1990 PROCEEDINGS: BELTWIDE COTTON PRODUCTION RESEARCH CONFERENCES
	Jan. 10-13, Las Vegas, NV Editors C. Paul Dugger & Debbie A. Richter
TABLE OF CONTENTS

COTTON DISEASE COUNCIL
Concepts and Achievements in Cotton Disease Management Kamal M. El-Zik	15
Integration of Biological Control of Plant Pathogens into IPM Programs James J. Marois, James T. English, and Janet C. Broome	19
Integration of Biotechnology into IPM Programs Terry B. Stone	23
Economic Implication of Tpm for Cotton Diseases R.D. Lacewell, J.R.C. Robinson, and S.M. Masud	23
Reflections on the History of the Cotton Disease Council S. Bird	26
Impact of Legume Cover Crops on Soilborne Plant Pathogens of Cotton C.S. Rothrock and T.L. Kirkpatrick	30
Effects of No-Till Planting on Severity of Cotton Seedling Diseases Albert Y. Chambers	30
Responses of Cotton Cultivars to Potash Fertilization Earl B. Minton and M. Wayne Ebelhar	30
Biological Control of Pythium Damping-Off by Coating Cottonseed with Gliocladium Virens Preparations Charles R. Howell	31
Verticillium Wilt of Cotton: Theory of Resistance, a Basis for Expanded Studies Marshall E. Mace, Robert D. Stipanovic, and Alois A. Bell	32
Desoxyhemigossypol, a Cotton Phytoalexin: Structure-Activity Relationship R.D. Stipanovic, M.E. Mace, M.H. Elissalde, and A.A. Bell	32
Use of Verticillium Tricorpus as a Biocontrol Agent Against Rhizoctonia Damping-Off and Verticillium Wilt of Cotton E.J. Paplomatas, R.J. Wakeman, E. DeVayl, R.H. Garber, and B.L. Weir	32
Protein Synthesis in the Interaction of Verticillium Dahliae with Gossypium Species Oscar Joost, Clint W. Magill, and Alois A. Bell	33
Position and Aflatoxin Levels of Toxin Positive Bolls on Cotton Plants. P.J. Cotty and L.S. Lee	34
Reniform Nematode Parasitizing Cotton - An Alert A.F. Robinson, C.M. Heald, and J.A. Veech	36
The Effect of Infection of Cotton by Races 1 and 3 of Meloidogyne Incognita on Fruit Load Distribution and Fiber Quality J.A. Veech and R. Gary Smith	36
Soil Fallowing and Precision Row Planting to Reduce Phytoparasitic Nematode Populations R.G. Smith, J.A. Veech, J.L. Starr, and J.R. Gannaway	36
Chemical and Cultural Management of Black Root Rot of Cotton Caused by Thielaviopsis basicola J.E. DeVay, S. El-Assar, R.J. Wakeman, and R.H. Garber	37
Control of Cotton Seedling Pathogens with Chemical and Biological Seed and Soil Treatments Richard H. Garber, Bill L. Weir, Epaminondas J. Paplomatas, Roland J. Wakeman, and James E. DeVay	38
Knowledge Base Systems as a Paradigm for Integrated Pest Kanagement Research Nicholas D. Stone
COTTON PHYSIOLOGY CONFERENCE
Phytogram Characteristics of Pima Cotton W. Gensler	44
Influence of Aldicarb on Growth, Development and Photosynthesis of Cotton K.R. Reddy, V.R. Reddy, and D.N. Baker	44
Carbohydrates and Carbohydrate Enzymes in the Cotton Plant Donald L. Hendrix	49
Characterization of Moderate Chilling Stress in Post-Emergent Cotton Seedlings Judith M. Bradow, Kevin J. Pratt and Donna M. Gibson	49
Field Observations of the Impact of Vertcillium Wilt on Cotton Leaf Photosynthesis R.E. Hampton, S.D. Wullschleger, and D.M. Oosterhuis	50
Nutrient Profiles of Water-Stressed Cotton Grown at Different Temperatures Judy D. Timpa and Barbara A. Triplett	50
ABA and Auxin Contents of Squares and Flowers in Relation to Water Deficit Stress Gene Guinn and D.L. Brummett	51
Nitrogen Effects on Water Potentials of Irrigated Cotton John W. Radin, Peter C. Kerridge, and Jack R. Mauney	51
Water-Deficit Stress and Osmotic Adjustment in Leaves and Roots of Field-Grown Cotton R.A. Ball and D.M. Oosterhuis	51
Varietal Differences in Radiation-Use Efficiency in Cotton T.J. Gerik and W.D. Rosenthal	52
Field Measurements of Photosynthesis and Respiration in Developing Cotton Bolls S.D. Wullschleger, D.M. Oosterhuis, and S.A. Rutherford	52
Responses of Cotton Canopies to Temperature V.R. Reddy, K.R. Reddy, and D.N. Baker	53
Water Relations of Cotton Flower Petals Norma L. Trolinder and Dan R. Upchurch	53
Chemical Removal of Early Squares: Treatment Efficacy and Effects on Reproductive Growth of Superokra-Leaf Cotton C.W. Kennedy and J.E. Jones	53
Irrigation Frequency During Fruiting as a Yield Determinant in Cotton John W. Radin, Jack R. Mauney, and O.F. French	53
The Relationship Between Hours of Seed Chilling, Time of Seed Germination and Early Plant Development of Cotton C.C. Baskin, S. Paliwal, and D.C. Stimpson	54
Thermal Dependence of Root Systems: Growth and Enzyme Function B.L. McMichael, James R. Mahan, and J.E. Quisenberry	54
Effects of Insecticide, Fungicide, and Seed Quality Treatments on the Emergence, Establishment, and Yield of Texas High Plains Cotton. Norman Hopper, James Supak, James Leser, and Harold Kaufman	55
Early Season Defruiting Effects on Dry Matter Partitioning in Cotton W.T. Pettigrew, J.J. Heitholt, and W.R. Meredith	56
Light Interception and Growth Characteristics in Narrow Row Cotton J.J. Heitholt, W.T. Pettigrew, and W.R. Meredith	56
Preliminary Report on Cotton "Leafburn" in the Imperial Valley, CA Chang-chi Chu, Thomas J. Henneberry, and Eric T. Natwick, Franklin F. Laemmlen, and Brian Deeter	57
Physiological and Lint Yield Effects of an Organophosphate Insecticide on Cotton W.C. Robertson and J.T. Cothren	59
Parallel Accumulation of Silicon and Essential Nutrients in Developing Cotton Fibers Eileen K. Boylston, Judith M. Bradow, Thomas P. Hensarling, Jacques J. Hebert, and D.P. Thibodeaux
Using Cotton Plant Mapping Software to Summarize Mapping Information Monty Christian
Effects of Climate and Cultural Practices on Seed Gossypol in the Texas High Plains Jerry E. Quisenberry and Ray E. Dilbeck
The Induction of the Enzymes for the Synthesis of Sesquiterpenoid Phytoalexins in Verttctltum Infected Cotton Chan R. Benedict, S. Madhavan, R.D. Stipanovic, and M.E. Mace
Petiole Ratio of Cotton Mainstem Leaves in Relation to Environmental Effects Avishay Ben-Porath and Donald N. Baker
