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Transcript of ::e- wP i v K - GBV · troutman, r. e. frans, and j. w. king 57 effect of postemergence herbicides...
PROCEEDINGS
SOUTHERN WEED SCIENCE SOCIETY
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VOLUME 27
1974
TABLE OF CONTENTS
PROCEEDINGS
OF THE
TWENTY-SEVENTH ANNUAL MEETING - SOUTHERN WEED SCIENCE SOCIETY
PLENARY SESSION - INVITATIONAL PAPERS
THEME: "WEEDS - ENVIRONMENTAL BANDITS"
ARE HERBICIDES ENVIRONMENTAL CONTAMINANTS? Allen F. Wiese 1
WEED SCIENCE IN PEST MANAGEMENT PROGRAMS. W. B. Ennis, Jr 8
SYMPOSIUM
HOW WEEDS AFFECT AQUATIC ENVIRONMENTS. Robert D. Blackburn 16
HOW WEEDS INFLUENCE THE CROP ENVIRONMENT. Dudley T. Smith 24
THE EFFECT OF WEEDS ON THE INDUSTRIAL ENVIRONMENT. John H. Kirch 29
HOW WEEDS INFLUENCE THE PASTURE ENVIRONMENT. Albert E. Smith 35
THE URBAN ENVIRONMENT. J. A. Long 42
SECTION I - WEED CONTROL IN AGRONOMIC CROPS, TURF AND PASTURES
EFFECT OF INCORPORATED LUPINE ON GROWTH OF SELECTED WEED AND CROP SPECIES.Fredric Lehle and Robert Frans 46
CONTROLLING WILD POINSETTIA IN SOYBEANS. P. R. Vidrine, J. L. Killmerand R. Larry Rogers 47
CONTROLLING JOHNSONCRASS IN SOYBEANS. R. M. Carter, S. H. Crawford andR. L. Rogers 48
PROGRAMS FOR CONTROLLING COCKLEBUR, PRICKLY SIDA AND HEMP SESBANIA INSOYBEANS. E. R. Butts, R. L. Rogers, P. R. Vidrine, S. H. Crawford 49
INFLUENCE OF WEED GROWTH STAGES ON THE ACTIVITY OF FLUORODIFEN. J. F.Mason, Ford Baldwin, and P. W. Santelmann 50
RESPONSE OF PEANUTS AND BROADLEAF WEEDS TO POSTEMERGENCE HERBICIDETREATMENTS. Reafield Vester, Gale A. Buchanan and E. G. Rodgers 51
SUSCEPTIBILITY OF SEVERAL CROPS AND WEEDS TO CYANAZINE. C. M. French, P. W.Santelmann, and H. A. Greer 52
POSTEMERGENCE WEED CONTROL IN DORMANT BERMUDAGRASS. B. C. Troutman, R. E.Frans, and J. W. King 57
EFFECT OF POSTEMERGENCE HERBICIDES ON CAROLINA HORSENETTLE. Mike Kirbyand P. W. Santelmann 58
SEEDLING PINE RESPONSE TO FIRST-YEAR VEGETATION CONTROL. J. E. Voeller,J. F. Young and H. A. Holt 59
TOLERANCE OF CERTAIN SOYBEAN VARIETIES TO BENTAZON. E. D. Godbold andB. J. Gossett 64
RESPONSE OF SOUTH CAROLINA SOYBEAN VARIETIES TO METRIBUZIN. B. J. Gossettand J. H. Palmer 65
PREEMERGENCE CONTROL OF BROADLEAF WEEDS IN SOYBEANS. J. H. Palmer andH. D. Yonce 66
AC 92,390 - A SELECTIVE PREPLANT INCORPORATED HERBICIDE IN SOYBEANS.J. B. O'Neil, J. C. Dunn, T. R. Cox, and R. W. Feeny 67
ORYZALIN FOR PREEMERGENCE WEED CONTROL IN SOYBEANS. J. H. Watson, J. L.Barrentine, J. A. Keaton, D. H. Lade, J. L. Pafford, and R. H. Walker 68
EFFECTIVENESS OF BASAGRAN WITH AIR AND GROUND APPLICATORS. Jack T.Thompson and J. W. Daniel 74
