PROCEEDINGS OF THE 1983 BELTWIDE COTTON PRODUCTION RESEARCH CONFERENCE
	Jan. 5-8, San Antonio, TX Editors C. Paul Dugger & Debbie A. Richter
TABLE OF CONTENTS

COTTON DISEASE COUNCIL
Comparative Effects of Defoliating and Non-Defoliating Pathotypes of Verticillium dahliae in Greenhouse and Field Grown Cotton in Relation to Plant Water Status and Disease Development Dean D. Tzeng and J. E. DeVay	17
Epidemiological Studies on Fusarium Wilt of Cotton J.E. DeVay, R.H. Garber, G.S. Pullman, S.N. Smith, and P. Goodell	17
Field Evaluations of Propiconazol for Controlling Phymatotrichum Root Rot of Cotton in Arizona R.S. Whitson, R.B. Hine, and S.D. Lyda	18
Field Evaluations of Propiconazol for Controlling Phymatotrichum Root Rot of Cotton in Texas J.T. Mathieson, S.D. Lyda and R.B. Hine	19
Response of Cotton to Soil Applications of Propiconazol at Several Rates and Placement Distances J.T. Mathieson and S.D. Lyda	19
Effectiveness of Symbiotic Microorganisms from Seedling Roots of Tamcot CAMD-E in Simulating Resistance to Phymatotrichum Root Rot under Field Conditions G.R. Lazo, L.S. Bird, P. Thaxton, and R.C. Percy	19
An Analysis of Phymatotrichum Root Rot Progression During Wet and Dry Years K.S. Arthur and S.D. Lyda	19
Cotton IPM in Arkansas: Multiple Pest Sampling Rickie Sterne and Plea Spradley	20
Greenhouse and Field Studies on Sclerotial Development by Phymatotrichum Omnivorum S.D. Lyda and J.H. Keithly	20
Comparative Methods for Isolation of Mitochondria from Phymatotrichum Omnivorum J.H. Keithly and S.D. Lyda	20
In Situ Observations of Phymatotrichum Omnivorum C.M. Rush, D.R. Upchurch, and T.J. Gerik	20
Differential Inheritance of Resistance to Southwestern Cotton Rust in Plant Parts of Upland Cotton R.G. Percy and L.S. Bird	21
The Influence of Cropping Sequences on Population Levels of Meloidogyne incognita Host Races T.L. Kirkpatrick and J.N. Sasser	21
A Technique for Observing Infection of Cotton Roots by Germinating Oospores of Pythium ultimum L.F. Johnson and Teresa Arroyo	22
Effects of Meloidogyne Incognita on Cotton and Cowpeas in Rotation L.W. Duncan and H. Ferris	22
Estimation of Losses Due to Seed and Seedling Diseases John M. Halloin	26
Modeling Disease/Loss Relationships L.V. Madden	28
Use of Pathogen Control Measures for Estimation of Seedling Disease Losses R.H. Garber	28
Genetic Improvement and Management to Reduce Seedling Disease Losses L.S. Bird	28
Seed and Seedling-Related Factors Influencing Disease and Yield of Soybeans D.C. McGee	32
The Economic Benefits of Seed Treatments H.V. Morton	32
Fungicide Seed Treatments That Control Specific Pathogens Affect Stands and Yield of Cotton Earl B. Minton	34
Resistance to Bacterial Blight Caused by Treatments of Symbiotic Bacteria from MAR Cottons K.M. El-Zik, L.S. Bird, C. Liverman, P. Thaxton, G.R. Lazo, and R.G. Percy	35
Response of Cotton Cultivars to the Seedling Disease Complex and Stand Establishment under Two Soil Temperatures T.P. Wallace, K.M. El-Zik, and L.S. Bird	35
COTTON PHYSIOLOGY CONFERENCE
Influence of Seed Source and Mepiquat Chloride on Cotton Seed Emergence D.W. Albers and J.T. Cothren	38
Evaluation of Several Tests to Determine Seed Quality of Cotton Harmon L. Staus and Norman W. Hopper	38
Irrigation Scheduling in Drip Irrigated Cotton A.D. Matthias, D.A. Pennington, and W.C. Hofmann	40