Optimizing Nitrogen Requirements for Cotton Production - Texas Southern High Plains Dan R. Krieg
Cultivar Selection and Management Strategies for Dryland Cotton Production Juan S. Landivar, Craig C. Crenshaw, and Joseph Vasek
COTTON IMPROVEMENT CONFERENCE
Improved Phenotypes of Hybrid Cotton Dick D. Davis	62
Relative Fiber Uniformity Between Parent, F1, and F2 Generations in Cotton J.K. Dever and J.R. Gannaway	62
Effect of Gossypium barbadense Parental Selection upon F1 Interspecific Hybrid Plant Height, Earliness, and Yield Richard G. Percy and E.L. Turcotte	62
Yield and Quality Determinations of F1 and F2 Hybrids Lyndon Schoenhals and J.R. Gannaway	69
Evaluation of Yield Potential and Fiber Properties of 15 F2 Populations and Their Parents in Pima Cotton E.L. Turcotte and Richard G. Percy	69
Yield and Fiber Quality Potential for F2 Hybrids W.R. Meredith, Jr.	69
New Cytoplasms for Cotton James McD. Stewart	69
Chromosome Localization of the Semigamy Mutant of Pima Cotton and the Production of Nulli-Haploids J. Jefferson Gwyn and David M. Stelly	70
Time and Mode of Gene Expression of the Semigamy Mutant of Pima Cotton J. Jefferson Gwyn and David M. Stelly	70
Phytogram Differences Between DPL 77 and DPL 20 W. Gensler	70
Genetic Evaluation of Resistance to Seed Deterioration in Cotton F.M. Bourland, S.M Furbeck, and C.E. Watson, Jr.	73
Force Gauge Measurement of Cotton Seedcoat Strength Robert G. McDaniel	73
Improvement Program for Cotton Fiber Quality and Lint Yield Through Variety Selection in South Texas S.D. Livingston, R.D. Parker, and C.R. Stichler	74
Genetic Gains in Yield, Earliness, and Fiber Quality in the MAR Hybrid Pools P.M. Thaxton, K.M. El-Zik, and C.G. Cook	77
Seedcotton Cleanability and Non-Lint Trash at the Gin as Affected by Morphological Traits R.G. Novick, J.E. Jones, W.S. Anthony, W. Aguillard, and J.I. Dickson	80
Selecting for Maturity Differences and Improved Yield Stability in Pee Dee Germplasm Lines C.C. Green and T.W. Culp	81
Sizes of Chemically Induced Cotton Fiber Fragments and Relationships to Fiber Properties T.P. Hensarling, J.J. Hebert, L.Y. Yatsu, E.K. Boylston, J.P. Evans, and D.P. Thibodeaux	81
Modes of Resistance to the Tobacco Budworm by Five Strains of Cotton J.C. Schneider and F.M. Bourland	83
Weathering Effects on Cotton Fiber Quality D. Donaldson and Devron P. Thibodeaux	83
Tobacco Budworm Resistance: Commercial Cultivars and Advanced Breeding Likes Jack C. McCarty, Jr.	84
Inheritance of Resistance to Cotton Leaf Crumple Virus. II. F.Douglas Wilson and Judith K. Brown	84
High Condensed Tannin and Heliothis Sp. Resistance; Biological Effect on Larvae Damage and Larvae Effects on Yield M.F. Schuster, M.P. Gibbs, and W.C. Smith	84
Development and Use of Dyeing Techniques to Evaluate Potential for Dyeing Problems in Raw Cotton Michael D. Watson and Frank L. Carter	85
Effect of Light Intensity, Plant Part, and Stage of Growth on the Condensed Tannin Content of Six Cotton Genotypes Ken E. Lege, C. Wayne Smith, and J. Ton Cothren	85
Cotton Breeding Objectives for Open-End Spinning W.R. Meredith, Jr.	85
Narrow Row vs Conventional Row Spacing on Lint Cotton Yield and Quality M.D. Heilman and L.N. Namken	87
Effect of Nitrogen Rate on Plant Structure, Fruiting Behavior and Earliness of Cotton S.J. Stringer, N.P. Tugwell, R.L. Maples, F.M. Bourland, and J.J. Varvil	87
Fruiting Efficiency in Cotton: Boll Set Percentage and Boll Size Johnie N. Jenkins, Jack C. McCarty, Jr., and W.L. Parrott	88
Effect of Weather on Cotton Seedling Survival and its Association with Lint Yield and Fiber Quality K.M. El-Zik, N.L. Namken, and P.M. Thaxton	88
Lint Yield and Water Use Efficiency of Upland Cotton Genotypes Varying in Drought Tolerance C.G. Cook and K.M. El-Zik	93
The Effects of Water Stress on Pima Cotton Quality D.J. Garrot, Jr., J. Silvertooth, S. Stedman, D.D. Fangmeier, S.H. Husman, and B. Benedict	93
Extra Long Staple Acala Cotton Breeding, Growing and Processing. Gad Fishler and Yshai Doron	94
Cotton Production in China Fred E.M. Gillham	95
Tenacity Conversion Factors R.S. Krowicki and R.J. Kohel	98
Stability Analysis for Cotton (Gossypium hirsutum L.) And Their Sites of Testing. II. Multivariate Analysis Arturo Hernandez-Jasso, Roberto Cruz Medina, and Lorenzo Perez Solis
COTTON ENGINEERING-SYSTEMS CONFERENCE
Strategies for Implementing an Integrated Expert System in Cotton: Experience with Calex/Cotton in California P.B. Goodell, T.A. Kerby, C. Ver Linden, J.Strand, R.E. Plant, L.T. Wilson, R. Vargas, and S. Johnson	100
Effect of Plant Growth Regulators and GOSSYM Recommendations on Cotton Fiber Quality B.W. Shaw, C.B. Parnell, Jr., and R.E. Childers, Jr.	101
Field Evaluation of Infrared Moisture Meters: A Progress Report W.Stanley Anthony and Lionel Gervais	106
30-Inch Cotton Production in the Mississippi Delta J.R. Williford	106
Cotton Performance under Five Conservation-Tillage Production Systems F.D. Tompkins, J.F. Bradley, and M.S. Kearney	108
Application of Instrumented Tractors to Improve Performance During Deep Tillage Operations T.H. Garner, S.A. Hale, A. Khalilian, and R.B. Dodd	112
Cottonseed Storage Buildings for Gins and Dairy Farms in Missouri D.L. Williams, N.F. Meador, and Van H. Ayers	113
Activated Carbon Production and Quality from Thermal Gasification of Cotton Gin Trash S.C. Capareda, C.B. Parnell Jr., and W.A. LePori	115
The Mathematics of Cotton Harvest D.W. Parvin, Jr. and Fred T. Cooke, Jr.	119
Canopy Temperature Measurement Using Infrared Thermometry D.F. Wanjura, D.R. Upchurch, and J.R. Mahan	122
Development of a Probe-Type Liquid Fertilizer Injector A.R. Womac and F.D. Tompkins	125
An Air-Atomizing Spray System for Pesticide Application J.R. Williford, F.E. Fulgham, J.E. Hanks, and A.R. Womac	130
Multi-Function Irrigation System for Planting and Chemical Application William M. Lyle and James P. Bordovsky	133
