University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Mohave Valley, AZ
Planting Date:
Total Irrigations:
10 April 2007
Final Irrigation Date:
9
Total N Applied:
Dow AgroSciences
Delta and Pine
Stoneville
Delta and Pine
Stoneville
Alltex
Stoneville
Delta and Pine
Alltex
Dow AgroSciences
2
LSD0.05
3
OSL
4
CV (%)
1
Variety
PHY 370 WR
DP 445 BR
ST 4357 B2RF
DP 449 BR
ST 5327 B2RF
AT 55066 B2RF
ST 4427 B2RF
DP 164 B2RF
APEX B2RF
PHY 745 WRF
165 lbs/A
General Soil Texture:
Fiber
Length
Micronaire
(100ths)
(32nds)
(g/tex)
Uniformity
Index
36.0 a
36.3 a
36.3 a
35.7 a
35.3 a
34.3 a
35.7 a
33.8 a
35.3 a
33.7 a
5.3 ab
5.1 bc
5.3 ab
5.5 a
5.3 ab
5.2 abc
5.0 c
5.2 abc
5.4 ab
5.2 bc
1.10 a
1.12 a
1.11 a
1.11 a
1.09 a
1.11 a
1.09 a
1.15 a
1.09 a
1.13 a
35.3 a
36.0 a
35.7 a
35.7 a
35.0 a
35.7 a
35.0 a
37.0 a
35.0 a
36.3 a
30.8 b
30.4 bc
31.0 b
30.7 b
29.5 bc
29.5 bc
28.4 c
30.3 bc
28.3 c
33.2 a
82.5 a
81.9 a
82.0 a
81.7 a
81.6 a
82.2 a
81.1 a
82.5 a
81.9 a
83.1 a
1.89
0.0567
3.1
0.23
0.0306
2.48
0.038
0.0935
1.99
1.53
0.1989
2.47
1.89
0.0026
3.61
1.10
0.0822
0.77
(lbs/Acre)
1050 a1
1030 a
971 ab
957 ab
955 ab
947 ab
923 ab
865 b
838 b
704 c
131.2
0.002
8.2
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
2
Harvest Date:
Fiber Quality
Staple
Fiber
Length Strength
Percent
Lint
Lint Yield
Company
9 Aug. 2007
13 Sept. 2007
Silt Loam
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Parker, AZ
Planting Date:
Total Irrigations:
1 May 2007
Final Irrigation Date:
Total N Applied:
11
Delta and Pine
Delta and Pine
Delta and Pine
Stoneville
Dow AgroSciences
Stoneville
Alltex
Alltex
Stoneville
Dow AgroSciences
LSD0.052
3
OSL
CV (%)4
1
Variety
DP 449 BR
DP 164 B2RF
DP 445 B2RF
ST 5327 B2RF
PHY 370 WR
ST 4357 B2RF
APEX B2RF
AT 55066 B2RF
ST 4427 B2RF
PHY 745 WRF
180 lbs/A
General Soil Texture:
Fiber
Length
Micronaire
(100ths)
(32nds)
(g/tex)
Uniformity
Index
33.7 a
32.3 a
35.0 a
34.0 a
34.0 a
31.3 a
32.0 a
32.7 a
33.0 a
34.0 a
4.8 a
4.5 bc
4.5 bc
4.7 ab
4.9 a
4.3 c
4.4 c
4.5 bc
4.4 c
4.3 c
1.12 b
1.17a
1.14 ab
1.13 ab
1.08 c
1.13 ab
1.15 ab
1.14 ab
1.11 bc
1.12 b
36.0 abc
37.3 a
36.7 ab
36.0 abc
34.7 c
36.3 ab
37.0 ab
36.7 ab
35.7 bc
36.0 abc
30.1 bc
29.6 cd
29.3 cde
31.0 b
28.8 cde
28.0 e
28.7 de
28.4 de
29.1 cde
32.8 a
82.3 a
82.6 a
81.7 a
82.4 a
82.0 a
82.1 a
82.6 a
83.0 a
82.1 a
82.9 a
2.32
0.0893
4.07
0.25
0.0003
3.03
0.038
0.0126
1.94
1.22
0.0136
1.97
1.24
0.0001
2.45
1.33
0.6282
0.94
(lbs/Acre)
1371 a1
1330 a
1290 a
1277 a
1271 a
1226 a
1211 a
1193 a
1170 a
1163 a
225.1
0.5943
10.5
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
2
Harvest Date:
Fiber Quality
Staple
Fiber
Length Strength