TRIFLURALIN PLUS METRIBUZIN: A NEW HERBICIDE COMBINATION FOR WEED CONTROLIN SOYBEANS. J. A. Keaton, D. A. Addison, J. L. Barrentine, C. D. Hobbs,D. H. Lade, J. L. Pafford, R. H. Walker, and J. H. Watson 77
SOYBEAN WEED CONTROL WITH METRIBUZIN AND PREPLANTING HERBICIDES. W. L.Barrentine 88
SICKLEPOD CONTROL IN SOYBEAN. L. R. Oliver, W. M. Lambert, and A. R. James..89
MULTIPLE HERBICIDE APPLICATORS PLUS CULTIVATION FOR SICKLEPOD CONTROL INSOYBEANS. John W. Schrader and W. F. Haskins 90
COCKLEBUR COMPETITION IN SOYBEANS. W. L. Barrentine 91
COCKLEBUR CONTROL IN SOYBEANS WITH METRIBUZIN AND BENTAZON. John W.Schrader and Walter F. Haskins 92
NO-TILLAGE STUDIES IN SOYBEANS, CORN AND VEGETALBES. W. E. Chappell 100
CONTROLLING WEEDS IN COTTON WITHOUT CULTIVATION. Harold D. Kerr andCurtis M. Royster
NARROW - ROW COTTON WEED CONTROL IN THE LOWER RIO GRANDE VALLEY OF TEXAS.Sim A. Reeves, Jr
PERFORMANCE OF COTTON HERBICIDES IN SOUTH TEXAS. D. N. Weaver Ill
THE EFFECT OF CULTIVATION ON WEEDS CONTROLLED BY FLUOMETURON IN COTTON.Clyde C. Dowler and Ellis W. Hauser 112
COMPARATIVE GROWTH OF FOUR MALVACEOUS SPECIES. J. M. Chandler andJ. E. Dale 116
NUTSEDGE CONTROL IN COTTON WITH MBR-8251. S. H. Crawford, L. W. Sloane
and W. J. Blackmon • • • H8
CONTROL OF SPURRED ANODA IN COTTON. R. S. Baker and H. W. Ivy 119
PRICKLY SIDA CONTROL IN COTTON WITH PREEMERGENCE HERBICIDES. Hugh W. Ivy...120PROWL - A NEW SOIL INCORPORATED HERBICIDE FOR COTTON. D. R. Zarecor,J. C. Dunn, R. S. Mathews and R. W. Feeny 120
USING MSMA TO REDUCE DIURON INDUCED TOXICITY IN COTTON. J. R. Abernathyand L. L. Ray 121
WEEDS OF ARKANSAS RICE FIELDS. Harold R. Hurst, Bobby A. Huey and
Roy J. Smith, Jr 122
STALE SEEDBED WEED CONTROL IN RICE. John B. Baker 124
BASAGRAN FOR DAYFLOWER CONTROL IN RICE. J. W. Daniel 125PROPANIL-ADJUVANT MIXTURES FOR BARNYARDGRASS CONTROL IN RICE. Roy J. Smith,Jr 126
RICE WEED CONTROL IN THE WESTERN BELT OF TEXAS. Rupert D. Palmer andC. W. Helpert 127
PROGRESS REPORT: INTERACTION OF AN INSECTICIDE, HERBICIDES, AND PEANUTVARIETIES. Ellis W. Hauser and Gale A. Buchanan 136
WEED CONTROL SYSTEMS FOR PEANUTS. Henry D. Yonce and C. N. Nolan 137
HERBICIDE COMBINATIONS FOR WEED CONTROL IN SORGHUM. C. W. Helpert, E. F.Eastin and M. G. Merkle 133
PRELIMINARY EVALUATION OF ASULAM FOR TORPEDOGRASS CONTROL IN COMMONBERMUDAGRASS. G. E. Coats >##
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EVALUATION OF S-21634 FOR NUTSEDGE CONTROL IN TURFGRASSES. B. J. Johnson...150
WEED POPULATION SHIFTS IN A THREE-YEAR ROTATION. H. D. Coble and J. W.Schrader , 151
S-21634, l-METHYL-4-PHENYLPYRIDINIUM CHLORIDE, FOR THE CONTROL OF NUTSEDGE.
