1999

PROCEEDINGS

BELTWIDE

COTTON

CONFERENCES

Volume 1 of 2

Volume 1

Volume 2

Cotton Production Conference

Tillage, Nutrition and Soils WorkshopSticky Cotton ProgressNew Developments from IndustryCotton Disease CouncilCotton and Other Organic Dusts Conference

Cotton Economics and Marketing Conference

Cotton Engineering-Systems Conference

Cotton Ginning Conference

Cotton Improvement Conference

Cotton Physiology Conference

Cotton Quality Measurements Conference

Cotton Weed Science Research Conference

• Cotton Insect Research and Control Conference• Cotton Soil Management and Plant Nutrition Conference• Cotton Textile Processing Conference •

• Joint: Engineering/Physiology Conferences• Joint: Engineering/Ginning Conferences

Editorial Coordinators: Paul Dugger, Debbie Richter

RationalW^ottori

UB/TIB Hannover 89

119 799 626

OF AMERICA

Post Office Box 820285 • Memphis, TN 38182 • (901) 274-9030

Table of Contents

Volume 1

AUTHOR INDEXPlease see end of Volume 2

INDEX OF COMMONAND TRADE NAMES FOR CROP PROTECTION COMPOUNDS Please see end of Volume 2

REPRINT ORDERFORMPlease see end ofVolume 2

Beltwide Cotton Production Conference

1998 Year in Review: Weather Extremes Dock Crop, Anne F. Wrona, Randal K. Boman,Robert B. Hutmacher, Michael A. Jones and G. Boyd Padgett 3Food Quality Protection Act's (FQPA's) Impact And Pesticide Availability, William T. Lovelady 12

Marketplace Insights, William B. Dunavant, Jr.13

Tillage, Nutrition and Soils Workshop

Comparison Among Different Types of Spatially Distributed Field Information ofPossible Use in Precision Farming,S.J. Maas, G.J. Fitzgerald and W.R. DeTar

19Economic Evaluation of Variable Rate Nitrogen Application on Cotton, Roland K. Roberts,

Burton C. English and S.B Mahajanashetti20

Plant Nutrition and Soil Fertility, M, Wayne Ebelhar20

Using Winter Annual Cover Crops in a Virginia No-Till Cotton Production System Part I. Biomass Production,Percent Ground Cover, and Nitrogen Assimilation, J. B. Daniel, A. O. Abaye, M, M. Alley, C. W. Adcockand J. C, Maitiand

25Winter Annual Cover Crops in a Virginia No-Till Cotton Production System Part II. Cover and Tillage Effects

on Soil Moisture, Cotton Yield, and Cotton Quality, J. B. Daniel, A. O. Abaye, M. M. Alley, C. W. Adcoekand J. C. Maitiand

25Foliar Fertilization, Derrick Oosterhuis

26Environmental Considerations for Cotton Fertilization, J.C. Silvertooth andE.R. Norton 29Spatial Break-Even Analysis of Variable Rate Potassium Application Technology on Cotton: an Application on a

Soybean-Cotton Field in Western Tennessee, Burton C. English, Roland K. Roberts, David Sleighand S.B. Mahajanashetti 31

Cotton Conservation Tillage Studies in Arkansas, J.S. McConnell and R.C. Kirst, Jr. 32The Effects ofWinter Cover Crops on Cotton Yield and Soil Fertility After 40 Years, E. P. Millhollon andA. D. Braud 33

Sticky Cotton Progress

Cotton Aphid Management - Status and Needs, L. D. Godfrey and J. F. Leser 37Whitefly Management in Arizona Cotton - Status and Needs, Peter C. Ellsworth 41Dynamics of Resistance to Novel Insecticides in Whiteflies, /. Denholm, T.J. Dennehy andA.R. Horowitz 44Sugar Composition of Cotton Aphid and SilverleafWhitefly Honeydews, D. L. Hendrix 47Bemisia Whiteflies, Sticky Cotton and Sticky Cotton Sampling, T. J. Henneberry andS. E. Naranjo 51Prospects for Rapid Measurement of Stickiness in Cotton, M. Dean Ethridge and Eric F. Hequet 56

New Developments from Industry

DP 388 and DP 675, Deltapine Seed's New Conventional Varieties, D. L Keim and L. P. Burden 63New Early-Maturing Transgenic Varieties from Sure-Grow: SG125B/R, SG125R, SG501B/R, SG585B, and SG585R, Ken E. Lege ...

64PSC 57 Pima, the New Yield Leader for the San Joaquin Valley, John C. Palmer, John W. Pellow,

H. B. Cooper, Jr., Joel F. Mahill and David M. Anderson 66DP 6211 ACALA, DP HTO Pima and DP WhitePima - New Varieties for the San Joaquin Valley and the Pima Belt,

Deborah J. Selfridge, James M. Olvey, Dora Bustos, Stella Ortiz, Frank H. Olvey and Kerry T. Webster 67PM 1215 BG/RR, PM 1218 BG/RR, and PM 1560 BG/RR; New Cotton Varieties, David W. Albers and Curtis Williams 68Sure-Grow 747, a New Early-Maturing Picker Variety, K.E. Lege' 69

Super Start, SUL-15, GS-48, and GS-70. Plant Growth Regulators Carried with Foliar Fertilizersfor Cotton Production, Barry Aycock 71

Steward®- a New Broad Spectrum Insect Control Agent from Dupont, Walt Mitchell 73Terraclor 15G a New High Concentrate Granular In-Furrow Fungicide, A. W. Mitlehner 74

New Developments from Industry, continued

Dyne-Amic with Tracer for Cotton Insect Control, James M. Thomas, III and Robert E. Mack 75

Hel-ID: aTool for Bollworm and Budworm Management, C. L. Sutula, W. W. Bryan and J. Xia 77

Securalink -G Closed Transfer System, John Backscheider 79

Redball® Lay-By Hooded Sprayer, Steve Claussen 80

Copper Ionization on Airboom Sprayers, Dale Schaal 81

The Lummus Sentinel Lint Cleaner, R. D. Rutherford, D. W. Van Doom and M. D. Cory 81

Cotton Disease Council

Minutes of the 1998 Cotton Disease Council Business Meeeting, January 6, 1999 Orlando, FL, Patrick D. Colyer 89

Report of the Educational and Public Relations Committee, K. M. El-Zik 89

Cotton Disease Loss Estimate Committee Report, Don Blasingame and Mukund V. Patel 90

Report of the Cottonseed Treatment Committee for 1998, C.S. Rothrock 92

Report of the Soil Fungicide Committee, G. L Scuimbato 96

Report of the Nematode Management Committee - 1999, J. D. Mueller 99

Report of the Vcrlicillium Wilt and Fusarium Wilt Committee-1998, Peggy M. Thaxton 99

Reniform Nematode- an Introduction, C. Overstreet 100

Managing the Reniform Nematode with Nematicides, G. W. Lawrence and K, S. McLean 100

Crop Rotation for Managing Reniform Nematodes in Cotton, William S. Gazaway 101

Resistance to the Reniform Nematode (Rotylenchulus Reniformis) in Upland Cotton, A. F. Robinson 101

Populations of the Reniform Nematode, Rotylenchulus Reniformis: Differences in Their Reproduction

and Pathogenicity on Cotton, E. C. McGawley, C. Overstreert and A. Dominguez 101

Reniform Nematode - Overall Management, J. D. Mueller 102

Efficacy of Biological Agents as Seed Treatments for Cotton Stand Establishment, W. E. Batson, Jr.,

J. Caceres, Michael Benson, Phillip M. Brannen, Marc A. Cubeta, Kenneth Conway, M. L. Elliott,

Julius Fajardo, D. M. Huber, Anthony P. Keinath, Melvin Newman, Bonnie Ownley, Craig S. Rothrock,

Raymond W. Schneider, C. E. Molsenbocker, Donald R. Sumner and Peggy Thaxton 103

Biological and Chemical Control of Cotton Seedling Disease in Alabama, J. E. Fajardo, W. S. Gazaway,