Development of a Multi-Use Weather Station Network in Southeast Missouri V. Ayers, S. Honeycutt, D. Hoffman, and A. Thompson	136
Continuous Down-The-Row Measurement of Cotton Yields with a Modified Production Spindle Harvester Dean A. Pennington
Timing Pix Application with GOSSYM-COMAX in Texas Roy E. Childers, Jr., Larry Wilde, and Bryan Shaw
COTTON INSECT RESEARCH AND CONTROL CONFERENCE
43rd Annual Conference Report on Cotton Insect Research and Control E.G. King and G.A. Herzog	140
Cotton Insect Losses - 1989 Robert B. Head	157
Improved Expression of the Bt Insecticidal Protein in Transgenic Plants T.A. Armstrong, R.L. Fuchs, W.R. Deaton, F.J. Perlak, S.C. MacIntosh, J.T. Greenplate, and S.R. Sims	162
Heliothis Resistance Monitoring in the Cotton Belt: PEG-US Update Benjamin Rogers, Harlan D. Fees, Steven L. Riley, Charles A. Staetz, James Whitehead, and Walt Mullins	163
The IRAC-US Cotton Committee: its Role in the Study of Cotton Insecticide Resistance Ian A. Watkinson	165
IPM A Greater Challenge in the 1990's J.R. Phillips	167
Cotton Aphids: Current Status and Future Trends in Management D.D. Hardee and P.J. O'Brien	169
Role of Entomologists in Producing Quality Cotton Fiber Frank L. Carter	171
Nerve Insensitivity to Cypermethrin in Field and Laboratory Strains of Heliothis Virescens R. T. Gladwell, A.R. McCaffery, and C.H. Walker	173
Resistance to Cypermethrin in the PEG87 Strain of Heliothis Virescens - The Enzymatic Factor C.H. Walker, K.S. Lee, A.R. McCaffery, and E.J. Little	177
Operation of Sex-Pheromone Traps for Tobacco Budworm and Bollworm at Field Edge J.A. Witz, J.L. Goodenough, and J.D. Lopez	180
Early Season Pest Management in the San Joaquin Valley, California, a Five Year Review B.A. Roberts, R.L. Dunlap, B.L. Weir, and R. Vargas	181
Contrasts in Spider Mite Management: Australia/California. Thomas F. Leigh	183
Gossyplure-Baited Trap Catch Relationships to Seasonal Pink Bollworm Population Increases C.C. Chu and T.J. Henneberry	184
Effects of Extent and Time of Irrigations on Winter Survival and Spring Emergence Patterns of Pink Bollworm C.A. Beasley	186
Plant Growth Regulators in Pink Bollworm Management Systems T.J. Henneberry, L.A. Bariola, C.C. Chu, B. Deeter, and T. Meng	187
Influence of Late Season Square Removal on Boll Retention P.B. Goodell, T.A. Kerby, and M. Keely	190
Pink Bollworm Control Through Stalk Destruction Eric T. Natwick, Robert T. Staten, Stephen L. Birdsall, and Walter Leimgruber	191
Persistence and Relative Performance of Pheromone Formulated with or Without Z-11-Hexadecen-1-ol in PVC as Bait for Trapping Heliothis Virescens D.E. Hendricks, T.N. Shaver, and R.F. Albach	195
Relating Heliothis Spp. Pheromone Trap Captures to Egg Counts in Cotton: III. Third Year Data from the Mississippi Delta J.L. Hayes	198
Use of Sex Pheromone Traps in the Management of Heliothis Spp. J.D. Lopez, Jr., M.A. Latheef, and J.A. Witz	198
Plant Bugs in North Carolina: Dilemma or Delusion? Jack S. Bacheler, J.R. Bradley, Jr., and Craig S. Eckel	203
Simulated Insect Damage Effects on Yield, Maturity and Fiber Quality of Three Cotton Cultivars Gary L. Lentz	206
Evaluation of the Asiatic Cottons, Gossypium arboreum L. and G. herbaceum L., for Resistance to Heliothis virescens F. M.A. Stanton, J.R. Phillips, and J.M. Stewart	206
Evaluating Insect Resistance in Southeastern Cotton Varieties M.E. Roof and C.C. Green	206
Commercial Cotton Varieties: How They Relate to Pest Management W.L. Parrott, J. N. Jenkins, and J.C. McCarty, Jr.	206
Implementing a Resistance Management Strategy for Cotton Pests in Northwest Mexico. Jose L. Martinez-Carrillo	209
Determination of Pyrethroid Resistance in Field Populations of Tobacco Budworm G.W. Elzen, F.A. Harris, and M.R. Reid	211
A Field Technique for Determining Pyrethroid Resistance and Levels of Parasitism for Heliothis Spp. Eggs and Neonate Larvae in Cotton B.F. McCutchen, C.G. Sansone, F.W. Plapp, Jr. and D. Kostroun	213
Status of Pyrethroid Resistance in Tobacco Budworm in Louisiana Jerry B. Graves and B. R. Leonard	216
Results of the 1989 PEG-US/University Tobacco Budworm Pyrethroid Resistance Field Trial in Northwest Louisiana Stephen Micinski, B. Roger Leonard, and J. B. Graves	219
Synergism by Amitraz and Piperonyl Butoxide of Cypermethrin Toxicity to Pyrethroid Resistant Tobacco Budworm Moths A.A. Schreiber and C.O. Knowles	223
Heliothis Resistance Monitoring: Effect of Age and Gender of Moths on Cypermethrin Susceptibility Alton N. Sparks, Jr., John N. Norman, Jr., Jimmy R. Raulston, and Dan A. Wolfenbarger	225
Heliothis Resistance Monitoring: Effect of Environmental Stress on Resistance Detection Using the Adult Vial Technique John W. Norman, Jr., Alton N. Sparks, Jr., Jimmy R. Raulston, and Dan A. Wolfenbarger	226
Relationship Between Adult Vial Tests and Aerial Pyrethroid Sprays for Control of Heliothis virescens in Cotton E.V. Gage, L.D. Hatfield, R.L. Phillips, and D.A. Wolfenbarger	227
Cypermethrin and the Tobacco Budworm: Sample Sizes to Estimate Moth Mortalities with the Vial Test D.A. Wolfenbarger, E.V. Gage, and L.D. Hatfield	228
Behavior of Pyrethroid-Susceptible and -Resistant Heliothis Virescens Larvae on Cotton Treated with Insecticides J.H. Benedict, M.F. Treacy, B.J. Camp, and G.C. Yencho	229
Synergism of Permethrin by Formamidines: A Comparison of Chlordimeform and Amitraz in Resistant and Susceptible Heliothis Virescens Populations P.O.P. Mosupi, L.I. Terry, and T.F. Watson	231
Effects of Formamidines on Octopamine Titers in Eggs of the Tobacco Budworm Thomas C. Sparks, B. Roger Leonard, Frank Schneider, and Jerry B. Graves	235
Toxicity of Thiodicarb to Susceptible and Resistant Strains of Tobacco Budworm and Fall Armyworm Larvae H.M. Ayad and C.R. Phillabaum	239
TEXCIM40: Testing and Use on the Farm Winfield Sterling, Albert Hartstack and Allen Dean	241