Flowering, Boll Set, and Yield in Drip Irrigated Cotton in Arizona R.E. Briggs, M.A. Maatoug, and W.C. Hofmann	43
Population Density Affects the Development of Plant Structure and Yield H.R. Leffler	45
Fruiting Site Production and Fruit Retention S.K. Hicks and D.R. Krieg	45
Some Effects of Removal on the Productivity of Cotton in Arizona Jack R. Mauney	46
Fruiting Characteristics, Yield, and Fiber Quality of Rapid Fruiting Cotton Strains in South Texas L.N. Namken	46
Comparative Physiology of Obsolete and Modern Cotton Cultivars Randy Wells and William R. Meredith, Jr.	47
Growth and Physiology of Six Exotic Cotton Strains in a Rainout Shelter V.R. Isbell, J.L. Mabry, C.A. Kelly, M.D. Gerst, C.W. Wendt, and J.E. Quisenberry	47
Yield Response to Leaf Size and Related Leaf Traits in Cotton C.A. Ray, K.R. Keim, and J.E. Quisenberry	47
Soil and Plant Nutrient Status in Arizona Cotton D.A. Pennington, B.B. Taylor, and D. Lengyel	48
Nitrogen Fertility and Soil Salinity in Drip Irrigated Cotton D.A. Pennington and R. Briggs	49
Variation in Nitrate-Nitrogen Levels in Cotton Petioles D.A. Penninton, J.A. Tabor, and A.W. Warrick	50
Use of High Analysis Phosphorus and Potassium Foliar Nutrients on Irrigated Cotton H. Walden and T. Stemwedell	52
Influence of Nitrogen Rate, Irrigation Regime, Row Spacing, and Pix® on Boll Periods T.A. Kerby, H. Yamadi, K. Brittan, and A. Hyer	53
Assessing Salinity Stress in Exotic Cotton Strains A. Lauchli and G. L. Bigman	54
Effect of a Plant Growth Regulator on Cotton Plants' Temperature Tolerance H.W. Gausman, S.Y. Huang, and F.R. Rittig	54
Fleahopper Induction of Stress Ethylene Production in Cotton P.W. Morgan, P.D. Powell, M.P. Grisham, W.L. Sterling, and L. Cooper	54
Results of Chlordimeform Yield Enhancement Trials in Northeast Louisiana Stephen H. Crawford, Charles B. James, Jack L. Baldwin and Thomas A. Burch	55
Yield Enhancement Effects of Chlordimeform on Cotton G.W. Cathey and J.C. Bailey	55
1982 Chemical Termination Experiments at Brawley C.F. Ehlig, T.J. Henneberry, and L.A. Bariola	56
Methomyl's Role in Cotton Leaf Senescence D.S. Guthrie and J.T. Cothren	58
Soil Moisture Levels in Drip Irrigated Cotton W.C. Hofmann, B.B. Taylor, C.J. Cain, and D.A. Pennington	58
Variability in Root Morphology in Exotic Cottons B.L. McMichael, J.J. Burke, Jerry Berlin, and J.E. Quisenberry	59
Epidermal Cell and Stomatal Cell Number as Influenced by Water Stress and Genotype Susan L. Middleton, Jerry D. Berlin, and J.E. Quisenberry	60
Effect of Stress on Subcellular Structure of Cotton Leaves Jerry Berlin and J.E. Quisenberry	60
Chlorophyll a Fluorescence Transients of Cotton Leaves as an Indicator of Adaptation to Alter Stress J.J. Burke and J.E. Quisenberry	60
Cotton Canopy Temperatures and Plant Water Status D.F. Wanjura, C.A. Kelly, and C.W. Wendt	61
Influence of Water Deficits on Flowering and Boll Retention G. Guinn and J.R. Mauney	61
Osmotic Potential and Membrane Thermostability During Drought P. Shouse, W.R. Jordan, and J.E. Quisenberry	62
Genetic Relationships Between Turgor Maintenance and Growth J.E. Quisenberry, G.B. Cartwright, and B.L. McMichael	62
Photosynthetic Limitations in Water-Stressed Cotton Hutmacher, R.B., G.J. Hamilton, and D.R. Krieg	63
Levels of Rubisco in Different Ploidy Cottons C.R. Benedict, J.H. Keithly, B.G.S. McCalla, A.M. Schubert and E.J. Kohel	63