E. R. Cozart and J. W. Pullen 152
A CHEMICAL ROGUING TECHNIQUE WITH THE HERBICIDE GLOVE. George W. Laws 153
TRIFLURALIN APPLIED AS A SUBSURFACE LAYER FOR PERENNIAL WEED CONTROL IN
THE SOUTHWEST. D. A. Addison, J. C. Walker, and W. R. Arnold 155
BIFENOX BROADLEAF HERBICIDE - A STATUS REPORT. Paul J. Kruger 161
HERBICIDES FOR CONTROL OF WITCHWEED (STRIGA LUTEA) M. A. Langs ton andR. E. Eplee 163METRIBUZIN FOR PREEMERGENCE WEED CONTROL IN SUGARCANE. R. W. Millhollon 165
SECTION II - WEED CONTROL IN HORTICULTURAL CROPS
PHYTOTOXICITY OF GLYPHOSATE, MSMA, AND PARAQUAT TO BEARING CITRUS.Arlen D. Klosterboer 166
INFLUENCE OF GLYPHOSATE ON GRASSES IN PEACHES AND PECANS. J. B. Aitken 170
TOLERANCE OF MUSCADINE VINES, PECANS, PEACHES, AND CHRISTMAS TREES TOGLYPHOSATE. Jeff W. Daniell 176
THE POTENTIAL ROLE OF GLYPHOSATE IN FLORIDA'S CITRUS WEED CONTROL PROGRAM.D. P. H. Tucker 177
EVALUATION OF SELECTED HERBICIDES FOR WEED CONTROL IN TALL BEARDED IRIS .J . H. P e r r y , G. E. C o a t s , and C. O. Box 178
HERBICIDE ACTIVITY IN CONTAINER-GROWN ORNAMENTALS. Thomas J . Monaco and
Lewis Hodges « 186
HERBICIDE EVALUATION ON WATERMELONS. Norman C. Glaze 193
IN-THE-ROW WEED CONTROL FOR PEPPERS ON FULL BED MULCH. D. S. Burgis 194
EFFECT OF MICROWAVES ON SOIL CHEMISTRY. J. S. Coartney, G. W. Hawkins, andD. G. Larsen 199CONTROLLING VIRGINIA COPPERLEAF (ACALYPHA VIRGINICA) IN LIMA BEANS(PilASEOLUS LIMENSIS). James F. Brown and Homer D. Swingle. .* 200
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PRE- AND POST-EMERGENCE WEED CONTROL IN FOREST PINE SEEDBEDS. R. HughCrowley and Mason C. Carter 201
SECTION III - THE CONTROL OF WEEDS AND WOODY PLANTS INFORESTS AND RANGELANDS
THICKENED HERBICIDES ARE EFFECTIVE ON HARDWOODS. Homer A. Brady 202
SOIL MOISTURE AFFECTS ABSORPTION OF 2,4,5-T Sprays. Homer A Brady 206
CORRELATION OF OAK CONTROL WITH RAINFALL AND TREE GROWTH. • J. F. Stritzke. . .211
NON-MECHANICAL SITE PREPARATION AND PINE DEVELOPMENT. H. A. Holt and H.A. Nation. .212
ANALYSIS OF SPRAY DEPOSITION BY U. V. SPECTROPHOTOMETRY. J. P. Walter,
C. H. Meadors and T. J. Allen 2 1 7
FOREST BRUSH CONTROL WITH MIST BLOWN HERBICIDES. John D. Walstad 218
RESIDUES OF 2,4,5-T RECOVERED FROM STREAMS FOLLOWING HELICOPTER APPLICATIONTO OKLAHOMA FORESTS. J. L. Igleheart, D. W. Warrick 221TEMPORARY DEFOLIATION OF TREES WITH ENDOTHALL/ETHEPHON. J. P. Sterrett,G. R. Leather, W. E. Tozer, W. D. Foster, and D. T. Webb 222
VEGETATIVE CHARACTERISTICS OF MESQUITE. J. P. Walter, C. H. Meadors,B. T. Cross and J. H. Brock 223
VEGETATION RESPONSE TO AERIAL SPRAYING OF HONEY MESQUITE IN THE ROLLINGPLAINS OF TEXAS. D. B. Polk, Jr. and C. J. Scifres 224
TEXAS PERSIMMON AND WILLOW BACCHARIS: NATURE, DISTRIBUTION AND CONTROL.