Using TEXCIM40 A.W. Hartstack, W.L. Sterling, and D.A. Dean	244
Developing a Bayesian Approach for Estimating the Proportion of Cotton Plants at Risk to Insect Attack J.L. Willers, R.L. Olson, M.R. Williams, and T.L. Wagner	246
The Utilization of a Geographic Information System in a Boll Weevil Field Management Program Glenn Wiygul, J. McCoy, and J.W. Smith	248
Capture Timing for Heliothis Zea and Heliothis Virescens Males in Pheromone Traps as Determined with an Improved Electro-Mechanical Detection System K.R. Beerwinkle, J.A. Witz, and J.L. Goodenough	250
Pattern of Heliothis Spp. Pheromone Trap Captures on Cotton in the Brazos River Valley of Texas, 1987-89. M.A. Latheef, J.D. Lopez, Jr., and J.A. Witz	250
Cropping Systems and Insect Management R.R. DeSpain, J.H. Benedict, J.A. Landivar, B.R. Eddleman, S.W. Goynes, R.D. Parker, and M.F. Treacy	256
Systems Management of Cotton Pests E. Burris, J.B. Graves, K.W. Paxton, J.E. Jones, B.R. Leonard, and D.R. Lavergne	262
An Inexpensive Device for Rapid Change, Application and Rinse of Tractor Applied Chemicals During Small Plot Efficacy Trials. Jack T. Reed and Robert R. Grant	262
Field Evaluation of Selected Candidate Ovicides Against Heliothis Spp. On Cotton John A. DuRant	265
Ovicidal Properties of Selected Insecticides Against Heliothis Spp. In Cotton B.R. Leonard, J.B. Graves, S. Micinski, and G. Burris	267
Aerial Application of a Nuclear Polyhedrosis Virus for Reducing the Emergence of Heliothis from Early-Season Hosts M.R. Bell	273
Cotton Performance after Boll Weevil Eradication When Left Untreated, Sprayed with Insecticides at Least Weekly, and Sprayed as Needed, Based on Scouting Reports Second Year Results S.B. Roach, J.E. DuRant, and M.E. Roof	275
Survival of Microplitis croceipes (Cresson) in Contact with Residues of Insecticides in Cotton Janine E. Powell and William P. Scott	275
Increased Damage to Cotton Foliage by Beet Armyworm from Application of Zinc Chelate and Ammonium Sulphate David H. Akey, Hollis M. Flint, and Jack R. Mauney	277
Evaluation of Aldicarb and Ethephon in Cotton Production William P. Scott	280
Heliothis virescens Monitoring: Rhone-Poulenc Ag Company Program During 1989 H.M. Ayad, J.H. Hope, and T.A. Sullivan	280
The Role of Ovasyn in Cotton Insect Management Lane Smith	282
Results of 1989 Karate® Boll Weevil Trials Across the Mid-South J.T. Daniel, D.H. Anderson, L.S. Boykin, J.O. Bryson, S.A. Harrison, E.E. King, and J.M. Lunsford	283
Aphid and Mite Control in Cotton with Capture 2 EC Insecticide/Miticide H.P. Mitchell and L.D. Hatfield	284
Seasonal Changes in Cotton Aphid Susceptibility to Insecticides in West Texas Cotton Charles T. Allen, Warren L. Multer and Victor Lucero	287
Pre-Bloom Ethephon Application: Effects on Cotton Yield, Maturation Date, Quality, and the Boll Weevil E.G. King, R.J. Coleman, D.R. Reed, and J.L. Hayes	290
Significance of Cotton Residue as Overwintering Habitat for Boll Weevil in Southern Texas K.R. Summy	296
Boll Weevil Overwintering in Crp Grasses on the Texas High Plains S.C. Carroll and D.R. Rummel	297
Winter Mortality of Boll Weevils in Bolls and Spring Emergence in Arizona L.A. Bariola, T.J. Henneberry, and T. Meng	299
Development of an Attracticide for the Boll Weevil J.E. Wright and L.D. Chandler	299
Field Tests with an Attract-And-Kill Device for the Boll Weevil (Coleoptera: Curculionidae) G.H. McKibben, J.W. Smith, and J.E. Leggett	303
Early Planted Cotton as Trap Crop Reduced the Cost of Boll Weevil Control James W. Chiles and J. Larry Chiles	304
Early Season Boll Weevil Control Considerations for the Mississippi Delta James W. Smith	305
Effectiveness of Sterile Boll Weevils Released on Isolated, Small Plots in Florida E.J. Villavaso, W.L. McGovern, J.L. Roberson, and J. W. Smith	306
The Influence of ULV Malathion, Applied for Boll Weevil Control, on the Other Pest and Beneficial Species in Arizona Joseph E. Leggett	308
Western Flower Thrips on Cotton: Plant Damage and Mite Predation - Preliminary Observations. Jack T. Reed and John Reinecke	309
Heliothis Pupal Handling and Placement Methods for Improved Moth Emergence in Wide-Area Release Programs Marion L. Laster and Jon L. Roberson	311
Genetic Improvement of Tobacco Budworm Sterile Hybrid: Pyrethroid Resistance. Michael J. Firko and Edgar G. King	312
Potential for Disrupting Biological Processes in Helicoverpa and Heliothis Spp. With Neuropeptides and Recombinant Baculoviruses R.L. Ridgway, M.N. Inscoe, Y,W. Thorpe, A.K. Raina, and J.C. Davis	314
Marking Laboratory-Reared Trichogramma pretiosum and Chrysoperla rufilabris with Rubidium T.N. Shaver, R.K. Morrison, and J.D. Lopez	314
Modeling the Spring Emergence and Overwintering Survivorship of the Boll Weevil in Texas N.D. Stone and D.R. Rummel	318
The Development of Whims, a Knowledge-Based Insect Management System R.L. Olson, T.L. Wagner, M.R. Williams, and J.L. Willers	322
Using Knowledge-Based Insect Management Systems at Farm Level M.R. Williams, J.L. Willers, T.L. Wagner, and R.L. Olson	325
Cotton Insect Consultant for Expert Management (CIC-EM): An Expert System for Managing Cotton Insects R.O. Bowden, R.G. Luttrell, and L.G. Brown	328
Model Changes and 1988 Test of a Population Dynamics Model as an Insecticide Application Aid Against Heliothis Zea on Cotton in the Texas High Plains John L. Goodenough, Don R. Rummel, and John A. Witz	333
Developing an Object-Oriented Cotton Plant Model: Mechanistic Implications R.A. Sequeira, M.E. Makela, K.M. El-Zik, and N.D. Stone	339
Coupling Object-Oriented Plant and Heliothis Models R.A. Sequeira, M.E. Makela, K.M. El-Zik, and N.D. Stone	339
Programming the Combination of the Cotton Insect Model, TEXCIM, with the Cotton Physiology Model, GOSSYM, Using the Heliothis Damage Model, HELDMG: A Status Report J.A. Witz, D.C. Akins, J.M. McKinion, and W.M. Thomas	343
COTTON WEED SCIENCE RESEARCH CONFERENCE
