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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