H. G. McCall, C. J. Scrifres and D. B. Polk, Jr 225
CHEMICAL CONTROL OF GOLDENWEED. H. S. Mayeux, Jr. and D. L. Drawe 226
FALL APPLICATION OF HERBICIDES FOR MACARTNEY ROSE CONTROL. C. J. Scrifresand H. G. McCall 227VEGETATION CHANGES IN A POST OAK SAVANNAH FOLLOWING WOODY PLANT CONTROL.C. J. Scrifres and R. H. Haas 228
SECTION IV - THE CONTROL OF WEEDS AND WOODY PLANTS ON UTILITY,RAILROAD, AND HIGHWAY RIGHTS-OF-WAY AND ININDUSTRIAL SITES
PROGRESS REPORT OF MARDEN CHOPPER. J. Dwain Bird 229
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THE PRESSURE CONTROL SYSTEM FOR PESTICIDE SPRAYERS. Robert E. Eplee 231
MODIFIED CANE-LOW OIL BRUSH APPLICATION WITH BANVEL. Richard W. Fields 233
CONTROL OF BRUSH BY GRASSING OF TRANSMISSION RIGHTS-OF-WAY. Robert H.Leith, Jr 234
GRASS INHIBITION STUDIES WITH MALEIC HYDRAZIDE. J. B. Will, W. E.
Chappell, and J. S. Coartney 236
"INVERT EMULSIONS" "VERSITILITY AND PRECISION". Wm. Lamar Hussey 239
SOIL STERILIZATION WORK ALONG MISSISSIPPI HIGHWAYS. John L. Snuggs 244
CONTROL OF BRUSH WITH A NEW GROWTH REGULATOR. A. W. Welch, M. B. Weed,C. W. Bingeman 245GLYPHOSATE CONTROL OF RAILROAD RIGHTS-OF-WAY VEGETATION IN THE SOUTHEAST.
0. N. Andrews, Jr., R. C. Billman, and F. D. Timmons 251
BRUSH CONTROL STUDIES IN RIGHTS-OF-WAY. W. E. Chappell and Joe B. Will 259
TEBUTHIURON, A NEW HERBICIDE FOR TOTAL VEGETATION CONTROL. D. H. Lade,J. L. Barrentine, L. D. Dohner, C. D. Hobbs, J. A. Keaton, J. L. Pafford,
J. C. Walker and J. H. Watson 266
DEVELOPMENTS IN THE VISKO-RHAP SYSTEM OF DRIFT CONTROL. V. David Perron....270
PROBLEMS ENCOUNTERED BY ADDING FOAMING AGENTS TO PESTICIDE SPRAYS.Frank Black 273
SECTION V - AQUATIC WEEDS AND SPECIAL WEED PROBLEMS
ASPECTS OF ALLIGATORWEED IN THE MISSISSIPPI VALLEY. P. C. Quimby, Jr.and G. B. Vogt 280
HERBICIDAL RESPONSE OF ALLIGATORWEED IN RICE. D. P. Viator and J. A.Foret 281
AN INTEGRATED PROGRAM FOR ALLIGATORWEED CONTROL IN RICE IRRIGATION CANALS.J. A. Foret 282
CONTROL OF TERRESTRIAL AND ROOTED EMERSED ALLIGATORWEED. Robert Blackburnand Wiley Durden 283
METHODS AND HERBICIDES USED FOR AQUATIC WEED CONTROL IN SMALL IMPOUNDMENTS INGOERGIA. W. Wayne Thomaston 284
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EVALUATION OF HERBICIDES FOR CONTROL OF AQUATIC WEEDS IN LAKE MARTIN.Stephen J. Langlinais 288
CHEMICAL CONTROL OF HYDRILLA VERTICILLATA. Robert D. Blackburn, ElroyTimmer, and Richard Elliston 289
A STUDY OF COPPER COMPLEXES FOR CONTROL OF HYDRILLA VERTICILLATA. M.Douglas Meyers and Graham A. Stoner .•••• 290