Percent
Lint
Lint Yield
Company
10 Oct. 2007
12 Nov. 2007
Silt Loam
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Yuma Valley, AZ
Planting Date:
Total Irrigations:
28 March 2007
Final Irrigation Date:
Total N Applied:
6
Stoneville
Delta and Pine
Stoneville
Stoneville
Delta and Pine
Delta and Pine
Phytogen
Phytogen
LSD0.052
OSL3
CV (%)4
1
Variety
ST 4427 B2RF
DP 445 BR
ST 4554 B2RF
ST 5327 B2RF
DP 449 BR
DP 121 RF
PHY 745 WRF
PHY 370 WR
Harvest Date:
40 lbs/A
(lbs/Acre)
Percent
Lint
Micronaire
1925 a1
1920 a
1881 a
1870 a
1782 ab
1775 ab
1714 ab
1575 b
32.7 a
33.9 a
32.5 a
33.4 a
30.8 a
33.8 a
32.6 a
32.3 a
4.63 a
4.53 ab
4.67 a
4.50 ab
4.50 ab
4.53 ab
4.23 ab
4.60 a
Lint Yield
Company
5 Sept. 2007
General Soil Texture:
Fiber Quality
Fiber
Staple
Fiber
Length Length Strength Uniformity
(100ths) (32nds)
(g/tex)
Index
1.10 ab
1.12 ab
1.23 a
1.12 ab
1.11 ab
1.09 ab
1.12 ab
1.07 b
35.3 a
36.0 a
36.3 a
36.0 a
36.0 a
34.7 a
35.7 a
34.3 a
80.2 b
82.5 a
81.5 ab
81.1 ab
80.9 ab
80.8 ab
80.8 ab
80.6 ab
145.3
1.791
0.167
0.030
1.11
1.76
1.221
0.0431
9.10
0.7037
5.10
0.0154
3.46
0.0261
2.57
0.4004
2.91
0.0339
5.64
0.0252
1.40
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
27.3 b
30.5 ab
30.4 ab
29.0 ab
29.5 ab
28.0 ab
30.7 a
28.1 ab
15 Oct. 2007
Sandy Clay
Premium/
Discount5
Value6
($/lb.)
($/Acre)
0.51
0.54
0.54
0.53
0.56
0.45
0.54
0.49
858
930
892
888
873
683
821
672
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Yuma, AZ
Planting Date:
Total Irrigations:
7 April 2007
Final Irrigation Date:
Total N Applied:
5
Delta and Pine
Stoneville
Stoneville
Stoneville
Delta and Pine
Delta and Pine
Phytogen
Phytogen
LSD0.052
OSL3
CV (%)4
1
Variety
DP 445 BR
ST 4427 B2RF
ST 5327 B2RF
ST 4554 B2RF
DP 121 RF
DP 449 BR
PHY 745 WRF
PHY 370 WR
Harvest Date:
60 lbs/A
(lbs/Acre)
Percent
Lint
Micronaire
1985 a1
1949 a
1908 a
1823 a
1822 a
1789 ab
1603 b
1408 b
32.5 ab
33.0 a
33.1 a
32.8 a
33.8 a
32.1 ab
31.8 b
30.9 b
4.50 a
4.60 a
4.47 a
4.60 a
4.33 a
4.43 a
4.37 b
4.85 b
Lint Yield
Company
29 August 2007
General Soil Texture:
Fiber Quality
Fiber
Staple
Fiber
Length Length Strength Uniformity
(100ths) (32nds)
(g/tex)
Index
1.14 ab
1.16 a
1.08 b
1.20 a
1.13 ab
1.09 b
1.09 b
1.10 b
36.7 a
37.0 a
34.7 b
35.3 b
36.7 a
35.0 b
35.0 b
35.3 b
29.2 b
31.5 a
29.7 ab
30.7 a
28.4 bc
30.7 a
27.9 c
30.4 ab
81.3 ab
81.2 ab
81.4 ab
81.2 ab
81.1 ab
82.0 a
80.9 b
80.8 b
132.4
2.114
0.1573
0.0267
1.152
2.046
1.037
0.0101
8.75
0.0457
5.82
0.0004
4.36
0.0001
1.21
0.0008
1.63
0.0463
4.31
0.2839
0.64
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
17 September 2007
Clay
Premium/
Discount5
Value6
($/lb.)