B. E. Norris, Jr. and L. W. Wells 104

Transfer of Heat Tolerance and Other Characteristics by Protoplast Fusion in Trichadermu Species, LE. Hanson and C.R. Howell ... 105

The Effect of Pythium Ultimum on Cotton Lines with Partial Pythium Resistance, T. A. Wheeler andJ. R. Gannaway 106

Managing Seedling Diseases Using Post Emergence Fungicides, G.B. Padgett and E. Burris 106

Protegd - a Unique Product for Cottonseed Treatments of the Future in Controlling Rhizoctonia Damping-Off, K.S. Arthur 106

Allegiance-FL: a Cottonseed Treatment for the Control of Pythium Seed and Seedling Blight, J. L Riggs and K. S. Arthur 107

Interaction of Seeding Rate, Seed and In-Furrow Treatment on Cotton Seedling Diseases and Yields, G. L Sciumbato 107

Atoxigenic Strains ofAspergillus Flavus Have Been Applied to Commercial Cotton Fields for Three Years, P. J. Cotty 108

Use of Fumigant Nematicides and a Fungicide to Control Root-Knot (Meloidogyne Incognita) and Black Root

Rot (Thielaviopsis Basicola) on Cotton - a 2 Year Summary, N. R. Walker, C. S. Rothrock and T. L. Kirkpatrick 108

A Four Year Summary of Vydate @ C-LV Foliar Applications for Cotton Nematode Control

in the Mid South and Southeastern U.S., G.G. Uammes, W.H. Mitchell and L.B. Gillham 109

Root-Knot and Reniform Nematode Suppression with Selected Nematicides in Arkansas, Gus Lorenz,

T. L. Kirkpatrick, Cliff Coker, R. T. Robbins and Claude Bonner 109

Post-Emergence Nematicide Applications for Columbia Lance Nematode Management, H.L. Crooks, J.D. Mueller and M.J. Sullivan .110

An Economic Analysis of Telone II (l,3-D)andTemik 15G (Aldicarb) to Manage Reniformnematode

(Rotylenchulus Reniformis) in Cotton, D. Zimet, J.R. Richm, A. LaColla andR.A. Kinloch Ill

Integrated Nematode Control on Cotton in South Africa: Present Status, M. S. Botha-Greeff and E. R. van Bitjon 112

Plant Parasitic Nematodes Associated with Cotton Production in the Ouachita Delta and Macon Ridge

Areas of Louisiana, K. S. McLean, G. W. Lawrence andR. Prince 117

Agrobacterium Bronzing and Wilt: Cultivar Reactions and Effects of Temperature, Alois A. Bell 117

Determination and Control of Cotton Black Root, Richard Baird, Forrest Connelly, James Clark and Johnny Whiddon 121

Reniform Nematode Resistance Ratings for 288 Soybean Cullivars to Help Select Rotational Crops

for Reniform Infested Fields, R. T. Robbins, L. Rakes and L, Jackson 121

Development of Economically Feasible Approaches to Selectively Sample and Control Cotton Nematodes in Georgia,Richard Baird and Debbie Waters 121

Ascend 30 - a Broad Spectrum Fungicide Seed Treatment with Activity Against, Fusarium Solani,

J. L. Riggs and W. G. Uairston 122

Reproduction by Root-Knot and Reniform Nematodes on Transgenic Cotton Cultivars Grown Commercially in 1998,

A. F. Robinson and A. C. Bridges 122

Nematodc/Pest Workshop: What Is an Interaction?, N. R. Walker and C, S. Rothrock 124

Cotton and Other Organic Dusts Conference

Bioaerosol Assessment: an Overview of the ACGIH Guidelines for Assessing Bioaerosols, Robert R. Jacobs 129

Second Collection of Uniform, Card Generated, Vertically Elutriated Dust for Interlaboratory Comparisonof Dust Endotoxin Assays, D.T. Chun, R.E. Harrison and V. Chew 129

A Quick Summary of the Highlights of Parts 1 and 2 of the First Round Robin Endotoxin Assay Studyand a Brief Preview of the Next Round, D.T. Chun 132

Physical Characteristics of Particulate Matter and Health Effects Standards, C. B. Parnell, Jr., B. W. Shaw,P. J. Wakelyn and B. W. Auvermann 139

Comparison of Dust Sampling in the Personal Breathing Zone with Area Sampling Using the Vertical Elutriator

in Lancashire Spinning Mills, S.N. Raza, A.M. Fletcher, C.A. Cpickering, L.A. Oldham, H.C. Francis,G.D. Fletcher and R. Mel Niven 144

The Evaluation of Aerosol Sampling and Analytical Methods for Aerosol Concentrations of Man-Made Organic Fibers,D.B. Warheit, M.A. Hartsky, K.L. Reed and G.L. Kennedy, Jr. 147

Mechanisms by which Fibers Cause Pathology, Val Vallyathan and Vince Castranova 148

Human Health and Cellulose Dust Exposure, G.M. Adamson 151

National Toxicology Program Studies of Cellulose Insulation, Daniel L. Morgan, Cynthia S. Smith, Yin-Fong Su,

Jeffrey A. Dill and R. Bruce Westerberg 153

Workplace Exposure Assessment of Cellulose Insulation Applicators, R. E. McCleery 156

Pulmonary Toxicity Studies of Synthetic Organic Fibers: Para-Aramid RFP and Cellulose Respirable Fibers,

D.B. Warheit and M.A. Hartsky 157

On the Nature of Dust Exposure Associated with Nylon Flocking, William Jones, Chris Piacitelli and Joseph Burkhart 158

Occupational Respiratory Disease in Nylon Flock Workers, Robert M. Castellan, William L. Eschenbacher,

Feroza Daroowalla and Kathleen Kreiss 158

Acute Response of Rats to Intratracheal Instillation of Airborne Dust Collected at a Nylon Flocking Plant,

Vincent Castranova, Dale Porter, Ann F. Hubbs, Travis Goldsmith, Michael Whitmer, VictorA. Robinson,

Diane Schwegler-Berry, Lori Battelli, Rita Washko, Joe Burkhart, Chris Piacitelli, Robert R. Mercer,

James Scabilloni and William Jones 164

Lung Function Decline in Lancashire Textile Workers. A Provisional Analysis of a Five Year Longitudinal Study,

A. M. Fletcher, R. Mel. Niven, C. A. C. Pickering, E. Faragher, C. J. Warburton, H, Francis, L. A. Oldham,

D. Fishwick and J. C. G. Simpson 166

Evaluation of the Effects of 12 Hour Workshifls on the Pulmonary Function of Cotton Textile Workers, Robert R. Jacobs

and Brian Boehlecke 170

Followup Study of Respiratory Symptoms, Ventilatory Function and Personal Breathing Zone Dust Levels in Lancashire

Textile Weavers, S.N. Raza, L.A. Oldham, C.A.C. Pickering, G.D. Fletcher, H.C. Francis, A.M. Fletcher and R. Mel Niven. 172

Agricultural Safety and Health: A National Program Perspective, S. A. Olenchock 174

Receptor Binding of Fungal Cell Wall (l-3)-P-D-Glucan to Human Macrophage and Neutrophil Cell Lines,

David L. Williams, Antje Mueller, John Raptis, Peter Rice and John Kalbfleisch 176

Observation of a Partially-Opened Triple-Helix Conformation in 1 -3-p-Glucan by Fluorescence Resonance Energy

Transfer Spectroscopy, Shih-Houng Young, Robert R. Jacobs and Wen-Ji Dong 180

Cell Wall Constituents and Enzyme Activities in Cotton Dust, Allen K. Murray 184

An Investigation into the Effect of Lipopolysaccharide and (l->3)-P-D-GIucan Either in Combination or Separately

on the Degranulation of Mast Cells Isolated from the Guinea Pig Lung and the Rat Peritoneal Cavity,

C.J. Gregory and P.J. Nicholls 185

The Effect of (1 -3)-p-D-Glucan from Bakers Yeast on Bronchial Responsiveness and Induction of Inflammation

in the Guinea Pig Airway, R.S. Young and P.J. Nicholls 190

The Effect of (1 -3)-p-D-Glucan on the Arachidonic Acid Cascade in Guinea Pig Isolated Trachea and Perfused Lung,

