University of Arizona a dot Cooperative Extension

Arizona Cotton Variety Trials

2002 Upland Cotton Variety Trial Results
Lint yield and fiber quality

Buckeye, AZ

Planting Date:
1 April Final Irrigation Date: 17 September Harvest Date: 7 December
Total Number of Irrigations: 20 Total N Applied: 10 tons manure/acre General Soil Texture: Silt loam


Cooperator: H4 Farms
Company Variety Lint Yield Percent Lint Value6
    (lbs/Acre)   ($/acre)
Deltapine DP555BR 2282.2 a1 37.1 a 1239
Deltapine DP565 2242.2 a 34.4 bcd 1203
Deltapine DP449BR 2211.7 ab 36.3 ab 1184
Stoneville BXN49B 2083.7 bc 35.2 abcd 1097
ACGA AG3601 2026.8 c 31.9 e 1083
Stoneville ST4892BR 2021.9 c 35.5 abc 941
Deltapine DP33B 2001.0 cd 33.6 cde 1066
Deltapine DP448B 1862.9 de 32.9 de 1005
Fiber Max FM989BR 1766.7 e 34.7 bcd 973
Fiber Max FM966 1603.0 f 34.6 bcd 898
LSD0.052   147.4 2.3 --
OSL3   0.0001 0.0065 --
CV (%)4   4.3 3.9 --

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 4.6 1.08 d 34.7 c 30.9 bcd 80.7 b 227
Deltapine DP565 4.8 1.14 a 36.7 a 32.3 bc 81.3 b 160
Deltapine DP449BR 4.9 1.09 cd 35.0 bc 31.4 bcd 81.7 ab 173
Stoneville BXN49B 4.7 1.11 bcd 35.3 bc 29.7 d 81.7 ab 68
ACGA AG3601 4.8 1.14 ab 36.7 a 37.2 a 81.7 ab 147
Stoneville ST4892BR 5.1 1.10 cd 35.3 bc 32.6 b 82.7 a -543
Deltapine DP33B 4.8 1.10 cd 35.3 bc 31.3 bcd 81.0 b 125
Deltapine DP448B 4.7 1.12 abc 36.0 ab 30.6 cd 81.7 ab 190
Fiber Max FM989BR 4.8 1.09 cd 34.7 c 32.6 b 81.0 b 305
Fiber Max FM966 4.6 1.12 abc 36.0 ab 38.1 a 82.7 a 402
LSD0.052   NS 0.03 1.2 1.9 1.2 --
OSL3   0.0656 0.0072 0.0127 0.0001 0.0339 --
CV (%)4   3.5 1.7 1.9 3.4 0.9 --

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:
Pat Clay, pclay@ag.arizona.edu Extension Agent, Field & Veg Crops
College of Agriculture, The University of Arizona.

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

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