($/Acre)
0.52
0.54
0.53
0.54
0.56
0.51
0.53
0.51
905
934
900
873
915
801
751
618
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Marana, AZ
Planting Date: 26 April 2007
Total Irrigations:
Final Irrigation Date:
Total N Applied:
3
Company
Stoneville
Americot
Dow AgroSciences
Delta and Pine
Delta and Pine
Stoneville
Americot
Stoneville
Delta and Pine
Dow AgroSciences
LSD0.052
3
OSL
CV (%)4
1
Variety
ST 4554 B2RF
AM 1532 B2RF
PHY 370 WR
DP 455 B2RF
DP 445 B2RF
ST 4427 B2RF
AM 1504 B2RF
ST 5327 B2RF
DP 449 BR
PHY 745 WRF
Harvest Date:
General Soil Texture:
10 tons manure Pre-plant/A
Fiber
Length
Fiber Quality
Staple
Fiber
Length Strength
Micronaire
(100ths)
(32nds)
(g/tex)
Uniformity
Index
34.0 cd
34.2 c
35.8 ab
36.7 a
36.5 a
32.6 d
32.6 d
34.8 bc
34.3 c
33.3 cd
4.3 a
3.9 cd
4.0 bcd
3.7 d
4.1 abc
4.0 bcd
3.7 d
3.8 cd
4.3 ab
4.1 abc
1.11 a
1.12 a
1.10 a
1.11 a
1.13 a
1.11 a
1.08 a
1.12 a
1.11 a
1.12 a
35.0 a
36.0 a
35.0 a
35.5 a
36.2 a
35.5 a
34.7 a
36.0 a
35.5 a
35.7 a
28.8 abc
25.3 e
27.4 cd
27.8 bcd
30.0 a
26.1 de
25.1 e
29.5 ab
29.3 abc
30.0 a
81.7 ab
80.3 bc
81.2 ab
79.6 c
82.0 a
80.4 abc
80.5 abc
81.8 ab
81.8 ab
81.6 ab
1.392
0.0001
2.78
0.28
0.0006
4.89
0.033
0.1392
2.04
1.367
0.4007
2.65
1.82
0.0001
4.5
1.4
0.132
1.19
(lbs/Acre)
Percent
Lint
1307 a1
1303 a
1283 a
1250 a
1231 a
1214 ab
1177 ab
1175 ab
1066 bc
963 c
142.241
0.0005
8.19
Lint Yield
28-Aug-07
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
18 Oct 2007
Clay Loam
Premium/
Discount5
Value6
(Points)
($/Acre)
671
653
623
479
718
468
541
705
650
669
607
604
596
564
587
534
528
552
493
446
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Stanfield, AZ
Planting Date: 28 March 2007
Total Irrigations:
Final Irrigation Date:
Total N Applied:
Drip
Alltex
Delta and Pine
Delta and Pine
Americot
Delta and Pine
Stoneville
Stoneville
Americot
Alltex
Dow AgroSciences
Dow AgroSciences
Stoneville
Alltex
Variety
AT 55066 B2RF
DP 455 B2RF
DP 449 BR
AM 1532 B2RF
DP 164 B2RF
ST 4554 B2RF
ST 5327 B2RF
AM 1504 B2RF
APEX B2RF
PHY 745 WR
PHY 370 WR
ST 4427 B2RF
SUMMITT B2RF
130 lbs/A
Fiber
Length
(lbs/Acre)
Percent
Lint
Micronaire
(100ths)
843 a1
807 a
797 a
795 a
781 a
774 a
763 a
735 a
730 a
720 a
710 a
692 a
523 a
37.0 a
36.3 a
35.2 a
35.3 a
35.5 a
36.9 a
35.5 a
35.1 a
37.5 a
35.1 a
36.9 a
35.1 a
35.3 a
4.9 a
5.0 a
4.8 a
4.9 a
4.9 a
5.0 a
4.7 a
4.9 a
4.9 a
4.8 a
5.0 a
4.8 a
4.9 a
1.11 a
1.11 a
1.10 a
1.10 a
1.10 a
1.09 a
1.13 a
1.09 a