A. Jones and P.J. Nicholls 192

Characterization of Organic Dusts from the Tobacco Industry, E. Schachter, E. Zuskin, N. Rienzi,, S.K. Goswami,

Vincent Castranova, Michael Whitmer, Paul Siegel and Haresh Singh 195

The Effect ofSmoking on Cytokine Release after Exposure to Organic Dust Components in a Whole Blood Assay,

T. Sigsgaard, E. van der Maarl, N. Bak, EC. Bonefeld-Jprgensen, 0. Omland and G. Doekes 197

The Wrecking of the Wrapping: the Airway Epithelium, a Prime Target for Inhaled Organic Dusts, P.J. Nicholls 200

Molds, Agents and Disease, Ragnar Rylander 202

The Role Arachidonic Acid Metabolites in the Response of Guinea Pig Lung and Dermal Vasculature to Extracts

of Cotton Dust, N.A. El-Mahdy, M.A.A. Nasra, W.M. Awara, T.A. ElMasry and P.J. Nicholls 206

Cotton Economics and Marketing Conference

Washington Update, Wayne Bjorlie215

Forecasting U.S. Cotton Production, Fred A. Vogel 217

Cotton Economics and Marketing Conference, continued

The U.S. and World Cotton Outlook, Carol Skelly 220

Global Outlook for ELS Cotton Consumption, Matthew S. Laughlin 222

International Cotton Flows: Changing Structure and Prospects for the Future,

Olga Isengildina, O.A. Cleveland and Cary W. Herndon 227

Process Technology and Markets of Eco-Labelled Cotton Products, Marion Tobler 232

Cost and Return Comparisons of Roundup Ready and Boligard Cotton Varieties,

K.J. Bryant, C.T. Allen, KM. BourlandandL.D. Earnest 236

the Effect of Expected Price on the Management ofCotton Production,

John R. C. Robinson, Fred T. Cooke, Jr. and D. W. Parvin, Jr. 238

A Cluster Analysis Approach to Identifying Shifts in U.S. Cotton Production, G. A. Mumma and D. Hudson 240

Cotton Consumption and the Financial Crisis in Asia, Carlos Alberto Valderrama Becerra 244

Economic Feasibility of Variable Rate Application Systems for Cotton, L. A. Ribera and J. A. Landivar 247

Financial Viability and Profitability ofCotton Farms in the Texas High Plains Region

After the Fair Act of 1996, Kent Durham and Phillip Johnson 248

Comparative Analysis of Producing Transgenic Cotton Varieties

Versus No Transgenic Variety in Delicias, Chihuahua, Mexico, Jose Eduardo Magafla Magafia,Juvencio Gonzalez Garcia, Arturo J. Obando Rodriguez and Jesus Miguel Olivas Garcia 255

Cotton Quality Price Differentials From Textile Mills' Perspective: an Update, Kalyan Chakraborty and Don Ethridge 256

The Effect of Fiber, Yarn, and Fabric Prices on Mill Cotton Fiber Consumption, V.S. Plassmann and E. Jones 259

Perceptions of the Fair Act from Northeast Arkansas: Implications for Cotton, Julienne Pollard Penter and Darren Hudson 268

Foreign Import Demand for Cotton, Stephen MacDonald 272

Quality of the 1998 Crop, Mack Bennett 274

Cotton Price Interdependence in the Developed and Developing Countries, Jian Yang and David J. Leatham 284

Analyzing the Expansions Abilities of Mid-Sized Farms in Texas Southern High Plains, DeDe Beaty and Phillip Johnson 286

The Association Between Nearby Cotton Futures Price and Net Bale Commitments of Speculative Traders,

Avuthu R. Reddy, Carl G. Anderson, David A. Bessler and Carl E. Shafer 294

Economic Evaluation of Insecticide Termination by Cotman, Kelly J. Bryant,Diana M. Danforth, Mark J. Cochran, Ray Benson and Mi Sha 298

Spatial Utilization of Phosphorus: Implications for Precision Agriculture Practices,

Man Yu, Eduardo Segarra and Douglas Nesmith 299

Factors Effecting Regional Cotton Acreage Shifts, Steven W. Martin, Darren Hudson and Gerald Mumma 302

Developments and Outlook for Cotton in Francophone West Africa, Andrew Levin 304

Results of Extension Recommendations and Integration of New Technologies

into Tennessee Cotton Verification Trials, Chuck Danehower 309

Maximizing Net Producer Returns to Gin Lint Cleaning, Jeannie Nelson, Sukant K. Misra and Blake K. Bennett 310

The Effects of Raw Fiber Prices on Mill and Retail Demand, D. McLaren 315

Economic Analysis of Ultra-Narrow-Row Cotton Production in the Coastal Plain Region of Georgia,S, Gibbs Wilson, W. Don Shurley, Craig Bednarz and Michael J. Bader 317

Analysis of Factors Influencing Farmers' Willingness to Participate in the Tennessee

Boll Weevil Eradication Program, J. A. Larson, R. L. Collins, R. K. Roberts and B. C. English 320

Structural Changes to Consider in the Valuation of Boll Weevil Eradication Programs, John R. C. Robinson and Oscar Vergara 321

Adoption of Advanced Irrigation Technology: Lepa Vs. Drip in The Texas High Plains, E. Segarra, L. Almas and J. Bordovsky .... 324

Price Volatility in Cotton, Darren Hudson and Keith Coble 328

An Analysis of the Cottonseed Pricing Structure in Texas, Jane A. Bondurant and Sukant K. Misra 334

Modeling of U.S. Men's Apparel Consumption Trends and Its Implicationon Textil Mill Cotton Consumption, Moon W. Suh and Eun-Kyung Lee 339

Whole Farm Analysis of Continuous Cotton Versus a Cotton/Corn Rotation: an Introduction, D. W. Parvin and F. T. Cooke 343

An Estimated 1998 Texas-Oklahoma Pre-Season Price Schedule Based on Market History,Kevin Hoelscher, Sukant Misra and Don Ethridge 346

Economic Comparisons Between Ecologically-Based &, Traditional Cotton Pest Management Systems,

C.R. Stark, Jr., K.J. Bryant, J.R. Ruberson and S.C. Phatak and W.J. Lewis 348

Economic Evaluation of Boligard Cotton in Arkansas, K. J. Bryant, W. C. Robertson and G. M. Lorenz, III 349

Texas-Oklahoma Producer Cotton Market Summary: 1997/98, Kevin Hoelscher, Don Ethridge and Sukant Misra 350

An Economic Analysis of Nitrogen Levels and Rotation Systems in Cotton,D. Timet, D.L. Wright, F.M. Rhoads and P.J. Wiatrak 354

Technology, Management Practices and Costs of Cotton Production, Nora Brooks,

355

Cotton Engineering-SystemsConference

Cotton Yield Monitor Evaluation, South Carolina - Year 2, F.J. Wolak, A. Khalilian, R.B. Dodd, Y. J. Han,M. Keshkin, R.M. Lippert and W. Hair

361Field Testing of Cotton Yield Monitors, G.F. Sassenrath-Cole, S.J. Thomson, J. R. Williford, K.B. Hood,

J. A. Thomasson, J. Williams and D. Woodard 354Preliminary Evaluation of Commercial Cotton Yield Monitors: the 1998 Season in South Georgia, /. S. Durrence,

D. L. Thomas, C. D. Perry and G. Vellidis 366WinPET Irrigation Software, S. Hicks, R. Lascano and S. Orr 372Evaluation of Irrigation Interval on High Plains Cotton Production With LEPA Systems, James P. Bordovsky and William M. Lyle .. 372Drip vs. Furrow Irrigation ofCotton on Sandy Soil with 1/4 Mile Runs - Includes: Yield Monitoring, Remote Sensing,

and Electronic Soil Survey, W.R. DeTar, S.J. Maas and G.J. Fitzgerald 375Cotton Response to Abrupt Change in Water Application, D. F. Wanjura and D. R. Upchurch 380The Effects of Tillage and Tape Depth Placement in Drip Irrigation System, A. Khalilian, M. J. Sullivan,

