Systems Agronomic and Economic Evaluation of Cotton Varieties in ...

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cotton yields to determine lint and seed yeilds/acre. Lint samples resulting from the grabsamples were submitted to the Texas Tech University - Fiber and Biopolymer ResearchInstitute for HVI fiber analyses and CCC lint loan values were calculated. Due toextremely high and extraordinary leaf and color grades from grab samples, leaf andcolor grades were set at 3 and 21, respectively at all locations.In 2012, cotton yields were outstanding in spite of the continued drought across most ofthe Texas High Plains and Northern Panhandle Regions. These high yields areattributed to not only excellent cotton genetics, but the cooler night-time temperaturesexperienced in the Texas Panhandle and high irrigation levels at some locations. A totalof four irrigated locations were initiated in 2012 at Sunray, Dumas, White Deer andPampa. The number of varieties planted at each location was 15, 14, 12, and 12,respectively. All locations were well maintained by the cooperating producers. Also,these locations were subjected to an early freeze event on 8-October and contributed tolower than expected micronaire values. At the Sunray location, lint turnouts of fieldcleanedbur cotton averaged 32.5%. Bur cotton yields averaged 5447 lb/acre and nosignificant differences were observed among varieties. Lint yields ranged from a high of2225 lb/acre for FiberMax 9058F to a low of 1510 lb/acre for PhytoGen 367WRF, andseed yields averaged 2625 lb/acre. Loan values derived from grab samples ranged from$0.5342 for NexGen 1551RF to $0.4677 for Deltapine 1219B2RF. After applying loanvalues to lint yields, the test average lint value was $861.03/acre. When subtractingginning and seed/technology costs from total value (lint value + seed value) net valueaveraged $935.18/acre across varieties. Net values ranged from a high of$1,182.32/acre for FiberMax 9058F to a low of $756.36/acre for Deltapine 1219B2RF.At the Dumas location, Deltapine 104B2RF had the highest lint turnout of 35.2% and All-Tex Edge B2RF had the lowest with 29.5%. Seed turnout averaged 48.0% acrossvarieties. Bur cotton yields averaged 3710 lb/acre and ranged from a high of 4840lb/acre for Deltapine 104B2RF to a low of 2904 lb/acre for NexGen 1551RF. Thisresulted in lint yields ranging from 1702 lb/acre (Deltapine 104B2RF) to 929 lb/acre(NexGen 1551RF) and an average seed yield of 1781 lb/acre. Loan values derived fromgrab samples ranged from a high of $0.5723 for Deltapine 1212B2RF to a low of$0.5357 for NexGen 1551RF. After applying lint loan values to lint yield, lint values($/acre) ranged from $966.77 for Deltapine 104B2RF to $497.78 for NexGen 1551RF.When subtracting ginning and seed/technology fee costs from total value (lint value +seed value) net value averaged $697.44/acre across varieties. Significant differenceswere observed among varieties for net value with a range of from $1045.54/acre forDeltapine 104B2RF to $531.73/acre for NexGen 1551RF, a difference of $513.81. AtWhite Deer, lint turnouts of field-cleaned bur cotton ranged from a high of 35.8% forDeltapine 104B2RF to a low of 29.7% for NexGen 3348B2RF (Table 5). Seed turnoutaveraged 49.1% across all varieties. An average bur cotton yield of 5269 lb/acre wasobserved. Differences among varieties for seed turnout and bur cotton yield were notsignificant at this location. However, lint yields averaged 1725 lb/acre and differenceswere significant. Deltapine 104B2RF had the highest lint yield with 1932 lb/acre. Seedyields, significant at the 0.10 level, averaged 2586 lb/acre across varieties. Loan valuesderived from grab samples ranged from $0.5710 for NexGen 1551RF to $0.4765 forDeltapine 1219B2RF. After applying lint loan values to lint yield, lint values ($/acre)ranged from a high of $1,042.89 for Deltapine 104B2RF to a low of $691.09 forDeltapine 1219B2RF. After subtracting ginning and seed/technology costs from totalvalue (lint value + seed value), net value ranged from a high of $1,129.83/acre(Deltapine 104B2RF) to a low of $729.84/acre (Deltapine 1219B2RF) and averaged$987.66/acre across varieties. Five other varieties were included in the statistical upper101
tier with Deltapine 104B2RF. At the Pampa location, FiberMax 9180B2F had the highestlint turnout of 35.9% and NexGen 3348B2RF had the lowest with 29.7%. Seed turnoutaveraged 49.2% across varieties. Bur cotton yields averaged 4029 lb/acre and rangedfrom a high of 4637 lb/acre for Deltapine 1219B2RF and PhytoGen 367WRF to a low of3240 lb/acre for NexGen 1551RF. This resulted in lint yields ranging from 1509 lb/acre(FiberMax 2011GT) to 1008 lb/acre (NexGen 1551RF) and an average seed yield of1984 lb/acre. Loan values derived from grab samples ranged from a high of $0.5730 forDeltapine 104B2RF to a low of $0.5380 for NexGen 1551RF. After applying lint loanvalues to lint yield, lint values ($/acre) ranged from $860.93 for FiberMax 2011GT to$542.56 for NexGen 1551RF. When subtracting ginning and seed/technology fee costsfrom total value (lint value + seed value) net value averaged $794.06/acre acrossvarieties. Significant differences were observed