Glycerophosphatase Activity During Fiber Initiation P.A. Joshi, J. McD. Stewart and E.T. Graham	63
The Roles of Alpha-Amylase in Starch Metabolism in the Cotton Plant Chong W. Chang	64
A Quantitative Method for Gossypol and its Analogs Bock G. Chan, Noreen Mahoney, and A.C. Waiss, Jr.	64
Ultrastructure of Membranes in Radicle Tissue of Dry Cotton Seeds Eugene L. ViGil, Russell L. Steerel, William P. Wergin, and Meryl N. Christiansen	66
High Frequency Somatic Embryogenesis in Cotton R.H. Smith, J.J. Finer, and A.A. Reilley	66
Callus Initiation and Somatic Embryogenesis from Mature Cotton (Gossypium klotzschianum, Anderss.) Plants John J. Finer and R.H. Smith	66
Techniques to Induce Rooting and Double Chromosome Complement in Cuttings from Cotton and its Hybrids Cecilia Hsu and J. McD. Stewart	66
COTTON IMPROVEMENT CONFERENCE
Damage to Two Cotton Cultivars by Heliothis When Infested at Different Times During the Growing Season J.C. McCarty, Jr., J.N. Jenkins, and W.L. Parrott	70
An Evaluation of Cotton Genotypes for Field Resistance to Heliothis Species S.J. Stringer and J.E. Jones, D.F. Clower, E. Burris, and S. Micinski	70
Breeding Cotton for Resistance to Heliothis virescens Johnie N. Jenkins, W.L. Parrott, and J.C. Mcarty, Jr	70
Interaction of High Tannin with Bollworm Control by Pydrin and Dipel M.F. Schuster, P.D. Calvin and W.C. Langston	72
Studies on the Rate of Metabolism of Dietary Gossypol and Tannin Fed to the Tobacco Budworm W.L. Parrott, P.A. Hedin, J.N. Jenkins, and J.C. McCarty, Jr.	73
Effect of a Plant Growth Regulator Mepiquat - Chloride (Pix) on Host - Plant Resistance to Heliothis zea in Cotton G.R. Zummo, J.H. Benedict and J.C. Segers	73
A Comparative Mode of Action of on Terpene Aldehydes and Flavonoids on the Heliothis Complex and Spodotera frugiperda Bock G. Chan, Noreen Mahoney, A.C. Waiss, Jr., and Jim Baker	74
Yield Reduction in Upland Cotton Due to Pink Bollworm Infestation and Boll Rot K.E. Fry and T.J. Henneberry	77
Pink Bollworm Oviposition on Resistant and Susceptible Cotton Plants F.D. Wilson, B.W. George and J.L. Szaro	80
Correlation Between Fusarium Wilt Resistance in Cotton and Resistance to Root-Knot Nematodes Raymond L. Shepherd	80
Effect of Plant Bug Nymph Densities on Yield of Cotton Genotypes Jack C. Bailey	81
Progress in Breeding Frego-Nectariless Cottons for Reduced Plant Bug Sensitivity J.E. Jones, D.F. Clower, E. Burris, J.G. Marshall and S.J. Stringer	81
Boll Weevil Control Through Trap Cropping and Host Plant Resistance in Northeast Louisiana E. Burris, D.F. Clower, J.E. Jones, and S.L. Anthony	83
A Slide Rule Based on Heat Units Incorporating Cotton and Insect Phenology Models and its Utilization I. Crop Management K. M. El-Zik and V. Sevacherian	86
A Slide Rule Based on Heat Units Incorporating Cotton and Insect Phenology Models and its Utilization II. Insect Management V. Sevacherian and K.M. El-Zik	87
Gametophyte Behavior as a Reflection of Sporophytic Characteristics in Gossypium hirsutum. Nick Gawel and Carol Robacker	88
Progress in Mapping Breakpoints and Recovering Duplications and Deficiencies from Cotton Chromosome Translocations M.Y. Menzel and K.L. Richmond	88
Characteristics and Cytogenetics of Gossypium hirsutum X G. Populifolium James Mc Stewart	91
Interspecific Hybridization in Cotton: Recovery of Wild Species Cytoplasms P.F. Umbeck and J. McD. Stewart	91