1.10 a
1.12 a
1.11 a
1.11 a
1.11 a
Lint Yield
Company
9 Sept. 2007
Harvest Date:
19 Nov. 2007
General Soil Texture:
Sandy Loam
Fiber Quality
Staple
Fiber
Length Strength Uniformity
(32nds)
(g/tex)
Index
35.7 a
35.3 a
35.3 a
35.7 a
35.7 a
35.7 a
35.0 a
35.0 a
35.7 a
36.3 a
35.3 a
35.7 a
35.7 a
30.3 a
29.5 a
39.2 a
28.9 a
30.3 a
29.8 a
30.8 a
29.6 a
30.0 a
29.8 a
30.3 a
30.8 a
29.9 a
81.9 a
81.5 a
81.6 a
82.0 a
82.7 a
81.5 a
82.3 a
81.6 a
82.0 a
81.6 a
82.4 a
82.5 a
81.4 a
LSD0.052
225.3
2.41
0.47
0.044
1.46
2.24
1.56
OSL3
CV (%)4
0.4349
17.98
0.3583
3.98
0.9195
5.75
0.08612
2.35
0.734
2.44
0.8716
4.43
0.765
1.13
1
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
Premium/
Discount5
Value6
(Points)
($/Acre)
312
348
372
368
488
238
605
227
452
455
253
638
398
464
447
445
445
445
422
445
399
412
407
398
405
294
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Maricopa, AZ (MAC)
Planting Date:
Total Irrigations:
9 April 2007
Final Irrigation Date:
Total N Applied:
12
Delta and Pine
Delta and Pine
Stoneville
Dow AgroSciences
Delta and Pine
Stoneville
Alltex
Americot
Alltex
Americot
Stoneville
Alltex
Dow AgroSciences
Variety
DP 164 B2RF
DP 449 BR
ST 5327 B2RF
PHY 370 WR
DP 455 B2RF
ST 4554 B2RF
APEX B2RF
AM 1532 B2RF
ALLTEX 55066 B2RF
AM 1504 B2RF
ST 4427 B2RF
SUMMIT B2RF
PHY 745 WRF
Harvest Date:
190 lbs/A
Fiber
Length
(lbs/Acre)
Micronaire
(100ths)
2279 a1
2271 a
2268 a
2264 a
2259 ab
2251 ab
2190 abc
2167 abc
2119 abc
2080 bcd
2029 cd
2023 abc
1918 d
32.9 de
33.7 cd
35.3 ab
35.4 ab
36.6 a
34.8 bc
33.5 cd
32.6 de
33.0 d
32.2 def
30.9 f
31.3 ef
32.9 de
4.3 def
4.8 ab
4.7 bc
5.0 a
4.6 bcd
4.7 abc
4.5 b-e
4.5 b-e
4.4 cde
4.2 ef
4.6 bcd
4.0 f
4.4 b-e
1.15 ab
1.14 ab
1.13 ab
1.09 c
1.14 ab
1.13 ab
1.12 abc
1.14 ab
1.15 ab
1.11 bc
1.12 abc
1.13 ab
1.15 ab
Fiber Quality
Staple
Fiber
Length Strength Uniformity
(32nds)
(g/tex)
Index
37.2 a
36.5 ab
36.2 ab
34.7 c
36.5 ab
36.0 b
36.0 b
36.5 ab
36.7 ab
35.7 b
26.2 ab
36.0 b
36.7 ab
30.7 cd
31.3 bc
32.3 ab
30.3 cde
31.3 bc
31.8 b
28.5 f
30.2 cde
29.9 de
29.5 e
29.7 de
29.7 de
33.1 a
81.0 e
82.7 ab
82.8 ab
81.9 a-e
81.6 b-e
82.6 abc
81.3 de
83.0 a
82.8 ab
82.4 a-d
82.1 a-e
81.4 cde
83.2 a
LSD0.052
158.9
1.49
0.29
0.028
1.058
0.999
1.11
OSL3
CV (%)4
0.0002
5.14
0.0001
3.1
0.0001
4.42
0.0133
1.71
0.0108
2.02
0.0001
2.25
0.0019
0.94
1
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
26 Nov. 2007
General Soil Texture:
Percent
Lint
Lint Yield