Effect of Row Pattern, Weed Control, and Pix on Cotton Vint Hicks, Mike Patterson, and Bobby Norris	346
Effects of Zorial on Fall-Seeded Crops Stephen H. Crawford and R. Keith Collins	346
Weed Control and Population Dynamics in Early Vs. Late Season Maturing Cotton C.T. Bryson	346
Influence of Application Variables on Efficacy of KIH-8921 D.L. Jordan, R.E. Frans, M.R. McClelland, and W.G. Johnson	347
Efficacy of KIH-8921 in Louisiana Cotton P.R. Vidrine, S.H. Crawford, and E.P. Millhollon	347
Influence of Ammonium Sulfate on Fluometuron Activity C.E. Snipes, L.M. Kent, and G.D. Wills	347
Integration of Clomazone into Weed Management Systems for Cotton D.L. Jordan, R.E. Frans, M.R. McClelland, and W.G. Johnson	348
Command-Insecticide Interactions on Cotton A.C. York, F.T. Corbin, and D.S. Guthrie	348
The Use of Prowl Herbicide as a Preemergence Treatment in an Irrigated Reduced Tillage Cotton Production System. L.D. Barnes and R.W. Whitmore	349
Weed Management in No-Till Cotton G.W. Oliver, A.C. York, and A.D. Worsham	350
Methazole plus Norflurazon Applied Preemergence in West Texas Cotton Mark C. Boyles and Wayne Keeling	350
Single and Serial Applications of Fusilade® on Bermudagrass in Cotton G.D. Wills, C.E. Snipes, and J.T. Daniel	355
Application Timing for Spot Treating Johnsongrass H.R. Hurst and J.R. Williford	355
Economics of Postemergence Johnsongrass Control in Cotton E.P. Webster, M.G. Patterson, and Bobby Norris	356
Documentation of Weed Infestation Levels in Louisiana Cotton Dearl E. Sanders	357
Response of Cotton, Prickly Sida, and Pitted Morningglory to Directed Herbicides with and Without MSMA Lawrence H. Harvey, Edward C. Murdock, D.H. Poston, and J.E. Toler	358
Identification and Distribution of Morningglory Species in the Cotton Belt C.D. Elmore	358
Research and Field Strategies for Ivyleaf Morningglory Control in California Cotton H.M. Kempen, M.P. Gonzalez, and J. Voth	359
Morningglory: Problems and Management Strategies in Southeastern Cotton A.C. York	360
Morningglory Control Strategies for Southwestern Cotton Dave Weaver	361
Morningglory Control in Mississippi R.S. Baker and H.R. Hurst	361
Morningglory Control Systems in Missouri Cotton D.R. Guethie and B.D. Sims	363
Competition, Cost, and Control of Morningglories R.M. Hayes and P.E. Haskinson	363
Morningglory Management in Arkansas Cotton R.E. Frans, D.L. Jordan, and M.R. McClelland	364
Report of the 1989 Cotton Weed Loss Committee John D. Byrd, Jr.	365
Morningglory Control Systems in Louisiana Cotton Stephen H. Crawford and R. Keith Collins	365
Documentation of Weed Infestations in Arizona Cotton S. Heathman	367
Documentation of Weed Infestations in Louisiana Cotton D.E. Sanders	367
Documentation of Weed Infestations in Mississippi Cotton J.D. Byrd, Jr., A.M. Blaine, K.L. Edmisten, W.H. McCarty, and T.C. Miller	368
Documentation of Weed Infestations in Southwest Oklahoma Cotton L.D. Smith	369
Documentation of Weed Infestation Levels in Tennessee Cotton R.M. Hayes and P.A. Richard	370
COTTON ECONOMICS AND MARKETING CONFERENCE
U.S. and World Cotton Outlook Russell G. Barlowe	372
The Outlook for New York Cotton Futures Prices Walter J. Brown	377
U.S. Pima Outlook Matthew S. Laughlin	379
Economic and Fiber Demand Outlook for 1990 J. Berrye Worsham	382
Developments in Export Competitiveness of U.S. Cotton M. Dean Ethridge	385
Analysis and Evaluation of the Impacts of Cotton Harvesting Dates in the Southern High Plains of Texas Eduardo Segarra, Wayne Keeling, and John R. Abernathy	386
Sources of Rising Unit Costs of Producing Cotton in the Texas High Plains Marcus S. Bednarz and Don E. Ethridge	390
Increased Revenue Expected from Reducing Cotton Row Spacing from 40 Inches to 30 Inches in the Rio Grande Valley Merritt J. Taylor, Marvin D. Heilman and L. Neal Namken	393
Results of On-Farm Study of Center-Pivot Irrigation of Cotton in the Delta Area of Mississippi J.G. Hamill, T.R. Baldridge, G.R. Tupper, S.W. Neill, D.A. Pennington, and H.C. Pringle III	395
Implicit Nutrient Prices and Economies of Size in Cotton Fertilizer Use Kenneth H. Mathews, Jr.	398
Aggregate Impacts of the Boll Weevil Eradication Program on Production, Price and Government Program Costs Stephen G. Brown, Patricia A. Duffy, and C. Robert Taylor	402
Formulation of Socially Efficient Economic Injury Levels for Insecticide Use in IPM J.R.C. Robinson and R.D. Lacewell	405
Alternative Option Hedging Strategies Wendell Wood	410
An Economic Analysis of Lint Weight and Fiber Properties by Fruiting Position Diana M. Danforth, Mark J. Cochran, J.R. Phillips, John Bernhardt, and Jack Haney	412
An Economic Analysis of Alternative Pest Management Strategies for Cotton and Associated Yield Probabilities Kenneth W. Paxton, David R. Lavergne and Gene Burris	421
Economic Adjustments of Cooperative Oil Mills Bruce J. Reynolds	425
Hedging Ratios for All Futures Delivery Months: Memphis, Dallas, and Lubbock Price Quotes, 1970-1988 C.E. Shafer and C.G. Anderson	428
Dynamically Optimal After-Tax Cotton Marketing Strategies: A Stochastic Dynamic Programming Analysis of Arizona Cotton Producers Russell Tronstad	431
Estimating Future Cotton Fiber Quality Requirements Edward H. Glade, Jr. and Harold Stults	436
The Economic Value of Fiber Properties Jerry Olson	438
Farm Finance Outlook Duane Hacklander and Gregory Hanson	440
Estimated Debt Carrying Capacity of Cotton Farms in Northeast Louisiana Lonnie Vandeveer, Kenneth Paxton, and David Lavergne	442
Costs of Producing Cotton Harold Stults and Dargan Glaze	445
Characteristics of High and Low Costs Cotton Producers in the U.S. Dargan H. Glaze, Michael E. Salassi, and Ken Mathews	448
Trends in U.S. Upland Cotton Exports Scott O. Sanford	451
Will Current Reforms in the Soviet Union and East Europe Lead to Larger Cotton Demand in the 1990's? Carolyn L. Whitton	456
Analysts of Factors Affecting Upland Cotton Yields Leslie A. Meyer and Scott Sanford	461
