2002 Upland Cotton Variety Trial Results
Lint yield and fiber quality

Stanfield, AZ

Planting Date:	10 April	Final Irrigation Date:	1 September	Harvest Date:	21 October
Total Number of Irrigations:	10	Total N Applied:	180 lbs N/acre	General Soil Texture:	Sandy loam

Cooperator: Paul Ollerton

Company	Variety	Lint Yield	Percent Lint	Value6
		(lbs/Acre)		($/acre)
Deltapine	DP449BR	1870.0 a1	33.6 b	1015
Stoneville	ST4892BR	1793.6 a	33.0 d	808
Deltapine	DP565	1694.6 ab	32.1 g	938
Deltapine	DP555BR	1601.5 abc	34.6 a	876
ACGA	AG3601	1466.0 bcd	29.4 I	754
Deltapine	DP448B	1419.7 bcd	31.2 h	780
Stoneville	BXN49B	1333.6 cde	33.4 c	721
Fiber Max	FM989BR	1273.1 de	32.7 e	702
Fiber Max	FM966	1137.8 e	32.6 f	621
LSD0.052		282	0.1	--
OSL3		0.0002	0.0001	--
CV (%)4		12.8	0.2	--

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	DP449BR	4.7 b	1.12 b	36.0 b	29.8	80.5 cd	231
Stoneville	ST4892BR	5.1 a	1.11 b	35.5 b	28.9	81.8 a	-398
Deltapine	DP565	4.5 bc	1.19 a	38.3 a	30.5	81.0 bc	333
Deltapine	DP555BR	4.3 c	1.13 b	36.0 b	30.1	79.5 d	271
ACGA	AG3601	5.1 a	1.14 b	36.5 b	32.0	80.8 bc	-70
Deltapine	DP448B	4.5 bc	1.12 b	36.3 b	29.3	80.0 cd	285
Stoneville	BXN49B	4.7 bc	1.13 b	36.3 b	28.5	80.0 cd	201
Fiber Max	FM989BR	4.7 b	1.11 b	35.8 b	30.2	81.0 bc	314
Fiber Max	FM966	4.8 ab	1.13 b	36.3 b	32.4	82.3 a	244
LSD0.052		2.1	0.04	1.2	NS	1.1	--
OSL3		0.0013	0.0044	0.0075	0.0636	0.0005	--
CV (%)4		4.9	2.2	2.3	5.8	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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