Company
31 Aug. 2007
Loam
Premium/
Discount5
Value6
(Points)
($/Acre)
510
490
313
150
542
338
417
270
340
513
268
460
300
1014
1021
1010
974
1066
1026
916
935
920
942
844
925
860
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Coolidge, AZ
Planting Date:
Total Irrigations:
5 April 2007
Final Irrigation Date:
Total N Applied:
10
Stoneville
Stoneville
Delta and Pine
Dow AgroSciences
Delta and Pine
Dow AgroSciences
Stoneville
Alltex
Americot
Americot
Alltex
Alltex
Delta and Pine
Variety
ST 4427 B2RF
ST 5327 B2RF
DP 455 B2RF
PHY 745 WR
DP 449 BR
PHY 370 WR
ST 4554 B2RF
SUMMITT B2RF
AM 1532 B2RF
AM 1504 B2RF
APEX
Alltex 55066 B2RF
DP 164 B2RF
Harvest Date:
150 lbs/A
(lbs/Acre)
Percent
Lint
Micronaire
(100ths)
1640 a1
1615 ab
1538 abc
1474 bc
1433 c
1431 c
1428 c
1385 cd
1267 de
1255 de
1203 e
1197 e
1032 f
35.5 cde
38.8 a
35.1 de
37.0 a-d
38.5 ab
37.6 abc
35.3 de
36.5 b-e
34.7 e
35.3 de
34.8 de
35.0 de
34.9 de
4.6 cde
4.7 b-e
4.9 a-d
5.1 a
5.0 ab
4.9 abc
4.7 cde
4.7 cde
4.7 cde
4.6 de
4.7 cde
4.5 e
4.7 b-e
1.15 a
1.11 bcd
1.11 bc
1.11 bc
1.07 f
1.09 c-f
1.10 b-e
1.12 bc
1.10 b-e
1.08 def
1.10 b-f
1.08 ef
1.12 b
36.7 a
35.7 bc
35.7 bc
36.0 ab
34.3 d
35.0 bcd
35.3 bcd
35.7 bc
35.3 bcd
34.7 cd
35.3 bcd
34.7 cd
36.0 ab
Fiber
Length
30.3 b
29.3 cd
30.2 bc
30.9 b
29.3 cd
30.6 b
29.1 de
28.4 ef
27.9 f
29.4 cd
28.3 ef
28.0 f
32.6 a
80.5 d
81.8 abc
81.3 bcd
82.5 a
81.3 bcd
82.1 ab
81.6 a-d
81.7 abc
81.0 cd
81.3 bcd
82.2 ab
81.6 a-d
82.4 ab
LSD0.052
145.9
1.96
0.26
0.024
0.885
0.81
0.994
OSL3
CV (%)4
0.0001
6.29
0.0007
3.22
0.0049
3.28
0.0001
1.31
0.0009
1.48
0.0001
1.63
0.0149
0.72
1
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
7 Nov. 2007
General Soil Texture:
Fiber Quality
Staple
Fiber
Length Strength Uniformity
(32nds)
(g/tex)
Index
Lint Yield
Company
10 Sept. 2007
Loam
Premium/
Discount5
Value6
(Points)
($/Acre)
587
660
490
433
388
515
520
592
655
438
370
533
655
757
768
692
663
641
657
647
642
589
557
526
543
481
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Goodyear, AZ
Planting Date:
Total Irrigations:
16 April 2007
Final Irrigation Date:
Total N Applied:
10
Stoneville
Alltex
Phytogen
Stoneville
Stoneville
Phytogen
Delta and Pine
Americot
Americot
Alltex
AllTex
Delta and Pine
Delta and Pine
Variety
ST 4554 B2RF
APEX B2RF
PHY 370 WR
ST 4427 B2RF
ST 5327 B2RF
PHY 785 WR
DP 449 BR
AM 1532 B2RF
AM 1504 B2RF
AT 55066 B2RF
SUMMIT B2RF
DP 164 B2RF
DP 455 B2RF
Harvest Date:
245 lbs/A