Cotton Market Responses to 1985 Food Security Act, Dollar Devaluation and U.S. Weather Disturbances Dean T. Chen and Carl G. Anderson	464
The Weight Loss Associated with Defoliated Cotton and its Implications D.W. Parvin, Jr.	469
The Importance of Harvest Initiation Date D.W. Parvin, Jr.	471
Federal Crop Insurance and the 1990 Farm Bill: Implications for Cotton Joseph W. Glauber and Joy Harwood
The Outlook for the 1990 Farm Bill and Potential Impacts on U.S. Cotton Production and Consumption Panel Discussion
Engineering Cost Study for Cotton Ginning in the Mid-South Cary W. Herndon, Jr. and R. Andrew Day
Comparison of Ginning Costs in Roller and Saw Gin Plants Cary W. Herndon and Herbert W. Wilcutt
Employment and Welfare Effects of U.S. Quotas on Textiles Carl L. Dyer
Import and Export Elasticities of Cotton Revisited Carl L. Dyer
COTTON SOIL MANAGEMENT AND PLANT NUTRITION CONFERENCE
Nitrogen Management for Cotton Production with Preplant and Delayed Sidedress Applications M. Wayne Ebelhar	478
Nitrogen Fertilization of Four Cotton Cultivars Grown on a Clay Soil H.J. Mascagni, Jr., J.S. McConnell, and R.L. Maples	478
Effects of Different Ratios of Pre-Plant and Delayed Sidedress Applications Eddie R. Funderburg	482
Effect of Starter Composition and Placement on Cotton in Georgia Steven C. Hodges and Shelby Baker	483
Cotton Response to Winter Annual Cover Crops and N Fertilization P.J. Bauer and S.H. Roach	484
Potassium Requirements for Cotton Following Alfalfa G.L. Mullins and C.H. Burmester	484
Regional Differences in Fertilizer Use and Production Practices for Cotton Producers Mir B. Ali, Dargan Glaze, and Ken Mathews	486
A Comparison of GOSSYM-COMAX™ to Arkansas and Tennessee Recommendations for Cotton Production D.D. Howard, T.C. Keisling, P.E. Hoskinson, and R.L. Maples	488
Computers Techniques Used to Enhance the Delivery of Cotton Nitrate Monitoring Results T.C. Keisling, S.D. Carroll, and R.L. Maples	488
A Comparison of Long-Term N Rate Studies with Estimated GOSSYM/COMAX Yields T.C. Keisling, R.L. Maples, and J.J. Varvil	488
Cotton Nitrogen Management on Clay Soil: Petiole Nitrate Monitoring Versus GOSSYM/COMAX E.D. Vories, D.M. Oosterhuis, and C.M. Bonner	488
Influence of Cropping Systems on Cotton Yields and Fiber Quality J.E. Matocha and F.L. Hopper	489
Effects of Winter Cover Crops on Cotton Yield and Selected Soil Properties Terry C. Keisling, H.D. Scott, B.A. Waddle, W. Williams, and R.E. Frans	492
Evaluation of Conservation Tillage Cotton Systems on the Texas Southern High Plains J.W. Keeling and J.R. Abernathy	496
Lint Yield Correlation to Soil P and K from On-Farm Irrigation Studies in the Mississippi Delta G.R. Tupper, J.G. Hamill, H.C. Pringle III, D.A. Pennington, and S.W. Neill	496
Solute Movement in an Irrigated Cotton Production System J.C. Silvertooth, J.E. Malcuit, and J.E. Watson	500
Cotton Yield Response to Different Irrigation Scenarios H.C. Pringle III, D.A. Pennington, G.R. Tupper, and S.W. Neill	501
Optimum Irrigation Scheduling for Upland and Pima Cotton in the San Joaquin Valley: Quality and Yield S. Johnson Hake, T.A. Kerby, and D.W. Grimes	501
Pima Cotton in the San Joaquin Valley: An Overview Kater Hake, T.A. Kerby, Stephanie Johnson-Hake, Bruce Roberts, Bill Weir, Ron Vargas, and Linda Payne	504
Effects of Foliar Fertilizers on Hail and Wind Damaged Cotton M.G. Hickey and C.W. Bednarz	505
Cotton Response to Foliar Applied Nitrogen-Calcium Containing Solution Jerry H. Stoller	507
The Benefits of a Starter Fertilizer High in Phosphate That Can Be Sprayed on the Leaves of Seedling Cotton James W. Chiles and J. Larry Chiles	511
COTTON GINNING CONFERENCE
Improving Quality under a Modern Grading System-Changes to Expect -- 1991 and Beyond William Mayfield	514
Improving Quality under a Modern Grading System: How Will Producers and Ginners Respond? Kenneth Hood	514
The Role of Gin Machinery Manufacturers in Improving Cotton Quality D.W. Van Doorn	515
Improving Quality under a Modern Grading System: A Customer's View Chess Howard	517
Drying, Moisture Control and Cleaning for Textile Machinery in the 1990's William F. Lalor	518
Preserving Quality with Proper Management of Modules and Covers M. Herbert Wilcutt	521
New Technology for Gins Robert W. Greene and Fred Johnson	523
How the Ginning Industry Is Dealing with New Regulations P.J. Wakelyn and Fred Johnson	525
California's Underground Storage Tank Regulation and Toxic Hot Spot Emission Inventory Regulation K.B. Smith	527
Federal Motor Carrier Safety Act Sharon Hull	528
What Determines Your Rates for Workers Compensation Tomy M. Smith	533
Worker Compensation: Louisiana's Self-Insurance Program John Shackelford	534
Louisiana's Mandatory Safety Program Lee Todd	535
Workers' Compensation: Legislative Reform in Texas Tony D. Williams	536
Outlook for Premium Cottons Jesse W. Curlee	538
Marketing Roller-Ginned Upland Cotton Bruce Groefsema	539
Dealing with Spindle Twist, Seedcoat Fragments, Motes, Poor Preparation, Neps, and Short Fiber in Pima Cotton Carl V. Feaster	540
Conditioning Seed Cotton for Roller Ginning M.N. Gillum and C. Owen	541
Fiber and Yarn Effects of Roller Versus Saw Ginning S.E. Hughs and W.F. Lalor	542
Recent Developments in Roller Ginning and Lint Cleaning S.E. Hughs	547
Cage Gin for Upland and Pima Cotton L.H. Wilkes, M.L. Mehner, and W.F. Lalor	547
Operating and Managing Roller Gins Charles C. Owen	550
The "Prep" Problem in Extra Long Staple (Pima) Cotton D.W. Van Doorn	551
Precise Instruments to Measure Fiber Quality C.K. Bragg
Gin Emission Regulations Timothy K. Keilty
COTTON QUALITY MEASUREMENT CONFERENCE
A National Data Bank for Marketing Cotton Chess Howard	554
How Cotton Producers Can Benefit from HVI Steve Verett	554
The Growing Use of HVI Internationally L. Hunter	556
Changing Cotton Quality Demands in Industry C.K. Bragg and C.L. Simpson	556