R. R. Hallman and W.B. Smith 384Cotton Tillage Trials - Terrell County Georgia Stale Bed Planting, E. H. Wilson, M. Bader, T. Trice and P. Roberts 387Effects of Lowering Aerial Spray Boom on Spray Drift and Swath Width, W. C. Hoffmann and H. H. Tom 388

Spray Droplet Penetration in Cotton Canopy Using Air-assisted and Hydraulic Sprayers, H.R. Sumner and G.A. Herzog 390Virtual Cotons, the Firstborn of the Next Generation of Simulation Model, E. Jallas, R. Sequeira, P. Martin,

M. Cretenet, S. Turner and J. McKinion 393

Integrating GIS into Precision Crop Management, D.C. Akins, J.L. Willers, J.M. McKinion, S.B. Turner,F.D. Whisler and J. Varco '

395

Computerized System in Cotton Harvester for Measurement of Seedcotton Yield, C.J. Fernandez 399

Cotton Ginning Conference

What's New From Lummus Corporation -1999, R. D. Rutherford and J. W. Thomas 405

Continental's Vertical Flow Drier and Replaceable Insert Rib, Jonathan L. Hackett 406

Cotton Gin Technology and Consolidated, Russell M. Sutton 409

Steamroller Lint Conditioner and Electric Banjo, Neil Turner and Samuel Jackson 410

Overview of UNRC Situation from a Ginner's Perspective, William Mayfield 414

Bale Packaging Materials and Standards, Shay L. Simpson 416

Third in an Annual Series My Gin Management Philosophy, Sid Brough 418

Cost of Ginning Cotton, William Mayfield, Herbert Willcutt, Kelley Green, Lee Todd, Roger Isom andDusty Findley 419

Status of EPA and OSHA Regulations Affecting Cotton Gins, P.J. Wakelyn 429

Cotton Improvement Conference

Update of the Cotton Genome Mapping, John Yu and Russell J. Kohel 439

Addition of New Markers to the Trispecific Cotton Map, M. AltafKhan, G. O. Myers,J. McD. Stewart, J. Zhang and R. G. Cantrell 439

Segregation for Gus Gene in Transgenic Cotton, Carmen McCutcheon and O.L. May 439

Pollination Studies after Transgeneic Production - a Search for Recombination in Nectariless Genotype,Claude Rhyne and William L. Tietjen, Jr. 442

Analysis of Gossypol and Related Terpenoids in Antisense Transgenic Cotton Plants, K. S. Rathore and R. D. Stipanovic 445

Analysis of Transgenic Cotton and Tobacco Expressing Lytic Peptide Genes, Jeffrey W. Cary, Kanniah Rajasekaran,Kurt Stromberg and Thomas E. Cleveland 445

A Novel Nonheme Haloperoxidase Gene for Disease Resistance in Transgenic Cotton and Tobacco, Kanniah Rajasekaran,

Jeffrey W. Cary, Thomas J. Jacks, Thomas E. Cleveland and Kurt Stromberg 446

Oviposition, Growth, and Development of Sweet Potato Whitefly, Bemesia Tabaci (Genn)

(Homoptera: Aleyrodidae) on Transgenic Tobacco, T.Y. Li, M. Harris, C. Nessler, J. Gould and W. Smith 446

Analysis of Semigamy Expression in Cotton (Gossypium Barbadense), Zhang Jinfa, James McD. Stewart and R. B. Turley 446

Introgression of PIMA into Upland, L.I. Decanini, CW. Smith, A.H. Paterson and C.X. Jiang 447

Allelic and Linkage Analyses of the CMS-D8 Restorer Gene of Cotton, James McD. Stewart, Jinfa Zhang and Gwen Coyle 447

Molecular Mapping of CMS-D8 Restoration and Gene Expression Specific to D8 Restoration, Jinfa Zhang,

James McD. Stewart and Rickie B. Turley 448

Genetic Association among Yield and Fruiting Traits in F2Hybrid Cotton, Russell W. Hayes,

Johnie N. Jenkins and Jack C. McCarty 448

Hybrids Produced Very Economically with Transgenic Cotton, J. B. Weaver, Jr 448

Progress Report on Hybrid Cotton, R. F. Holland and C. G. Cook 450

Cross-Pollination in Cotton Winter Nurseries, Bruce E. Greenhagen and Laval M. Verhalen 453

Cotton Improvement Conference, continued

Long Term Study of Cross-Pollination in Oklahoma Cotton, Laval M. Verhalen, Bruce E. Greenhagen and J. W. Simmons 453

Costs of Producing Cotton in the World, M. Raflq Chaudhry 454

U. S. Upland Cotton: Beltwide and Mid South Yield Trends, 1960 - 1998, Hal Lewis Enterprises and Preston Sasser 458

Effects of 1998 Drought on Lint Development in Seven Genotypes at College Station, Texas,

Chris Braden and C. W. Smith 462

Generation Mean Analysis of Fiber Quality Traits, A. Tawhid and G.O. Myers 462

Sampling Issues for Cotman Data Collection, Mark Cochran, Kieth Vodrazka, N. P. Tugwell, Diana Danforth and Sha Mi 463

Agronomic Information System: a Program for Managing Cotton Variety Trials, L J. Zelinski, D. Harmon, M. Bates,

K. Lege, D. Albers and K. Alexander 464

Performance of Early-maturing Transgenic Varieties in the Southeast, W.H. McCoy, S.G. Wilson and K.E. Lege' 464

Deltapine Boligard and Roundup-Ready Cotton Varietal Response in Israel, J. Spense, G. Forer, A. Nir, B. Rubin,

H. Yasour, A. Levi and M. Sibony 465

Evaluation of Transgenic Versus Conventional Varieties, D. Eddie McGriffand Steve M. Brown 466

Performance of Early Conventional Strains in the Coastal Region of Texas, James C. Bosch, Ken E. Lege' and Bob Bridge 468

Commercial Performance of Fibermax Varieties - 1998, L. Rivenbark, R. Bettison, F. Strachan and Jane Dever 468

Agronomic Trial Results on Fibermax Varieties-1998, T. Lane Smith, W. Fred Strachan,

Phil Odom, Lee Rivenbark and Jane Dever 469

Genetic Diversity in Recent MAR Cotton Germplasm, Kamal M. El-Zik and Peggy M. Thaxton 469

Superior New MAR Cotton Germplasm For Drought, Productivity and Quality, Peggy M. Thaxton and Kamal M. El-Zik 470

Release of DES 607 and Licensing of H10-35-05, J. B. Creech, R. R. Bridge and D. S. Calhoun 472

"Bronze Wilt" in the 1998 Mississippi Cotton Variety Trials, J. B. Creech 472

Effects of Mechanical Topping of Cotton When Timed by Cutout, G. M. Palmer, F. M. Bourland and N.R. Benson 473

Comparative Performance of Breeding Lines in Australia and the Delta, W. N. Stiller and J. J. Gwyn 473

Combining Ability for Yield and Earliness of PIMA X Egyptian Cotton Cultivars Crosses, A. M. A. Abdalla,

A. A. Abou-El-Zahab and S. R. H. Radwan 473

Deltapine Seed Ultra Narrow Row Cotton Evaluation of DP 425RR, DP 436RR, DP54I5RR, DP 458B/RR

and DP 5111 in Mississippi, Jim Presley 477

Performance of Deltapine Seed Boligard Cotton Varities in the North Delta, Jim Presley, R. Smith, K. Welch,

L. Dill and Q. Zaunbrecher 478

Performance Summary of Boligard Cotton Varieties Across the South Delta of Arkansas, Louisiana and Mississippi,H. Smith, C. Bowlin, M. Martien, L. Shaw, J. R. Sims, B. Posey, K. Welch and Q. Zaunbrecher 479

