 707 Sethoxydim ...............2 , Summer annuals................. 214 Radish 32, 661 Sunflower Rainfall amount 581 Suppressive ability Rainfall intensity 581 Shattercane Rangeland weed 510 Shoot development RAPD analysis 318, 408 Sicklepod Raphanus sativus eee | Similarity coefficient Rapid evaluation 703 Simulation Synergism RCHSC 698 Taeniatherum caput-medusae Recruitment ... 214 Take-all Rectangularity 181 Tall fescue 608 Slender amaranth Tall larkspur Red clover 238 Smallflower morningglory Tank mix interaction . Redroot pigweed . . . 48, 53, 65, 214, 301, 665 Smooth pigweed Tank mixture Reduced herbicide rates Soil Temperature Reduced herbicide use Temporal distribution 744 * Weed Science 46, November—December 1998 Thifensulfuron 8, 454, 514, 587 Turnip rape Weed management Threshold Uprake Weed management model Till-plant Urea ammonium nitrate Weed plant-back Tillage 214, 419, 424 Utilitarianism Weed population dynamics Tillage implements ............... 351 MCG ce wit ake kaa eee 636, 640 Weed populations Tillage systems Vegetative filter strips 475 Weed removal Time of emergence Velvetleaf ... 65, 76, 414, 447, 569, 587, 652 Weed seedbank Weed seedling count Time of intervention Very low fluence sensitivity Weed seedling emergence Time of rain Vicia villosa Weed sensing Time of weed emergence Video photography Weed-sensing sprayer 1 Time of intervention Virginia pepperweed Wheat 30, 83, 127, 313, 438, 595, 703 TITDI Water potential Wheat competitiveness Tithonia diversifolia Water quality Wild buckwheat Tolerance Water remediation Wild mustard Toxic alkaloid Water stress , 2 eae 39, 170, 196, 336, 703 Transformation Watermelon Winter wheat 181, 205, 366, 632 Transgenic Weed biology Witchweed Translocation Weed biomass Woolly cupgrass Translocation of glyphosate Weed competition XANSI Triazine Weed control 139, 214, 225 XANST Triazolopyrimidine resistance Weed demography 717 Xanthium occidentale 442 Xanthium strumarium 99, 105, 424 Triazolopyrimidine sulfonanilide Weed density 99, 176, 533 Yellow nutsedge ... 111, 231, 318, 575, 698 Trifolium praiense Weed diversity Yellow starthistle 297 Trifulsulfuron Weed dynamics Yield loss Triploid watermelon Weed ecology 71, 330, 642 Yield reduction Triticale Weed emergence 351, 424, 530 Yield response function Triticum aestivum ... 30, 83, 127, 181, 205, Weed fitness Zea mays .. 8, 225, 258, 447, 459, 569, 614 313, 366, 438, 632, 703, 707 Weed growth Zero-valent iron Weed life-cycle Ziziphus mauritiana Subject Index * 745