Ultraviolet Photography and its Potential in Hybrid Cotton Development R. Gary Smith and John R. Gannaway	91
Is There Much Genetical Room Left for Hybrid Cotton? Joshua A. Lee	92
Transfer of Pollen by Bees in Hybrid Cotton Seed Fields in Arizona Gerald M. Loper, Gordon D. Waller, and Dick D. Davis	94
Effect of Row Pattern on Cotton Flower Visitation by Bumble Bees J.B. Weaver, Jr.	94
Transfer of the Pima Enhancer Factor into Cytoplasmic Male Sterile Lines Thea Wilkins and J.B. Weaver, Jr.	96
Developmental Characteristics of Earliness in Upland Cotton C. Wayne Smith	98
A Program to Develop Drought Tolerant Cotton Germplasm R.E. Dilbeck and J.E. Quisenberry	98
Fruit Development in Different Maturity Types of Upland Cotton Bobby J. Phipps	99
Effects of Defoliants and Application Timing on Cotton Yield and Quality Ted Whitwell and S.M. Brown	100
Genetics Effects of Stripper Harvested Bur Cotton A.D. Brashears, J.E. Quisenberry, R.V. Baker, and J.W. Laird	100
Genetic Effects of Ginning Performance R.V. Baker, A.D. Brashears, J.W. Laird, and J.E. Quisenberry	101
Genetic Effects Related to Cotton Yield and Quality Weldon Laird, R.V. Baker, J.E. Quisenberry, and A.D. Brashears	101
Morphological Traits Related to Harvest and Gin Performance J.E. Quisenberry, R.E. Dilbeck, J.W. Laird, A.D. Brashears, and R.V. Baker	101
Effects of Whitefly Contamination on Lint Quality of U.S. Cottons Henry H. Perkins, Jr.	102
Improved Fiber and Other Traits in New Multi-Adversity Resistant Cottons L.S. Bird, K.M. El-Zik, R.G. Percy, P. Thaxton, J.H. Benedict, L. Reyes, R.A. Creelman, L.E. Clark, C.M. Heald, and A.J. Kappelman, Jr.	103
Potential for Double Cropping with Short-Season Cotton in Subtropical South Texas M.D. Heilman and L.N. Namken	105
Yield of Cotton Cultivars in Relation to Heat Units and Rainfall at Mississippi State F.M. Bourland and J.F. Mitchell	105
Apparent Potassium Deficiency B.L. Weir, D.S. Mikkelsen, and T.A. Kerby	108
Inheritance of Fiber Quality in a Semi-Dwarf Composite Population of Cotton (Gossypium hirsutum L.) K.R. Keim and J.E. Quisenberry	108
Similarities of Variety Responses among Regional Cotton Variety Test Locations H.H. Ramey, Jr., S. Buco, L. Lorica and N. Keith	108
Predicting Fiber Quality on the Texas Southern High Plains M. Sigmund, John R. Gannaway, and Jack R. Gipson	108
The Effects of Span Length on Uniformity Index R.S. Krowicki	109
Effect of Heterozygous and Heterogenous Populations of Normal and Okra Leaf Cottons on Yield William R. Meredith, Jr.	109
A Storm-Resistant Acala 1517 Cotton for New Mexico N.R. Malm and C.E. Barnes	109
Cotton Agro-Ecosystem of Central Sind, Pakistan Barkat Ali Soomro, Ahmad Ali Baloch, and Ali Mohammad Kalroo	110
Effects of Cropping Systems on Lint Yields, Fiber Properties and Certain Soil Chemical Properties J.E. Matocha, M.A. Norden, and R.C. Bennett	114
Bollworm Resistance in Red Leaf Cotton H.L. Bhardwaj and J.B. Weaver, Jr.	117
AGRICULTURAL ENGINEERS REGIONAL RESEARCH COMMITTEE
Tillage and Controlled Traffic Studies with the Stoneville Wide Bed System J.R. Williford	122
Energy Requirements for a Selected Implement Lowray A. Smith	123
Three Point Hitch Draft Control Systems Max R. North	124
Effect of Acid Residue on Germination and Vigor of Acid Delinted Cottonseed A.H. Boyd and Prasat Stonsaovapak	126