Molecular Marker Based Genetic Analysis of QTLS Using Recombinant Inbred Lines in Cotton,H. Tan, J. X. Wu, S. Saha, J. N. Jenkins, J. C. McCarty and R. G. Cantrell 484

DNA Variation in Ten Influential Upland Cotton Varieties by RAPDS, Huangjun Lu and Gerald O. Myers 484

Isolation of Total RNA from Embryogenic and Non-Embryogenic Cotton Callus for Gene Expression Studies,

M. AltafKhan, G. O. Myers, H. J. Kim and B. A. Triplet! 484

Characterization of 79 Converted Race Stocks of Upland Cotton, Zeki Nasirci and C. Wayne Smith 485

Variation among Cotton Cultivars for the Number of Fiber Initials Per Seed, G.A. Van Esbroeck, D.T. Bowman,

J. Van't Hof, G. M. Jividen 487

Breeding Naturally Pigmented Cotton with High Fiber Quality, Robert G. McDaniel 487

Development of Stress Tolerant Upland Cotton Germplasm with High Quality Fiber, Robert G. McDaniel 487

Genetic Improvement of Yield, Yield Components, and Agronomic Characteristics of PIMA Cotton: 1949-1991,

H. S. Moser and R. G. Percy 488

Silverleaf Whitefly and Reniform Nematode Effects on Seed Quality and Stand Establishment,

C. G. Cook, A. F. Robinson and D. A. Wolfenbarger 489

Response of Cotton Cultivars to Silverleaf Whitefly and its Relation to Yield, in Yaqui Valley Sonora, Mexico,

Arturo Herndndez-Jasso and Juan J. Pacheco-Covarrubias , 490

Median Life of Siverleaf Whitefly in Cotton Cultivars, Juan Jost Pacheco-Covarrubias andArturo Herndndez-Jasso 491

Response of Cotton to DROPP® Ultra in Yaqui Valley Sonora, Mdxico, Arturo Herndndez-Jasso and Javier GutMrrez-Zamordn 492

Effects ofGlyphosate on Yield and Earliness of Roundup Ready"" Cotton, A. S. Godoy, A. L E. Moreno and C. E. A. Garcia 493

Response of Nucotn 33B in Yaqui Valley Sonora, Mexico. 1997-98, Arturo Herndndez-Jasso and Juan J. Pacheco-Covarrubias 495

BT Cotton Performance Under Different Management Practices, 7'. G. league, A. Beach, N. P. Tugwell and J. Hornbeck 497

1998 Mississippi Cotton Variety Trials, J. B. Creech, T. P. Wallace, J. R. Johnson, D. M. Ingra and N. W. Buehring 499

New Crop for Pennsylvania: GossypiumHmsuwM L. Research for Improved Fiber Strength, Shortened Growing Season,and Increase Wax Content, P. S. Leonhard 499

The Influence of VIR Genes on Stable T-DNA Integration in Cotton Shoot Apices, B.-M. Lee, S.H. Park,

M. Srivatanakul and R.H. Smith 500

CIRAD Strategy for Cotton Breeding in Tropical Countries, B. Hau and C. Pannetier 502

Cotton Physiology Conference

Growth of Cotton Leaves and Bracts and Their Carbon Contribution to Developing Squares,Duli Zhao and Derrick Oosterhuis

505Fiber Development Potential Is Related to Seed Location within a Boll, Boll Location and Boll Load,

G. Davidonis, A. Johnson and K. Hood508

Impact of Drought on High Temperature Protection Systems of Cotton Seedlings, John J. Burke and Bobbie L. McMichael 508Membrane Dynamics During Fiber Development: an Ultrastructural Analysis, Robert W. Seagull,

Mark J Grimson, Trina C. Muehring and Candace H. Haigler 509Expression of a-Tubulin Genes During Cotton Fiber Development, David J. Whittaker and Barbara A. Triplet! 509How Genotype and Temperature Modify Yarn Properties and Dye Uptake, J.M. Bradow and P.J. Bauer 510Modulation of Economically Important Cotton Fiber Properties by Field Spatial Variability,

J.M. Bradow, R.M. Johnson, P.J. Bauer and E.J. Sadler,

512Cell Wall Subunits, "Glue" Matrix and Cotton Fiber Development, Allen K. Murray and Gretchen F. Sassenrath-Cole 515Hormonal Regulation of Fiber Elongation, and the Enzymatic Hydrolysis of Abscisic Acid Conjugate

in Developing Cotton (Gossypium Arboreum L.) Fibres, Bir Singh, C.P. Malik andA.S. Basra 516myo-lnositol, Sucrosyl Oligosaccharide Metabolism and Drought Stress in Developing Cotton Fibers, in Vivo,

in Vitro and in Planta, A. K. Murray, Daniel S. Munk, Jonathan Wroble and Gretchen F. Sassenrath-Cole 518

Agronomic Differences in Growth and Yield Between Bt and Conventional Cotton,S. M. Underbrink, J. A. Landivar and J. T. Cothren 521

Response of Transgenic Cotton to Oxidative Stress, Paxton Payton, A. Scott Holaday, Randy D. Allen and Robert P. Webb 523Compensatory Growth after Early Season Fruit Removal in Cotton,- J.M. Moss and CW. Bednarz 524Evaluation of Variable Rate Pix (Mepiquat Chloride) Application by Soil Type, Mary E. Thurman and Ronnie W. Heiniger 524Mepiquat Chloride Applications with a Canvas Wick, A. M. Stewart, K. L. Edmisten and R. Wells 526Yield Response of BT-Transgenic Cotton to Early Termination of Irrigation, C.J. Fernandez 526

Utilizing Cotman for Defoliation Timing and the Management of Micronaire Values, Dan D. Fromme 529Relationship Between Lint Yields and Selected Plant Mapping Data, Lowell J. Zelinski and Marc Bates 530Effect of Late-Season Fruit Removal on Cotton Yield and Quality: Implications in Insecticide Termination,

D.M. Oosterhuis, C.A. Allen, F.M. Bourland, R.S. Brown and M. Kim 532

Methods for Assessing the Impact of Irrigation on Cotton Crop Development and Boll Shed,T. G. Teague, Earl Vories, N. P. Tugwell and D. M. Danforth 534

Comparative Field and Greenhouse Studies ofTfluralin and Pendimethalin

on Cotton Growth, Development, and Nutrient Uptake, J. A. Gordon and C. J. Green 536

The Effects of DNA Herbicides on Cotton Growth and Development, Wade L. Worley,William H. McCarty, Michael M. Kenty and Christopher T. Leon 539

Harvest Dates and Treatments Affect Stickiness and Sugars in West Texas Cotton Varieties,Steve Hague, Robert Nichols, John Gannaway and Bobby Wyatt 540

Specific Ion Effects on the Induction of Antioxidant Enzymes in Cotton Callus Tissue,D.R. Gossett, B. Bellaire, S. W. Banks, M.C. Lucas, A. Manchandia and E.P. Millhollon 540

Cotton Callus Tissue Transformed with Glutathione Reductase CDNA Derived Frompisum Sativum L. Exhibit

Increased Glutathione Reductase Activity, Stephen W. Banks, Faye E. Gordon, Satyendra N. Rajguru,Tanja J. Minova, Dalton R. Gossett and M. Cran Lucas 542

Gossypol Pathway in Cotton: S-Adenosyl-L-Methionine: Desoxyhemigossypol 6-O-Methyltransferase,Jinggao Liu, R. D. Stipanovic, A.A. Bell and C. R. Benedict 546

Effect of (+)- and (-)-Gossypol in Cottonseed on the Performance of Three-Week-Old Broiler Chickens,R. D. Stipanovic, C. A. Bailey, H. L. Kim, L. F. KubenaandR. Macedo 546

Flowering Responses to Mepiquat Chloride and PGR-IV, Stephen P. Biles, Tom Cothren, Juan Landivar and George Teetes 547

Evaluation of Cotton Height Measurement Techniques, J. H. Stewart, S. W. Searcy and J. A. Landivar 547

Effect of Management Treatment on Cotton Growth, Development and Yield - Three Year Results, Timothy C. Sharp 554