General Soil Texture:
Fiber
Length
(lbs/Acre)
Percent
Lint
Micronaire
(100ths)
2784 a1
2701 ab
2559 abc
2534 a-d
2532 a-d
2406 a-e
2376 a-e
2374 a-e
2362 a-e
2272 b-e
2231 cde
2099 de
2047 e
38.0 a
34.7 a
33.2 a
34.9 a
34.6 a
33.0 a
34.4 a
33.3 a
33.0 a
32.1 a
33.7 a
33.2 a
32.3 a
4.2 a
4.0 a
4.3 a
4.3 a
4.1 a
4.3 a
4.4 a
4.0 a
4.2 a
3.9 a
4.3 a
4.3 a
3.9 a
1.12 a
1.10 a
1.12 a
1.08 a
1.12 a
1.10 a
1.10 a
1.12 a
1.12 a
1.11 a
1.12 a
1.11 a
1.10 a
Lint Yield
Company
11 Sept. 2007
Fiber Quality
Staple
Fiber
Length Strength Uniformity
(32nds)
(g/tex)
Index
36.3 a
35.3 a
36.3 a
34.7 a
36.3 a
35.3 a
35.3 a
36.0 a
36.3 a
35.7 a
36.0 a
35.7 a
35.3 a
32.6 a
31.8 a
29.6 a
31.8 a
31.2 a
31.2 a
31.2 a
32.3 a
32.0 a
30.7 a
32.0 a
32.5 a
34.0 a
82.5 a
81.4 a
82.3 a
81.0 a
81.5 a
82.2 a
82.0 a
81.2 a
81.9 a
82.1 a
82.3 a
81.1 a
82.0 a
LSD0.052
387.2
3.22
0.61
0.04
1.39
3.94
1.37
OSL3
CV (%)4
0.0201
9.55
0.0841
5.64
0.8181
8.39
0.4784
2.12
0.3168
2.31
0.8081
7.37
0.3206
1.0
1
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
6 Feb. 2007
Silt Loam
Premium/
Discount5
Value6
(Points)
($/Acre)
252
-100
-108
-80
-17
-170
-40
23
55
-33
-395
-83
-355
1125
1058
984
994
1006
907
937
946
944
882
797
811
731
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Thatcher, AZ
Planting Date:
Total Irrigations:
4 May 2007
Final Irrigation Date:
Total N Applied:
6
Delta and Pine
Delta and Pine
Phytogen
FiberMax
Stoneville
Phytogen
Stoneville
AllTex
Stoneville
AllTex
Stoneville
LSD0.052
OSL3
CV (%)4
1
Variety
DP 455 BR
DP 164 B2R
PHY 745 WR
FM 1880 B2
ST 5242 B2
PHY 370 WR
ST 5327 B2
APEX B2RF
ST 6611 B2
55066 B2R
ST 4427 B2
Harvest Date:
110 lbs/A
(lbs/Acre)
Percent
Lint
Micronaire
1503 a1
1498 a
1480 ab
1422 b
1300 c
1181 d
1152 de
1145 de
1124 def
1095 ef
1071 f
38.7 a
33.9 cd
32.9 ef
33.1 def
36.7 b
34.7 c
36.0 b
33.0 def
31.3 g
32.2fg
33.4de
4.1 bc
4.3 a
3.9 bcd
3.8 cd
4.0 a-d
3.9 bcd
4.3 a
3.9 d
4.2 ab
3.7 d
4.0 a-d
Lint Yield
Company
10 Sept. 2007
General Soil Texture:
Fiber Quality
Fiber
Staple
Fiber
Length Length Strength Uniformity
(100ths) (32nds)
(g/tex)
Index
1.08 c
1.17 a
1.16 ab
1.17 a
1.08 c
1.13 b
1.08 c
1.13 b
1.13 b
1.13 b
1.13 b
34.7 d
37.7 a
37.3 ab
37.7 a
34.7 d
36.3 bc
34.6 d
36.3 bc
36.3 bc
36.0 c
36.0 c
80.4 bc
81.4 abc
82.5 a
81.3 abc
81.7 abc
81.9 ab
81.2 abc
80.2 c
81.6 abc
80.8 bc
81.7 abc
71.1
0.929
0.3124
0.0346
1.2007
1.3286
1.6129
<.0001
3.3
<.0001
1.596835
0.0097
4.585055
<.0001
1.8048