Effects of Drying Temperature and Neutralization on Germination of Cottonseed Delinted by the Dilute Acid Method E.R. Cabrera and A.H. Boyd	129
Comparison of 30 and 40 Inch Row Production with Spindle Harvest J.R. Williford and W.R. Meredith, Jr.	132
Design and Implementation of a Multi-Unit Secondary Cooling System for Spar Units J.M. McKinion and C.J. Bell	134
Determining the Expected Value of Harvestable Cotton Fruit Throughout the Growing Season via Simulation Ronald W. McClendon, Sarah L. Daniel, and Larry G. Brown	136
Grid Bar Studies and a Feed Control System for a Stripper Mounted Cleaner Lambert H. Wilkes, Kenneth E. Watkins and W.F. Lalor	138
Module Storage of Picked and Stripped Seed Cotton Kirk E. Luckett, S.T. Rayburn, Jr., and George Cathey	140
Cotton Model Calibration Efforts for Stressed Conditions G.L. Barker, D.F. Wanjura and J.E. Quisenberry	142
Spinning Quality of San Joaquin Valley Cotton as Influenced by Stripper Harvesting Compared to Spindle Picking T.A. Kerby, Lyle Carter, Kent Brittan and Ed Hughes	143
Development of a Scanning Type Cotton Trashmeter Using Solid State Technology Robert A. Taylor	144
Economical Control of Cotton Conveyance Noise with Viscoelastic Materials W. Stanley Anthony	150
Preliminary Investigation of Cleanability of Cotton with Varying Degrees of Plant Hairiness S.T. Rayburn, Jr. and Lynn Libous	152
Cotton Trash Separation and Measurement for Market Quality Classification Robert A. Taylor	153
An Image Analyzer for Evaluating Liquid Chemical Applications F.E. Sistler, D.C. Rester, and P.A. Smith	158
Simulation of Early Season Spray Strategies and Effects on Beneficial Insects of Cotton J.L. Goodenough, A.W. Hartstack and J.A. Witz	159
COTTON INSECT RESEARCH AND CONTROL CONFERENCE
Insect Control and Cotton Yield as Affected by Date and Timing of Pydrin® Insecticide R.H. Bierman	170
Evaluations of Gossyplure Formulation for Pink Bollworm Control under Commercial Conditions in California's Palo Verde Valley C.A. Beasley and T.J. Henneberry	171
Field Evaluation of a Dynamic Threshold for Control of Heliothis Spp. In Cotton in Mississippi W.F. Kitten and R.G. Luttrell	172
Host Plant Associations of Two Karyotypic Forms of Anthonomus grandis Boheman James R. Cat and David T. North	174
Studies on the Use of Oxamyl (Vydate® and Chlordimeform (Fundals) in Texas Dryland Cotton J.H. Benedict, J.C. Segers and M.F. Treacy	174
Approaches Toward the Management of Insecticide Resistance in Heliothis R.T. Roush, R.G. Luttrell, and H.W. Chambers	174
Increased Efficacy of Cotton Insects from Chlorpyrifos with Low-Volatile Oil Carriers G.D. Stanford	174
Influence of Optical Activity on the Performance of Fenvalerate D.A. Wustner	175
Heliothis Spp.: Sex Pheromone Trap Studies Andris Zvirgzdins and T.J. Henneberry	176
On Farm ULV Trials for Cymbush, HAG-107 Payoff and Cythion E. Burris, B.R. Leonard and R.L. Rogers	180
Management of Dicofol Resistance in California Cotton: An Applied Study T.J. Dennehy, J. Granett and T.F. Leigh	181
Overwintering Boll Weevil Populations in Southwestern Arizona Cultivated Cotton D. Bergman, T.J. Henneberry and L.A. Bariola	182
Observations on the Biology of the European Corn Borer on Cotton in North Carolina T.R. Gourd and R.J. Gouger	186
Monitoring and Predicting Heliothis Populations in Southeast Arkansas A.W. Hartstack, E.G. King, and J.R. Phillips	187