Cotton for High-Tech Spinning - What Does the Spinner Expect from HVI? Helmut Deussen	558
Advancements in Engineered Fiber Selection Charles H. Chewning, Jr.	561
Improving the Between-Laboratory Agreement for High Volume Instrument Data Preston E. Sasser	563
Video Trashmeters in Grading Cotton Fred S. Mullins	566
Bark Removal in Textile Processing C.L. Simpson and C.K. Bragg	568
Investigating Trash Shapes in Preparation for Measuring Bark and Grass in Cotton M.A. Lieberman	571
Identification and Measurement of Bark in Seed Cotton by Image Analysis A.D. Brashears, R.V. Baker, and C.H. Stewart	572
Some Observations on Cotton Lint Sugar Levels and Minicard Stickiness D.L. Shaw and H.H. Perkins, Jr.	572
Development of a Computerized Cotton Strength/ Elongation Measurement to Evaluate Bundle Extension Speed L.C. Godbey, R.A. Taylor, and R.S. Brown	574
Strength of Cotton Fiber Bundles at Different Extension Rates Roger S. Brown, Robert A. Taylor, and Luther C. Godbey	581
An Update on the Evaluation of the Spinlab HVI Richard S. Krowicki and Devron Thibodeaux	586
Single Fiber Strength at Different Extension Rates Preston E. Sasser and Frederick M. Shofner	586
The Effects of Variation in Humidity on HVI Strength Values Geoffrey Wilde	592
Role of Bundle Strength in Predicting Yarn Strength Moon W. Sun and Charles K. Bragg	593
Elongation of Cotton Fiber Bundles at Different Extension Rates Robert A. Taylor, Roger S. Brown, and Luther C. Godbey	599
Parameterizing Fiber Breakage by Comparison of Length Distributions Kearny Q. Robert and Lawrence J. Blanchard	604
A Comparison of Yarn Tenacity Data Obtained Using the Using Tensorapid, Dynamat II, and Scott Skein Testers Lloyd B. De Luca and Devron P. Thibodeaux	604
1987-88 Cotton Color Grades as Related to Fiber Quality and Fabric Dyeability Oscar Hinojosa, Devron P. Thibodeaux, Harmon H. Ramey, and Steven M. Buco	605
Predicting Dye Defects from Measurements of Single Fiber Maturity Distributions D.P. Thibodeaux, P.M. Shofner, and L. Cheek	605
How Cotton Variety and Specimen Preparation Affect the Fineness of Fibers Selected for HVI Strength Testing Robert A. Taylor	605
Linking the FMT III to HVI Systems Harvin R. Smith	610
FMT Measurement in Mill Practice: Importance, Specific Problems and Corrective Action Chris Faerber	611
The Development of a Computerized Instrument for Measuring Cotton Fineness and Immaturity K.E. Duckett, J.Cain, R.S. Krowicki, and D.P.Thibodeaux	614
A Comparison of Computer Instrumented Cotton Fineness/Immaturity Measurements with Those from the Arealometer K.E. Duckett, J. Cain, R.S. Krowicki, and D.P. Thibodeaux	617
Measurement of Cotton Fiber Maturity and Fineness by NIR Spectroscopy. Part II: Data Analysis Steven M. Buco, Joseph G. Montalvo, Jr., and Sherman E. Faught	621
Measurement of Cotton Fiber Maturity and Fineness by NIR Spectroscopy. Part I: Spectral Simulation Joseph G. Montalvo, Jr., Sherman E. Faught, and Steven M. Buco	621
JOINT SESSION: COTTON IMPROVEMENT CONFERENCE AND COTTON PHYSIOLOGY CONFERENCE
Changes in Microtubule Number and Organization During Cotton Fiber Development Robert W. Seagull	624
Late Cotton Fiber Development-IAA Jean Gould, Harold Slater, Maria Bergasco, and Roberta Smith	624
Fiber Cell Wall Components Influencing Cotton Fiber Growth B.A. Triplett	624
Physiological Responses of Cotton Fibers Grown In Vitro under Cycling Temperature Regimes N. Rama Rao, Eric Roberts, Norma Trolinder, and Candace H. Haigier	625
Relationship Between Molecular Weight Distributions and Strength in Cotton Fiber Judy D. Timpa	626
The Relationship Between Reversal Frequency and Fiber Strength in Cotton Robert W. Seagull and Judy D. Timpa	626
Changes in Cell Morphology after Treatment of Cotton Cell Suspensions and Ovule Cultures with 2-Chloroethyl Phosphonic Acid G. Davidonis	626
Cottonseed Characteristics and Seed-Coat-Fragment Contamination J.D. Bargeron	627
Pre-Harvest Prediction Equations for Cotton Fiber Length, Micronaire and Strength D.E. Warrick, D.F. Wanjura, and J.R. Gipson	627
Relationship Between Stem Succulence and Bark Sloughing H.J. Hopkins, D.R. Krieg, and G.M. Jividen	630
Selection of Temperature Resistant Cell Likes of Cotton and Regeneration of Plants Norma L. Trolinder and Xaio-Min Shang	634
Cell Wall Proteins of Expanding and Fully Expanded Leaves of Cotton after Stress Alesia Reinisch, Norma Trolinder, Tze-Chen Hsieh, and Wen Chung Wang	634
Binding of agrobacterium Strains to Cotton Genotypes James B. Porter and James McD. Stewart	635
Transgenic Cotton Plants: Field Test Preparations and New Developments in Insecticidal Proteins P.F. Umbeck, K.A. Barton, J.N. Jenkins, and W.L. Parrott	635
Field and Laboratory Evaluations of Transgenic Cotton Strains Containing a Gene from Bacillus thuringiensis Kurstaki Strain HD-1 Johnie N. Jenkins, W.L. Parrott, Paul Umbeck, and Ken Barton	635
Procaine (Novocaine™) Affects Seed Germination and Plant Development and Production H.W. Gausman, J.E. Quisenberry, and R.E. Dilbeck	635
Gel Permeation Chromatography of Crystalline Cellulose from the Secondary Wall of Intact Cotton Fibers G.A. Greenblatt, R.J. Kohel, and C.R. Benedict	639
The Correlation of the Molecular Weight (MW) of Crystalline Cellulose with the Tensile Strength of Cotton Fibers C.R. Benedict, G.A. Greenblatt, P. Thaxton, R.J. Kohel, and Gay Jividen	639
The Synthesis of Cellulose in a Cotton Fiber Mutant Chan R. Benedict, G.A. Greenblatt, N.A. Densmore, R.J. Kohel, and Gay Jividen
Introductory Study of Structures of Cotton Notes and Fibers Wilton R. Goynes, Bruce F. Ingber, and D.P. Thibodeaux
JOINT SESSION: COTTON PHYSIOLOGY CONFERENCE, COTTON WEED SCIENCE RESEARCH CONFERENCE, COTTON IMPROVEMENT CONFERENCE, COTTON ENGINEERING-SYSTEMS CONFERENCE
Incorporating Ethephon Temperature Interactions in GOSSYM/COMAX V.R. Reddy, K.R. Reddy, and D.N. Baker	642