HERBICIDES FOR VEGETATION MANAGEMENT IN RESTORING DREDGE ISLANDS AS NESTING,SITES FOR COASTAL NESTING BIRDS. A. D. Worsham, R. F. Soots, and J. F.Parnell 298
THE VISKO RHAP SPRAY SYSTEM. Charles L. Hargrove 299
IMPROVED APPLICATION TECHNIQUES FOR AQUATIC HERBICIDES. Gordon Baker,
Leslie E. Bitting, Porter A. Lambert, Wm. D. Hogan and W. L. McClintock 304
THE USE OF FOAM FOR DRIFT CONTROL. Gordon Baker 306
HYDOUT, AN IMPROVED FORMULATION FOR AQUATIC WEED CONTROL. William W. Mixon.307
SUBMERGED CONTROL OF AQUATICS BY USE OF THE BIFLUID-INVERT SYSTEM.Robert J. Gates 310AQUATIC WEED CONTROL IN LARGE IRRIGATION AND DRAINAGE CANALS. Ray A.Sprinock 314
AQUATIC WEED SUCCESSION IN LAKE EOLA, ORLANDO, FLORIDA. C. W. Sheffield,R. T. Kaleel, R. Alt .' 317
SECTION VI - ECOLOGICAL, PHYSIOLOGICAL AND EDAPHIC ASPECTSOF WEED CONTROL
PERSISTENCE OF DINITROANILINES ON TOE SOIL SURFACE. J. M. Kennedy andR. E. Talbert 321
SOIL DISSIPATION OF PROFLURALIN. T. R. Harger, C. E. Rieck and T. H.Wright 322
INFLUENCE OF SOIL MOISTURE AND RAINFALL INTENSITY ON FLUOMETURONMOVEMENT ACROSS THE SOIL. Ford Baldwin, P. W. Santelmann, and J. M.Davidson s 323
VERTICAL FLUOMETURON MOVEMENT IN RUNOFF STUDIES IN THE SOUTHERN REGION.T. F. Peeper and J. B. Weber ...324
INFLUENCE OF IRON HYDROUS OXIDES ON THE ADSORPTION-DESORPTION OF SELECTEDHERBICIDES BY SOIL COLLOIDS. R. D. Carringer and J. B. Weber 332
TOLERANCE OF SOYBEANS AND GRAIN SORGHUM TO FLUOMETURON RESIDUES. A. W.Jackson, L. S. Jef fery, and Tom. McCutchen 333
SOIL PERSISTENCE OF MBR 8251. D. A. McCall and P. W. Santelmann 334
ADSORPTION AND MOVEMENT OF LOW MOLECULAR WEIGHT HYDROCARBON GASES IN SOIL.W. W. Witt, J. B. Weber, and A. D. Worsham 335
SITE OF UPTAKE AND MOBILITY OF NAPROPAMIDE. C. H. Wu, Normie Buehring,and P. W. Santelmann 336
EFFECTS OF REPEATED HERBICIDE APPLICATIONS ON WEED-SEED IN SOIL. JohnW. Everest and Donald E. Davis 337
PERSISTENCE OF CHLORO-S-TRIAZINE HERBICIDES AS INFLUENCED BY TILLAGE.C. H. Slack and C. E. Rieck 338
INFLUENCE OF SOIL PROPERTIES ON SOIL PERSISTENCE OF DIPROPETRYN. D. S.Murray, P. W. Santelmann, and J. M. Davidson 339
DISTANCE OF INFLUENCE OF COMMON COCKLEBUR ON SOYBEANS. A. R. James, L. R.Oliver and R. E. Talbert 340
SPURRED ANODA COMPETITION IN SOYBEAN AND COTTON. W. M. Lambert and L. R.Oliver 341
GERMINATION AND EMERGENCE OF SPURRED ANODA. Francisco Solano, J. W.Schrader, and H. D. Coble 342
USE OF PLANT WATER POTENTIAL FOR PREDICTING PLANT RESPONSE TO 2,4,5-T.G. L. Cramer and J. F. Stritzke 343