Effects of Sub-Lethal Doses of Selected Insecticides on Mating and Reproduction by Pink Bollworm Moths in Laboratory Tests Louis A. Bariola	191
Beneficial Insect Monitoring as Part of a Pest Abatement District Requiring Application of Gossyplure to Cotton in the Imperial Valley E.T. Natwick	193
Early Season Population Dynamics of Lygus Bugs in Drip Vs. Furrow-Irrigated Cotton F.B. Zwick and R.T. Huber	197
A Comparison of Insect Pest Thresholds and Management Strategies Using Mississippi's CIM Model R.G. Luttrell, L.G. Brown, R.W. McClendon, and K.S. Akbay	200
Lethal Mating Between Male Bollworm and Female Tobacco Budworm Adults Induced by Field Applications of Individual Components of Heliothis Pheromones E.A. Stadelbacher	203
Seasonal Movement of the Pink Bollworm, Pectinophora gossypiella (Saunders) (Lepidoptera:gelechiidae) G.D. Butler, Jr., J.M. Gillespie, T.J. Henneberry, and A. Zvirgzdins	205
Influence of Various Agronomic and Climatic Parameters on Toxicity of Some Synthetic Pyrethroids J.J. Herve	208
Number of Plants to Sample to Estimate Fruit Populations D.A. Wolfenbarger	211
Sample Size Estimation Victor Chew	211
Sampling Predators of Heliothis zea (Boddie), and Heliothis virescens F. J.H. Young and L.J. Willson	212
Sample Sizes to Estimate Populations of Pest Species and Beneficials Winfield L. Sterling	212
In Cotton Sampling in an Area-Wide Bollworm Management Community W.F. Nicholson, Jr., J.R. Phillips, J.L. Bernhardt and David B. Marx	212
Developing and Implementing Scouting Techniques in Georgia G.A. Herzog and W.R. Lambert, III	213
Economics of Monitoring for Cotton Pests Gerald A. Carlson	213
Evaluating the Effectiveness of Bacillus thuringiensis on Cotton Against Heliothis Spp. G.T. Bohmfalk	213
The Role of Bacillus thuringiensis Var. kurstaki in Heliothis Spp. Control in Louisiana and the Lower Rio Grande Valley of Texas Charles T. Allen	214
Effectiveness of Several Foliar Sprays of Bacillus thuringiensis Formulations on Cotton Against Larvae of Heliothis Spp. A.R. Hopkins and R.F. Moore	216
Effectiveness of Microbials in Insect Control Programs in Arkansas W.C. Yearian and J.R. Phillips	218
Microbial Control of Bollworms in Texas Cotton, 1980-82 Deanna Myers, Roni Gan, J.K. Walker and G.A. Niles	220
Effectiveness of Bacillus thuringiensis Against Heliothis virescens F. on Cotton in Arizona F. Watson	223
Status of Development of Superior Isolates of Bacillus thuringiensis for Use Against Heliothis Spp. On Cotton Clayton C. Beegle	225
Symposium a Decade of Extension Cotton Integrated Pest Management 1972 - 1982 David F. Young, Jr.	227
Cotton Pest Management: The National Viewpoint B.D. Blair	228
Impact of IPM on Acreage Scouted and Insecticide Use W.P. Lambert	228
Educational Techniques Used to Implement IPM G. Michael McWhorter	230
Economic Impact of IPM Ronald H. Smith	231
The Impact of Cotton Insect Pest Management Programs on the Private Sector Robert B. Head	234
The Future of IPM a Perspective from Extension T. Don Canerday	236
COTTON WEED SCIENCE RESEARCH CONFERENCE
Influence of Weed-Free Periods on Yield of Cotton (Gossypium hirsutum) and Growth of Yellow Nutsedge (Cyperus esculentus) Paul E. Keeley and Robert J. Thullen	240
Performance of Selected Postemergence Over-The-Top Herbicides for Grass Control in Cotton Stephen A. Crawford and Kathy A. Robertson	240