Simulation of Pix® and Prep® Effects Using GOSSYM F.D. Whisler, V.R. Reddy, and D.N. Baker	642
Modeling Mepiquat Chloride-Temperature Interactions on Cotton J.M. McKinion, V.R. Reddy, and D.N. Baker	642
The Effect of Time of Application and Chemical(s) for Defoliation on Cotton Seed Germination C.C. Baskin, C.E. Snipes, S. Paliwal, and B. Rosso	643
Effect of Temik and Prep on Cotton Boll Development and Fiber Properties George W. Cathey, William R. Meredith, Jr., and William P. Scott	644
Cotton Response to Multiple Applications of Pix - Mississippi Field Results William H. McCarty, A. Blaine, J.R. Rhea, S. Wise, and D. Varner	645
Evaluation of Multiple Application of Pix in Central Texas R.B. Metzer and Larry Wilde	646
Multiple Applications of Pix - A Three Year Summary Bill Weir, Tom Kerby, and Carol Lambert	649
The Effects of Pix Multiple Applications on Fiber Quality and Boll Position in Irrigated Cotton Stephen D. Livingston and Larry B. Wilde, Jr.	650
Evaluation of Single and Multiple Applications of Pix in Mississippi T.P. Wallace, B.W. White, C.E. Snipes, and F.M. Bourland	650
Effects of Multiple Pix Applications on Cotton Growth and Yield C.H. Burmester and J.F. Adams	653
Multiple Applications of Pix and Boll Set Russell W. Hayes, Johnie N. Jenkins, and Charles E. Snipes	653
Effect of Nitrogen Fertilizer Applications and Pix Treatments on Cotton Growth and Development Thein Han, J.T. Cothren, and F.M. Hons	654
Pix Variety Test Scott, Mississippi, 1989 D.W. Parvin and L.R. Cox	655
Effects of Row Spacing, Tillage, Pix and Prep on Lint Yield of Stoneville 825 Cotton. P.E. Haskinson	656
Predicting Cotton Response to Mepiquat Chloride David S. Guthrie	657
The Effect of Pix on the Rate of Growth D.W. Parvin and L.R. Cox	657
Predicting Pix Response Using the Expert System Calex/Cotton Tom Kerby, Dick Plant, Wallace Hofmann, and Dwayne Horrocks	658
Foliar Triggrr® on Cotton: A Comprehensive Statistical Review L.W. Parker and P.L. Salk	659
Prep Performance under Short Season Production Systems on the Texas High Plains Robert E. Glodt
JOINT SESSION: COTTON ENGINEERING-SYSTEMS CONFERENCE AND COTTON GINNING CONFERENCE
Seed Cotton Cleaning Versus Lint Cleaning Eugene P. Columbus	662
Ginning, Opening, and Carding of Cotton with Different Harvest Conditions P.D. Bel, B.T. Vinyard, K.Q. Robert, and Eugene P. Columbus	665
Lint Cleaning in the Cotton Textile Mill Vs. The Gin Kearny Q. Robert, Yehia E. El-Mogahzy, W. Kenneth Lynch, W. Stanley Anthony, Charles L. Shepard, A. Paul S. Sawhney, and George F. Ruppenicker	665
Performance of Air-Type Lint Cleaners in Reducing Motes and Seed-Coat Fragments Gino J. Mangialardi, Jr.	669
Comparison of Dref-3 Cotton Yarns Produced by Varying Yarn Core Ratios and Feed Rates L.B. Kimmel and A.P.S. Sawhney	674
Sensitivity Analysis of Overhead Cleaning Parameters Used in Ginqual Gary L. Barker	678
Field Evaluation of Color/Trash Meters for Cotton Gins: A Progress Report W. Stanley Anthony	681
JOINT SESSION: COTTON ENGINEERING SYSTEMS CONFERENCE AND COTTON GINNING CONFERENCE
Feasibility of Separating Cotton by Quality in Seedcotton Cleaning Machines Weldon Laird, E.P. Columbus, and Charles K. Bragg	682
Multistage Trash Extractor for Cotton Gins R.V. Baker and W.F. Lalor	682
Effect of Moisture on Moduled Seed Cotton Robert Curley, Bruce Roberts, Tom Kerby, Clay Brooks and Jerry Knutson	683
Heat Induced Color and Dyeability Changes in Raw Cotton Donald E. Brushwood	687
A Review of Cotton Gin Trash Disposal and Utilization J. Alex Thomasson	689
Sliver Weight Control on the Cotton Card Robert E. Harrison	706
Engineering and Evaluation of a Unique Cotton-Covered/polyester-Staple-Core Yarn A.P.S. Sawhney, K.O. Robert, G.F. Ruppenicker, R.J. Harper, and L.B. Kimmel	707
SPECIAL SESSION: FREE AIR CARBON DIOXIDE ENRICHMENT APPLIED TO COTTON (FACE)
Face Facility Engineering Performance in 1989 Keith Lewin, Zbignew Kolber, and George Hendry	714
Spatial Distribution of CO2 Within the Face Array Deorge Hendrey, Keith Lewin, and Zbignew Kolber	714
Performance Analysis of the FACE Gas Injection System Fred Lipfert, George Hendrey, Keith Lewin, Mary Daum, and Yehudah Alexander	714
Predicting Carbon Dioxide Spatial Distribution Within the Vertical Vent Pipe Face Plots with a Two-Dimensional Transport Model L.H. Allen, Jr.	715
Crop Management and Growth and Yield Responses of Cotton to the Face Environment Jack. R. Mauney	716
Gas Dispersion Studies Within the Face Array Fred Lipfert, George Hendrey, and Yehudah Alexander	716
Natural and Induced Variations in CO2 Concentrations in the Maricopa Face Experiment Yehudah Alexander, Ness Ziona, Frederick Lipfert, and George Hendrey	716
Relationships Between Carbon Dioxide Enrichment and Reproductive Yield Lance S. Evans	716
In Situ Measurements of Canopy Reflectance for Evaluating Cotton Responses to Free Air Carbon Dioxide Enrichment Paul J. Pinter, Jr., Robert J. Anderson, Bruce A. Kimball, and Jack R. Mauney	717
Leaf and Boll Temperatures in the Face Experiment Bruce A. Kimball and Paul J. Pinter, Jr.	720
Xylem Potential Measurements in the Face Environment Nick Bhattacharya, Doug Hileinan, S. Bhattacharya, and P.K. Biswas	720
Leaf and Canopy Photosynthesis in Field-Grown in Ambient and Face Conditions Douglas R. Hileman, N.C. Bhattacharya, Navin Sinha, P.K. Biswas, Gary Peresta, and Bruce Kimball	720
Cotton Root Response to Free-Air Carbon Dioxide Enrichment Hugo H. Rogers and Stephen A. Prior	721
Influence of Elevated CO2 on Cotton Leaf Starch Donald L. Hendrix, Dwayne Fink, and Jack Mauncy	721
Predicting the Growth and Productivity of Cotton in a Future "Greenhouse World": Development of a Physiological Model J.S. Amthor and B.A. Kimball	724
Arthropod Damage to Cotton Grown in a Free Air Carbon Dioxide Enrichment (Face) Environment D.H. Akey	724

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Document last modified Sunday, Dec 6 1998