Five Years Experience with Mep Plus Versus PIX, D. W. Parvin 554

Benefits of Crop Monitoring Systems for Evaluating Cotton Plant Growth Regulators, T.C. Sharp 557

Efficacy of Mepiquat Chloride When Foliar Application Is Followed by Precipitation, D. Zhao, D. Oosterhuis and T. Daniel 557

Evaluation of Ultra Narrow Row Cotton in North Carolina, N. Cawley, K. Edminsten, R. Wells and A. Stewart 558

Planting Date and Plant Growth Regulator Influences on Cotton Growth and Yield, T.K. Witten, P.H. Jost and J.T. Cothren 559

Ultra-Narrow Row and Conventionally Spaced Cotton: Growth and Yield Comparisons, Philip H. Jost and J. T. Cothren 559

Drought Tolerance and Foliar Sprays of Glycine Betaine, C.R. Meek, D.M. Oosterhuis andA.T. Steger 559

Evaluation of Chemical and Physical Means ofRemoving Late-Season Cotton Fruit to Improve Yields

and Control Boll Weevils, R.S. Brown, D.M. Oosterhuis and F.M. Bourland 561

Fatly Acid Composition of Lipid Fractions in Germinating Cotton as Affected by Temperature,B. Lauterbach, D.R. Krieg and G. Jividen 564

Cotton Physiology Conference, continued

Light Microscope and Ultrastrucutral Observations of Petiole Abscission in Cotton, Liwei Chen,

Curt M. Peterson and Roland R. Dute 565CGA-248757 (Fluthiacet-Methyl) - Influence of Adjuvants on Cotton Defoliation, H. Ray Smith,

J. Holloway, G. Cloud, W. Bachman and C. Jones 565

Physiological Aspects of Bacillus Cereus on Cotton, D.M. Oosterhuis, D. Zhao andJ.A. Hickey 566

Cotton Harvest-Aid Trials in Arkansas, W.C. Robertson, J. Jones and P. Ballantyne 568

Effects of Prep and Finish on Agronomic Characteristics of Cotton in the Texas High Plains,

Randy Boman, Mark Kelley and Tommy Doederlein 568

Cotton Response to Subsurface Drip Irrigation and Conservation Tillage Methods on Soils

with Compacted Layers, Philip J. Bauer, Carl R. Camp and Warren J. Busscher 569

Water Use and Water Use Efficiency of Cotton Production Systems in West Texas, D.R Krieg 569Cotton Lint Yield and Fiber Quality as a Function of Irrigation Level and Termination Dates in the Texas

High Plains: 1996— 1998, Robert J. Lascano, Stanley K. Hicks and R. Louis Baumhardt 570

Cotton Root and Shoot Growth on a Sharkey Clay Following Early Square Loss, E. M. Holrnan and A. B. Coco 571

A Stochastic Temperature-Based Emergence Model for Cotton, E. Jallas, R. Sequeira,S. Turner, K. E. Gourley, M. Cretenet andJ. McKinion 571

Seedling Vigor Influence on Seasonal Growth and Lint Yield: Two-Year Results,

K.E. Lege', J.C. Bosch, W.H. McCoy and S.G. Wilson 575

Effect of Deep Tillage upon Lint Yield, Fiber Quality and Soil Moisture, LA. Clements and B.J. Phipps 575

Effect of Tillage Upon Lint Yield and Fiber Quality, B.J. Phipps and LA. Clements 576

Effect of Simulated Hail Damage on Cotton Growth and Lint Development, Michael A. Jones 577

Interactive Effects of Atmospheric C02 And Nitrogen Nutrition on Cotton Growth, K. Raja Reddy and Harry F. Hodges 580Ultra Narrow Row Cotton Research in Georgia, C, W. Bednarz, S.M. Brown and M.J. Bader 580Ultra-Narrow Row Cotton Performance Under Drought Conditions, Thomas J, Gerik, Robert G. Lemon and Evelyn M. Steglkh 581A Variable-Rate Chemical Application System for Cotton in South Texas, J.A. Landivar, S. Searcy and J. Stewart 581

Detection of Water Stress in Cotton Using Multispectral Remote Sensing, S.J. Maas,G.J. Fitzgerald, W.R. DeTarandP.J. Pinter, Jr. 584

Cytoplasmic Effects on Photosynthesis and Chlorophyll Content, Jinfa Zhang andJames McD. Stewart 585

Within-Canopy Differences in Cotton Tissue Nitrogen Status and Gas ExchangeAcross Nitrogen Treatments, R.B. Hutmacher, S.S. Vail, M.S. Peters andM. Keeley 586

Effect of Silverleaf Whitefly on Cotton Photosynthesis, T.B. Lin, A. Schwartz and Y. Saranga 586

Modelling Leaf Photosynthesis as a Function of Age and Light Environment, P. Kasemsap,S. Thanisawanyangkura, Y. Crozat and 11. Sinoquet 587

The Relationship Between Chlorophyll Meter Readings and Optical Properties of Leaves

in Four Commercial Cotton Cultivars, H. J. Earl 591

Performance of Roundup-Ready Varieties in the Carolinas and Virginia, Zachary A. Webb, Dru Rush and Tom Baugh 592

Growth and Fruiting Patterns of Deltapine Seed Roundup Ready Cotton Varieties Across Southeast Texas,

T.A. Vagts, M. Bates, S.W. Fuchs, D.H. Schulze, D. Pustejovsky and 7". Grebert 593Response of Three Stacked Gene Varieties to Timed Roundup Ultra®Applications,

Dru E. Rush, Greg Pate, Bob Logan and Ijarry Hawf 595

Agronomic Evaluation of Transgenic Cotton Varieties in Delicias, Chih., Mexico, Juvencio Gonzdlez-Garcla,Arturo Obando-Rodrlguez, Jestis Miguel Olivas-Garcia, Josi Eduardo MagaHa-Magaiia andAlfredo Martinez 596

Vectoring a Bioactive Peptide for Cotton Transformation, Satyendra N. Rajguru and James McD. Stewart 598Effects of Pix, BAS130W, and Mepplus on Cotton Growth, Lint Yield and Fiber Quality

in the Coastal Plains of South Texas, C.W. Livingston, W.B. Prince and J.A. Landivar 599

Physiological, Growth and Yield Responses of Cotton to Mepplus and Mepiquat Chloride, Dull Zhao and Derrick Oosterhuis 599Cotton Yield Response to Mid-bloom Application of PGR-IV, W.C. Robertson, K. Williams, S. Rodery and A. Fisher 602

Mcpichlor and Bacillus Cereus Combinations: Cotton Yield and Growth Comparisons,R.C. Nuti, P.H. Jost, T.K. Witten and J.T. Cothren 602

Cotton Yield Response to Mepplus and Mepiquat Chloride, W.C. Robertson, A. Fisher, K. Martin, M. Cannon and J. Jones 602Do Cotton Varieties Respond Differently to Plant Growth Regulators?, R.P. Viator, P.H. Jost and J.T. Cothren 603Effect of Adjuvants, Nitrogen Salts and Ethcphon on Cotton Defoliants, E. J. Jones, G. D. Wills, J. E. Hanks and A. B. Curry, 111 603Evaluation of CGA-248757 (Action) as a Harvest-Aid in Central Texas, Robert G. Umon,

Thomas A. Hoelewyn, Archie Abrameit and Tom J. Gerik 605

High Plains Harvest-Aid Application Timing Studies, Mark Kelley, Randy Boman, Danny Carmichael and Norm Hopper 606Finish Performance in Northeast Arkansas, E. D. Varies and R. E. Glover 607Effect of Water Deficit Stress on K Partitioning in Cotton, Dennis L. Coker and Derrick M. Oosterhuis 611On-Farm Tillage and Irrigation Practices Effect Cotton Plant Water Status and Soil Environment, D. J. Makus and J. R. Smart 611Cotton Root and Shoot Growth Under Different Tillage Systems, Chuck Kennedy and Bob Hutchinson 614