Post Directed Herbicides for Weed Control in Cotton Ted Whitwell and S.M. Brown	240
MSMA, Pix and Varietal Interactions P.E. Hoskinson and R.M. Hayes	241
Selective Grass Herbicides on Cotton in California Harold M. Kempen	241
Comparison of Electrodyn and Conventional Application of Fluazifop-Butyl in Cotton Clyde C. Dowler	243
Effect of Herbicides on Bermudagrass Biotypes G.D. Wills	244
Cost and Effectiveness of Paraquat and Glyphosate for Weed Control in Limited Tillage Systems with Wheat and Cotton A.F. Wiese and W.L. Harman	245
Performance of New Herbicides for Weed Control in Cotton R.M. Hayes and P.E. Hoskinson	251
Seedbed Preparation and Weed Control after Winter Cover Crops H.R. Hurst	252
Soil and Foliar Activity of Selective Grass Herbicides on Cotton J.R. Abernathy, B. Bean, and J.R. Gipson	252
Producing Grass-Free Cotton John E. Bremer	252
Survey of Herbicide Usage in Texas Dave Weaver	253
Profitability with Changing Herbicide Programs C.E. Denver	254
Annual and Perennial Grass Control in Cotton with Sethoxydim C.W. Helpert and J.W. Daniel	256
An Update on Bermudagrass Control in Midsouth and High Plains Cotton with Fusilade™ Herbicide J.T. Daniel, W.A. Dortenzio, H.D. Feese, W.K. Majure, and R. P. Rose	257
COTTON ECONOMICS AND MARKETING CONFERENCE
Financial Conditions of the U.S. Cotton Industry Bruce Hottel	268
Financial Conditions of the U.S. Cotton Industry Jack Robison	271
Financial Conditions of the U.S. Cotton Industry J.A. Rogers	272
Current and Prospective Federal Policies and Programs and Their Impacts on the Cotton Industry Charles V. Cunningham	273
World Cotton Situation and Outlook Russell G. Barlowe	283
An Economic Analysis of the 1982 Cotton Acreage Reduction Program and Implications for 1983 Sam Evans	288
A Model for Cotton Variety Selection with Yield and Quality Considerations Don Ethridge, Randy Sudderth, and Mark Moore	293
Long Term Profitability of Alternative Irrigation Systems for Cotton in the Southern Texas High Plains A.L. Stoecker and G.S. Lloyd	295
Cotton Comparative Advantage and Policy in the 1980's Keith Collins	298
Increasing Producer Returns by Gin Control W.S. Anthony	300
The Cost of a Backcross Rearing and Release Program for Controlling the Tobacco Budworm Eugene H. Simpson III and David W. Parvin, Jr.	304
Analysis of U.S. Cotton Content of Textile Imports Edward H. Glade, Jr.	304
End Uses of Cottonseed Oil Duane Hacklander and Jorge Hazera	308
The Transport of Baled Cotton: Problems and Prospects James A. Caron	311
Factors Influencing the Value of Cotton Land in the Southern High Plains of Texas Ken H. Mathews, Don E. Ethridge, and Arthur L. Stoecke	316
Overhead Labor Cost on Cotton for in the Delta Area of Mississippi Laura R. Cox, David W. Parvin, Jr.	320
An Economic Analysis of Cover Crops as Part of a Cotton Production System Trudy Dawkins and Ken Paxton	323
The Relationship of Weather and Applied Technologies on Cotton Lint Yield the Delta Region, 1964 to 1979 David Schroder and J.C. Headley	327
The Impacts of Acreage and Weather on Cotton Yields in the United States Jorge Hazera and Irving Starbird	334
Income Risk Associated with Variability of Cotton Yields Daniel F. Capstick	339
Availability and Use of Cottonseed Market News in Louisiana J.F. Hudson and S.S. Kelly	345

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Document last modified Sunday, Dec 6 1998