TEMPERATURE AND HERBICIDE INDUCED SOYBEAN INJURY. W. Maksymowicz,C. E. Rieck and D. B. Egli 344
FACTORS AFFECTING THE PHYTOTOXICITY OF A MICROWAVE FIELD. Thomas L. Whatley,J. R. Way land, and M. G. Merkle 344
FLUOMETURON EFFECTS ON SALT MARSH ECOSYSTEM: PRELIMINARY RESULTS. JohnD. Allen and Donald E. Davis 345
BEHAVIOR OF BAS-392-H IN PLANTS AND IN SOIL. John L. Killmer and R.Larry Rogers • 346
METABOLISM OF PROFLURALIN IN PEANUTS. T. H. Wright, C. E. Rieck and T. R.Harger 34 7
THE USE OF PROBIT ANALYSIS IN PLANT RESPONSE CHARACTERIZATION. T. 0. Blytheand R. E. Frans 3 4 8
POLYSOME FORMATION IN RELATION TO SEED DORMANCY OF COMMON PURSLANE, PRICKLYSIDA, AND REDROOT PIGWEED. B. J. Reger, G. H. Egley, C. R. Swanson, and E.W. Smith 356
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HERBICIDE MIXTURES ON CORN OIL QUALITY. R. E. Wilkinson and W. S.Hardcas tie 357
POTENTIAL RAPID BIOASSAY FOR RESPIRATORY INHIBITING HERBICIDES. G. E.Carter, Jr. and N. D. Camper 357
ARYLACYLAMIDASES IN PLANTS RESISTANT AND SUSCEPTIBLE TO PROPANIL.Robert E. Hoagland 358
BIOLOGICAL ACTIVITY OF SEVERAL DINITROANILINE HERBICIDES IN BIOASSAY TESTS.
N. D. Camper and G. E. Carter, Jr 359
MODE OF ACTION OF CGA-10832 and CGA-17482. C. G. P. Pillai and D. E. Davis.360
TRANSLOCATION OF BENTAZON IN 'HILL1 AND 'HURRELBRINK1 SOYBEANS ASAFFECTED BY TEMPERATURE. G. D. Wills and C. G. McWhorter 365FATE OF BENTAZON IN RICE. E. F. Eastin 369
PENETRATION AND TRANSLOCATION OF DESTUN™ HERBICIDE (MBR-8251) IN YELLOWNUTSEDGE, COTTON AND SOYBEAN. R. D. Gruenhagen and Suresh K. Bandal 370
EFFECT OF ORGANIC MATTER AND VOLUME WEIGHT OF NORTH CAROLINA SOILS ONHERBICIDE PERFORMANCE. J. B. Weber, T. J. Monaco, R. D. Carringer, andD. W. Eaddy 371
INFLUENCE OF SOIL PROPERTIES ON THE ADSORPTION AND ACTIVITY OF METRIBUZIN.R. E. Talbert, S. L. Howell and E. M. Rutledge... 378
SICKLEPOD EMERGENCE AS AFFECTED BY SOIL DEPTH AND SOIL TYPE. J. W. Barnes
and J. W. Schrader 379
TALL MORNINGGLORY COMPETITION IN SOYBEAN. L. R. Oliver 385
EXTRACTION OF WATER BY SOYBEAN AND TALL MORNINGGLORY ROOTS. H. D. Scott
and L. R. Oliver 386
PERSISTENCE OF SIX DINITROANILINE HERBICIDES IN SOIL. K. E. Savage 387
2,4,5-T AND FLUOMETURON RESIDUES IN SOIL, SEDIMENT, AND RUNOFF WATER.Glenn G. Davis and Larry S. Jeffery.... 388FIXATION OF ARSENICAL HERBICIDES, PHOSPHATE, AND ARSENATE IN ALLUVIAL SOILS.R. D. Wauchope 3B9PREDICTION EQUATIONS FOR FLUOMETURON RESIDUES IN ETOWAH SILT LOAM.Glenn G. Davis and Larry S. Jeffery..... .....390
