University of Arizona a dot Cooperative Extension

Arizona Cotton Variety Trials

2002 Upland Cotton Variety Trial Results
Lint yield and fiber quality

Thatcher, AZ

Planting Date:
15 April Final Irrigation Date: 10 September Harvest Date: 22 October
Total Number of Irrigations: 6 Total N Applied: 77 lbs N/acre General Soil Texture: Grabe Clay Loam


Cooperator: Layton Farms
Company Variety Lint Yield Percent Lint Value6
    (lbs/Acre)   ($/acre)
Deltapine DP555BR 1628.6 a1 38.3 a 891
Deltapine DP655BR 1585.6 ab 35.0 c 884
Fiber Max FM991R 1532.9 b 35.6 bc 860
Fiber Max FM989BR 1531.2 b 34.8 c 852
Stoneville ST4793R 1459.8 c 36.2 b 731
Stoneville ST4892BR 1426.0 cd 36.1 b 728
Deltapine SG215BR 1383.1 d 34.9 c 719
ACGA AG3601 1318.4 e 32.7 d 733
NMSU 1517-99 1289.4 e 32.4 d 644
LSD0.052   59.2 0.76 --
OSL3   2.8 1.5 --
CV (%)4   0.0001 0.0001 --

1Means followed by the same letter are not significantly different according to a Fisher's LSD means separation test.
2LSD: Least Significant Difference.
3OSL: Observed Significance Level.
4CV: Coefficient of Variation.
5Average premium or discount applied to the lint based on CCC loan schedule.
6Value of lint per acre based on CCC loan schedule of discounts and premiums and assuming a base value of 52.00 cents per pound.

Fiber Quality
Company Variety Micronaire Fiber Length Staple Length Fiber Strength Uniformity Index Premium/
Discount5
      (100ths) (32nds) (g/tex)   (points)
Deltapine DP555BR 4.2 bc 1.09 d 34.8 d 29.3 d 79.8 d 270
Deltapine DP655BR 4.2 bc 1.13 bc 36.3 bc 31.1 c 81.8 bc 373
Fiber Max FM991R 4.4 b 1.12 bc 36.0 bc 31.3 bc 81.8 bc 411
Fiber Max FM989BR 4.2 bc 1.10 cd 35.5 cd 31.4 bc 81.0 bcd 364
Stoneville ST4793R 4.7 a 1.08 d 34.8 d 28.2 d 82.0 b -194
Stoneville ST4892BR 4.4 b 1.10 cd 35.3 cd 29.5 d 81.8 bc -95
Deltapine SG215BR 4.2 bc 1.04 e 33.7 e 25.9 e 80.7 cd 1.7
ACGA AG3601 4.3 b 1.14 b 36.8 b 32.6 ab 81.5 bc 361
NMSU 1517-99 4.0 c 1.20 a 38.3 a 33.5 a 83.5 a -209
LSD0.052   0.3 0.03 1.1 1.4 1.2631 --
OSL3   4.7 2.0 2.0 3.1 1.0 --
CV (%)4   0.0066 0.0001 0.0001 0.0001 0.0006 --

1Means followed by the same letter are not significantly different according to a Fisher's LSD means separation test.
2LSD: Least Significant Difference.
3OSL: Observed Significance Level.
4CV: Coefficient of Variation.
5Average premium or discount applied to the lint based on CCC loan schedule.
6Value of lint per acre based on CCC loan schedule of discounts and premiums and assuming a base value of 52.00 cents per pound


Full Disclaimers

Issued in furtherance of Cooperative Extension work, acts of May 8 and June 30, 1914, in cooperation with the U.S. Department of Agriculture, James A. Christenson, Director Cooperative Extension, College of Agriculture and Life Sciences, The University of Arizona.

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Questions about this information may be directed to:
Randy Norton, rnorton@ag.arizona.edu Extension Agent, Field Crops
College of Agriculture, The University of Arizona.

State-wide: Central Eastern Western Yuma
Regional: Maricopa Marana Safford Yuma

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