among varieties for net value with arange of from $909.80/acre for FiberMax 2011GT to $577.90/acre for NexGen 1551RF,a difference of $331.90. Several varieties (7) were included in the statistical upper tierwith FiberMax 2011GT.These data indicate that substantial differences can be observed in terms of netvalue/acre due to variety and technology selection. The differences in net value/acre,when comparing the top and bottom varieties at the Texas Panhandle locations,differences were approximately $432 (Sunray), $513 (Dumas), $400 (White Deer), and$332 (Pampa). Additional multi-site and multi-year applied research is needed toevaluate varieties across a series of environments.AcknowledgmentsWe wish to express our appreciation to the producer-cooperators: Tommy Cartrite ofSunray, Stan Spain of Dumas, and Dudley Ponhert of Pampa (White Deer and Pampalocations) for providing the land, equipment and time to conduct these projects.Furthermore, we thank Dr. Jane Dever – Texas A&M AgriLife Research for use of herginning facilities and Dr. Eric Hequet – Texas Tech University Fiber and BiopolymerResearch Institure for HVI fiber quality analyses. And finally, our deepest gratitude toCotton Incorporated – Texas State Support Committee for their generocity in funding forthis and other research projects.102
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Systems Agronomic and EconomicEvalu
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Scott Russell, EA-IPM, Terry/Yoakum
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Replicated No-Till LESA Irrigated R
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Agronomic and Economic Evaluation o
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andomized complete block design was
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not significant at this location. H
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Table 1. Inseason plant measurement
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Table 3. HVI fiber property results
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Entry Lint Seed Bur cotton Lint See
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Table 7. Inseason plant measurement
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Table 9. Final plant map results fr
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Table 11. HVI fiber property result
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Replicated LESA Irrigated RACE Vari
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Results and Discussion:Agronomic da
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Replicated Sub-Surface Drip Irrigat
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Replicated LEPA Irrigated RACE Vari
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Replicated LESA Irrigated RACE Vari
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Replicated Sub-Surface Drip Irrigat
Page 58 and 59: Results and Discussion:Agronomic da
Page 60 and 61: Table 2. Final plant map results fr
Page 62 and 63: Entry Lint Seed Bur cotton Lint See
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Page 72 and 73: Replicated LESA Irrigated RACE Vari
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Page 82 and 83: Results and Discussion:Acknowledgme
Page 88 and 89: Replicated LESA Irrigated RACE Vari
Page 96 and 97: Replicated LEPA Supplemental (Limit
Page 98 and 99: lb/acre for FiberMax 2989GLB2. Lint
Page 100 and 101: Table 2. HVI fiber property results
Page 102 and 103: Texas Panhandle Cotton Variety Tria
Page 104 and 105: Biopolymer Research Institue for HV
Page 106 and 107: Location 2 - DumasAt the Dumas loca
Page 118 and 119: Replicated Dryland LargePlot Demons
Page 120 and 121: Insecticides:Fertilizer management:
Page 126 and 127: Replicated Dryland Cotton Variety T
Page 128 and 129: Results and Discussion:Significant
Page 130 and 131: Table 2. HVI fiber property results
Page 132 and 133: 125Plains Dryland Systems Variety T
Page 134 and 135: 127Blanco Dryland Systems Variety T
Page 136 and 137: 129Dawson County Dryland RACE Demon
Page 138 and 139: 131Lynn County Irrigated RACE Demon
Page 140 and 141: Subsurface Drip Irrigation Pre-plan
Page 142 and 143: Effects of Variable In-Season Irrig
Page 144 and 145: Table 1. Response of commercially a
Page 146 and 147: Table 1. cont. †BrandVarietyVerti
Page 148 and 149: There were six locations planted in
Page 150 and 151: Table 2. HVI ratings for varieties
Page 152 and 153: Table 4. HVI ratings for varieties
Page 154 and 155: Table 6. Effect of variety on HVI r
Page 156 and 157: Table 7. cont.Variety bRel.ValueRan
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High Plains (TASS 1N and 1S)Planted
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Lubbock Air TemperaturesMay, 2012Te
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Lubbock Air TemperaturesSeptember,
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Precipitation (inches)4.0LTA20123.0
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Are side-by-side plots more valuabl
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Is a one-year test valid, or are se
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