Cotton Physiology Conference, continued

Change in Cotton Light Extinction Coefficient with Row Spacing, Evelyn M. Steglich,Thomas Gerik, Jim Kiniry and J. Tom Cothren

614Effects of Population, Variety, and Row Spacing on Cotton Growth, Lint Yield and Fiber Quality

in the Coastal Plains of South Texas, W.B Prince, C.W. Livingston and J.A. Landivar 615Isolation and Characterization of a Developmentally-Regulated Cotton Gene, Hee Jin Kim and Barbara A. Triplett 615

Expression and Characterization of Two Ubiquitin-Conjugating Enzyme Genes in Gossypium Hirsutum,X. D. Zhang, D. P. Ma, R. G. Creech, N. Jenkins, F. E. Callahan, J. C. MacCarty and S. Saha 616

Expression and Regulation of the Cotton Fiber Gene LTP3 Encoding a Lipid Transfer Protein,Hsi-Chou Liu and Din-Pow Ma 617

Analysis of Promoter Activity of Cotton Lipid Transfer Protein Gene LTP6 in Transgenic Tobacco Plants,Chuan-Yu Hsu and Din-Pow Ma 617

Principal Components of Cotton, Gossypium Hirsutum L., Leaf Reflectance Spectra, L. Tarpley and G. F. Sassenrath-Cole 617

Evaluation of Cotton Harvest Aids in the Brazos Bottoms, T.K Witten, P.H. Jost and J.T. Cothren 617Assessment of Fiber Variations Among Underedveloped Mote Bt Cotton Fibers and Developed Seed

Bt Cotton Fibers, A.S. Johnson, G.H. Davidonis, J.M. Bradow and K.B. Hood 620

Development of a Laboratory Screening Test for the Evaluation of Cold Tolerance

in Cotton Seed Germination, B. Duesterhaus, N. Hopper, J. Gannaway and G.M. Jividen 621

The Germination and Emergence Responses of Polymer-Coated Fuzzy Cottonseed,

K.D.Williams, N.W.Hopperand T. Wedegaertner 623Seed Applied Plant Growth Regulator Effects on Cotton Germination, Emergence, and Growth,

W. D. Becker, N. W. Hopper, B. L. McMichael and G. M. Jividen 625

Optimizing Protocols for Growing Cotton Ovule Cultures in Microgravity Aboard

the International Space Station, Barbara A. Triplett and Damicca S. Johnson 627

Early-Season Decisions About Cotton Plant Growth, Square Shed, Plant Growth Regulatorand Utility ofCotman, D.M. Oosterhuis, N.P. Tugwell, T.G. Teague and D.M. Danforth 628

Node Above White Flower as a Signal of Physiological Cutout: a Regional Report,A.O. Abaye, D. Oosterhuis, A. Steger, C. Bednarz and M. Holman 630

Development and Cutout Curves for Ultra-narrow and Wide-Row Cotton in Tennessee,

C. Owen Gwathmey, Carl E. Michaud, Robert D. Cossar and Seth H. Crowe 630

Cotton Monitoring for In-Season Mangagcment Decisions in Far West Texas, Bryan L. Unruh andJejfery C. Silvertooth 632

Factors Influencing Yield Variability in the Arkansas Cotton Research Verification Trials (CRVT),Donald E. Plunkett, N.R. Benson and W.C. Robertson 634

Cotton Root Health Work Group: Use of Stability Analysis to Evaluate Beltwide Data Base, B. L. McMichael,

Randy Boman, Bill Batson, Don Blasingame, Pat Colyer, Keith Edimisten, Bruce Roberts and Don Sumner ., 636

Cotton Root Systems in a Clay Loam Soil: Effects of Growth Stage, Irrigation and Nitrogen Treatment, R.B. Hutmacher,M.P. Keeley, K.R. Davis, J.E. Ayars, M.S. Peters, S.S. Vail, J. Covarrubias and A. Nevarez 637

Is Ultra-Narrow Row Earlier Than Conventionally-Spaced Cotton?, Philip H. Jost and J.T. Cothren 640

Cotton Genotypes Exhibiting Cluster-Like Fruiting Morphology and Their Response to 30-Inch Rows,J.J. Heitholt andJ.McD. Stewart 640

Effects of Various Intrarow Skips on Growth, Development, and Yield in Cotton, S. Franklin,N. Hopper, J. Gannaway and R. Boman 640

Cotton Quality Measurements Conference

Color Grading of Cotton-Measurement (Part I), Kermit E. Duckett, Luo Cheng,Terezie Zapletalova, Michael Watson and Hossein Ghorashi 645

Color Grading of Cotton-Grading (Part II), Luo Cheng, Kermit E. Duckett, Terezie Zapletalova,Michael Watson and Hossein Ghorashi • 649

Cotton Color Grading by Neural Network, B. Xu, J. Su, D.S. Dale andM.D. Watson 654

Evolution of Video Color/Trash Processing at Southwestern Cotton Ginning Research Laboratory,

Michael A. Lieberman andMurali Siddaiah • 657

Improvements in HVI Trash Measurement Procedures, James L. Knowlton 663

Cotton Fiber Property Variability from Motes Through Seeds, G. Davidonis, A. Johnson, J. Landivar and K. Hood 665

Application of the AFIS Multidata, Eric Hequet 666

Integration of Advanced Technology into a Cotton Analysis and Decision Support System,

V. V. Poceciun, B. Temkin, M. D. Ethridge and E. Hequet 670

Computerized Collection and Analysis of HVI Data, V. V. Poceciun, B. Temkin, M. D. Ethridge and E. Hequet 673

Improved Fiber Quality from Gin Process Control, Joseph M. Yankey 676

Flow of the Sample Through USDA Classification, Barbara Meredith 678

Cotton Quality Measurements Conference, continued

Measuring Cotton Fineness Independently of Maturity Using the Sirolan-Laserscan, G.R.S. Naylor and J. Sambell 679

Comparison of Sampling, Methods and Versions of AFIS, P. Bel-Berger, T. Von Hoven, X. Cui,

G. Davidonis and K. Pusateri 681

NIR Maturity Measurements Using a Filter Type Spectrometer, Robert A. Taylor 684

Image Analysis as a Reliable Method for Assessing Cotton Fiber Maturity, Kanniah Rajasekaran and Devron P. Thibodeaux 686

Comparison of Upgraded FMTs and Operator Effects. Part 1. Data Analysis, S.M. Buco,

J.G. Montalvo, Jr., S.E. Faught and J. Knowlton 686

Comparison of Upgraded FMTs and Operator Effects. Part II. Additional Studies, J.G. Montalvo, Jr.,

S.E. Faught, S. Buco and J. Knowlton 688

Rapid Estimation of Cotton Stickiness, W. Stanley Anthony 690

Detection and Counting of Two Cotton Contaminants: Seed Coat Fragments and Honeydew Deposits,R. Frydrych, M. Krifa, O. Tamime, M. GinerandJ-P Gourlot 695

Evidence on the Origins of Sugars Causing Stickiness in Cotton, Eric Hequet and Bobby G. Wyatt 698

Status of High Volume Instrument Measurements of Stickiness in Cotton, M. Dean Ethridge and Eric F. Hequet 701

Cotton Fibre Quality Evaluation and Research in South Africa, L Hunter, II Schrdder and CJ Steenkamp 704

Development of Optimal HVI Strength Index for Prediction of Yarn Tensile Strength,Moon W. Suh, Hyun-Jin Koo and Michael D. Watson 706

Effect of Adsorbed Water on the Specific Surface Area of Some Standards Cotton, C. Kaewpraslt, N. Abidi andJ.P. Gourlot 710

Rapid Conditioning 102, Frederick M. Shofner 712

Accelerated Sample Conditioning for HVI Testing Laboratories, Russell J. Cro/npton and Frank Bottomley 713

Toward a Gold Standard for NEP Calibration, C. Kyle Shofner, Jean-Pierre Caux, Kipp W. Julius,

Donald W. Daniel, Jr., William T. Floyd, David A. Hinkle and Frederick M. Shofner 715