SECTION VII - EDUCATIONAL, REGULATORY AND ENVIRONMENTALASPECTS OF WEED CONTROL
NATIONAL TRENDS IN WEED SCIENCE TRAINING. R. P. Upchurch 391
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RESEARCH SUPPORT FOR STAFF AND STUDENTS IN WEED SCIENCE. Dudley T. Smith...395
WEED SCIENCE TEACHING AND SUBJECT MATTER RESOURCES FOR STUDENT TRAINING.Gale A. Buchanan 399
ORIGIN, STRUCTURE, AND SEVERAL YEARS EXPERIENCE WITH A WEED SCIENCECURRICULUM. Woodrow W. Hare 401
WEED SURVEY TECHNIQUES AND THEIR USE. George L. Morris 405
BASAGRAN IN WEED CONTROL SYSTEMS FOR SOYBEANS AND OTHER CROPS. J.' 0.
Pearson, J. T. Thompson and J. W. Daniel 406
SYSTEMS OF WEED CONTROL IN SOYBEANS WITH GLYPHOSATE. Claude W. Derting 407
CONTENT OF UNLAWFUL ACTS AND PENALTIES SECTIONS RELATING TO APPLICATORS INTHE FEDERAL ENVIRONMENTAL PESTICIDE CONTROL ACT OF 1972. James A. Sample...413THE NORTH CAROLINA PESTICIDE LAW OF 1971. Thomas M. Evans 418
LOUISIANA'S RESPONSE TO THE FEDERAL ENVIRONMENTAL PESTICIDE CONTROL ACT OF1972. John Lenard, Jr 421
SECTION VIII - DEVELOPMENTS FROM INDUSTRY
Papers from this section are not printed in the Proceedings.
SECTION IX - APPLICATION OF HERBICIDES
No papers were presented in this section.
PAPERS PRESENTED BUT NOT AVAILABLE FOR INCLUSION IN THE PROCEEDINGS
SECTION IV - HIGHWAY USES OF SOIL STERILANTS. W. G. McCulley, Texas A&M,College Station, Texas
SECTION V - THE TOTAL EFFORT CONCEPT IN NOXIOUS AQUATIC PLANT ERADICATION. L. V.Gerra, Texas Parks and Wildlife Department, Austin, Texas
SECTION VII- A REVIEW OF FEPCA APPLICATION GUIDELINES AND THEIR EFFECT UPONPESTICIDE USE. C. E. Rieck, University of Kentucky, Lexington,Kentucky
PAPERS LISTED IN PROGRAM BUT NOT PRESENTED AT CONFERENCE
SECTION II - GLYPHOSATE FOR WEED CONTROL ON PECANS IN TEXAS. G. R. McEchern,Texas A&M University, College Station, Texas
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SECTION V - STILL WATER LAKE TREATMENTS. W. L. McClintock, EnvironmentalDivision, Winter Park, Florida
A NEW APPROACH TO HERBICIDE APPLICATION. J. R. Buttram, Citrusystems,Ocoee, Florida
SECTION VI - INTERFERENCE OF FALL PANICUM AND PENNSYLVANIA SMARTWEED ON THE GROWTHOF CORN. G. Ambrose, N. C. State- University, Raleigh, N. C.
EFFECTS OF TEMPERATURE ON NUTRIENT UPTAKE BY WATER HYACINTH. D. L.Kirkland and D. E. Davis, Auburn University, Auburn,AAlabama
MISCELLANEOUS
MINUTES OF THE BUSINESS MEETING hZ3
LIST OF REGISTRANTS UhP
LIST OF SUSTAINING MEMBERS U6l
AUTHOR INDEX U6U
CHEMICAL INDEX 1*67
WEED INDEX „ U72
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