<.0001
1.950017
<.0001
2.784772
0.2007
1.164153
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
27.1 d
28.7 c
31.0 a
30.0 ab
27.0 de
28.8 bc
27.7 cd
25.7 e
28.9 bc
26.5 de
26.8 de
24 Oct. 2007
Clay Loam
Premium/
Discount5
Value6
(Cents/lb)
($/Acre)
4.92
6.97
3.83
7.08
4.90
5.68
4.45
6.25
6.90
0.93
3.17
855
883
826
840
739
681
650
666
662
580
591
University of Arizona
Cooperative Extension
2007 Upland Cotton Variety Trial Results
Kansas Settlement, AZ
Planting Date:
Total Irrigations:
30 April 2007
Final Irrigation Date:
Total N Applied:
Drip
Company
Phytogen
Delta and Pine
Stoneville
FiberMax
Delta and Pine
Stoneville
Phytogen
FiberMax
Delta and Pine
AllTex
AllTex
Stoneville
LSD0.052
3
OSL
4
CV (%)
1
Variety
PHY 370 W R
DP 444 BR
ST 4427 B2 RF
FM 1880 B2RF
DP 432 R
ST 5327 B2 RF
PHY 745 W RF
FM 9063 B2RF
DP 121 RF
APEX B2 RF
55066 B2 RF
ST 6611 B2 RF
100 lbs/A
26 Oct. 2007
General Soil Texture:
Sandy Loam
Fiber
Length
Micronaire
(100ths)
(32nds)
(g/tex)
Uniformity
Index
37.2 abc
37.1 a
34.7 bc
35.7 abc
36.3 ab
36.7 ab
35.4 abc
35.3 abc
37.2 a
35.4 abc
35.1 abc
33.9 c
4.2 cd
4.0 bcd
3.9 cd
3.9 d
4.4 a
4.0 bcd
3.9 bcd
44.0 bcd
4.3 a
4.2 a-d
3.9 cd
4.2 ab
1.08 b-e
1.07 e
1.11 b-e
1.15 ab
1.08 de
1.10 cde
1.12 bcd
1.17 a
1.08 de
1.11 b-e
1.11 b-e
1.14 abc
34.8 bc
34.5 c
35.8 abc
36.8 ab
34.5 c
35.3 bc
36.0 abc
37.3 a
35.0 c
35.5 bc
35.5 bc
36.8 ab
28.2 bc
27.8 bc
28.2 bc
28.9 ab
27.9 bc
28.0 bc
29.0 ab
29.7 a
27.5 bc
26.9 c
27.7 bc
28.9 ab
81.1 a
80.9 ab
81.0 ab
79.8 b
81.0 a
81.2 a
81.9 a
80.7 ab
80.8 ab
80.8 ab
81.5 a
81.9 a
2.3404
0.1088
4.5
0.3
0.0241
5.6
0.0441
0.0015
2.8
0.0441
0.0015
2.8
1.5481
0.0505
3.8
1.2419
0.1228
1.1
(lbs/Acre)
1142 a1
1064 ab
1063 ab
1009 bc
1001 bcd
999 bcd
998 bcd
991 bcd
976 bcd
969 bcd
928 cd
910 d
97.6
0.0032
6.8
Means followed by the same letter do not significantly differ (P=.05, Duncan's New MRT).
LSD: Least Significant Difference.
3
OSL: Observed Significance Level.
4
CV: Coefficient of Variation.
5
Average premium or discount applied to the lint based on CCC loan schedule.
6
Value of lint per acre based on CCC loan schedule of discount and premiums and assuming a base value of 52.00 cents per pound.
2
Harvest Date:
Fiber Quality
Staple
Fiber
Length Strength
Percent
Lint
Lint Yield
15 Sept. 2007
Premium/
Discount5
Value6
(cent/lb)
($/Acre)
4.83
4.00
5.94
6.96
4.34
5.79
6.56
7.21
4.59
5.44
5.40
7.01
648
595
616
595
563
578
585
587
551
556
532
538