Pre-Harvest Spatial and Temporal Variability in Short Fiber Content in Relation to Processing Success,J. M. Bradow, R. M. Johnson, P.J. Bauer and G.F. Sassenrath-Cole 716

Short Fiber Content of Cotton And Its Measurement, Xiaoliang "Leon" Cut, Timothy A. Calamari, Jr.,

Kearny Q. Robert and Michael D. Watson 718

Specific Surface Area of Some Standard Cotton Fiber and Its Relation to Physical Properties,C. Kaewpraslt, N. Abidi, J.P. Gourlot and J-M Douillard 718

Malcam Systems Total Quality Ginning Control System, Avi Shabthai and Joel Uzan 720

Seed Coat Fragments, a Major Source of Cotton Yarn Imperfections, Mourad Krifa, Jean-Paul Gourlot and Pr. J.-Y. Drean 722

Histological Examination of Seeds and Seed Coat Fragments in Cotton (Gossypium Hirsutum L.),Bruno Bachelier and Jirdme Desplans 724

Cotton Weed Science Research Conference

Report of the 1998 Cotton Weed Loss Committee, J. D. Byrd, Jr. 727

Response of Cotton to Pyrithiobac: Effect of Timing of Malathion Application, S. Seifert, C. E. Snipes and R. L. Allen 730

Response of Cotton Varieties to Staple Applications and Environmental Conditions, C. B. Corkern,

D. B. Reynolds, J. L Griffin, D. K. Miller, P. R. Vidrine and D. L Jordan 730

Effect of Staple Rate and Thrips Injury on Cotton Development, R. W. Costello, J. L Griffin,B. R. Leonard, D. K. Miller andM. E. Holman 731

Effect of Postemergence Topical Applications of Roundup on Roundup Ready Cotton,T. A. Baughman, E. P. Webster, J. W. Sij, Jr. andD. G. Bordovsky 731

The Effect of Roundup on Roundup Ready Cotton, D. B. Reynolds, S. L. File, R. E. Blackley and C. E. Snipes 732

Tolerance of Roundup Ready Cotton to Multiple Postemergence Applications ofGlyphosate, E. C. Murdock 732

Performance of Roundup Ready® Cotton Cultivars Under Three Herbicide Systems, O.L. May,E.C. Murdock, J.T. Fowler, Jr. and J.T. Staples, Jr. 732

Roundup Ready Cotton Weed Control Systems in West Texas, P.A. Dotray, J.W. Keeling and T.S. Osborne 733Weed Control Programs in Roundup Ready Cotton, J. A. Kendig , 733

Command 3ME and Roundup Ultra Systems for Roundup Ready Cotton, G.H. Scott, S.A. Askew,J. W. Wilcul and W.A. Bailey 734

Weed Management in Strip-Tillage Roundup Ready Cotton, J. W. Wilcitt, S. D. Askew, G. II. Scott and W. A. Bailey 734

Weed Management in Conventional- and Strip-Tillage Roundup Ready Cotton, J. T. Fowler, Jr.,E. C. Murdock, J. E. Toler, C. E. Curtis, Jr. and J. T. Staples, Jr. 734

Economic Analysis of Roundup Ready Cotton in Conservation Tillage Systems, K. M. Bloodworth,D. B. Reynolds, C. E. Snipes and N. W. Buehring 735

Conservation Tillage with Roundup Can Decrease Cotton Production Costs, J. R. Smart and J. M. Bradford 735

Evaluation of Herbicide Program in Strip-Tilled Roundup Ready Cotton, P. J. Wiatrak, D. L. Wright, W. Koziara and S. Reed 738

Weed Management in No-Till Cotton in North Carolina and Tennessee, W. A. Bailey, J. W. Wilcut and R. M. Hayes 738

Cotton Weed Science Research Conference, continued

Weed Control in Ultra-Narrow Row Roundup Ready Cotton, J.T. Fowler, Jr., EC. Murdock, J.T. Staples, Jr. and J.E. Toler 739Comparing Ultra-Narrow Row and Conventional Row Cotton Cropping Systems, S.B. Belcher,

M.G. Patterson, C.H. Burmester, W.H. Faircloth and D.O. Stephenson IV 739Weed Management Challenges in UNR Cotton, R. M. Hayes and C. O. Gwathmey 740Weed Management in Ultra Narrow Row Cotton in North Carolina, A. S. Culpepper andA. C. York 740Weed Management in BXN Cotton With Command-Reflex-Buctril Systems, S. D. Askew, J. W. Wilcut andM. D. Paulsgrove 741Weed Management in BXN Cotton with Buctril and Reduced Rates of Staple, J. W. Wilcut, S. D. Askew and M. D. Paulsgrove 741Pre/Post Staple Combinations in Texas High Plains Cotton, J. W. Keeling, T. S. Osborne and P. A. Dotray 742Evaluation of Roundup Ultra/Staple Combinations for Total Postemergence Weed Control

in Roundup Ready Cotton, D. K. Miller, C. F. Wilson and J. L Milligan 742Utilizing Staple and Roundup Ultra for Weed Control in Roundup Ready Cotton,

C. Steven Williams, K. A. Patterson, W. H. Mitchell and L. B. Gillham 743Weed Management in Conventional and No-Tillage Cotton Using BXN, Roundup Ready,

and Staple OT Systems, S. D. Askew, J. W. Wilcut, W. A. Bailey and G. H. Scott 743Economics of Weed Management Systems in BXN, Roundup Ready, and Conventional Cotton, A, C. York and A. S. Culpepper 744Systems Comparison: Staple, Buctril, Roundup, C.B. Guy and J.D. Hopkins 745A Beltwide Evaluation of Weed Management in Transgenic and Non-Transgenic Cotton,

J. W. Wilcut, S. D. Askew, B. J. Brecke, D. C. Bridges, S. M. Brown, J. M. Chandler,R. M. Hayes, J. A. Kendig, D. K. Miller, R. L. Nichols and C. E. Snipes 746

Weed Control in Okra-Leaf and Conventional Cotton, J.T. Staples, Jr., E. C. Murdock and J.T. Fowler, Jr. 746Liberty Link® Cotton: Tolerance and Weed Management Systems, L K. Blair, P. A. Dotray,

J. W. Keeling, J. R. Gannaway, M. J. Oliver and J. E. Quisenberrry 747Application Temperature Influences Pyrithiobac (Staple8) Efficacy in a Semi-Arid Environment,

Ginger G. Light, Peter A. Dotray and James R. Mahan 747Sicklepod and Morningglory Control with Roundup Ultra Applied in a Low Volume, Air-Assisted Spray,

W.H. Faircloth, M.G. Patterson, S.B. Belcher and D.O. Stephenson, IV 748The Impact of Uncontrolled Palmer Amaranth in Central Texas Cotton, P.A. Baumann,

G.D. Morgan, J.W. Smith and J. M. Chandler 748Perennial Weed Control with Roundup Ready and BXN Cotton, J. D. Everitt, J. W. Keeling, P. A. Dotray and T. S. Osborne 749Rhizome Johnsongrass (Sorghum Ilalapense) Control with Conventional and Transgenic

Herbicide Programs, James W. Smith, Paul A. Baumann and Gaylon D. Morgan 749Yellow Nutsedge Control Programs in Cotton, W. K. Vencitl 750Purple Nutsedge Management in Roundup Ready Cotton, M.W. Edenfield, B.J. Brecke, D.L Colvin andD.G. Shilling 751Redvine Control on Clay With No-Till, Harold R. Hurst 751Cotton Herb- a New Decision Making Tool for Weed Management in Cotton, G.H. Scott, J.W. Wilcut and G.G. Wilkerson 752Competition and Seed-Rain Dynamics of Velvetleaf in Cotton, W. A. Bailey, J. W. Wilcut and S. D. Askew 753

Competition and Proliferation of Four Smartwecd Species in Cotton, S. D. Askew, J. W. Wilcut, W. A. Bailey and G. H. Scott 753Redvine Control with Roundup Ultra® in Roundup Ready® Cotton, Harold R. Hurst 754