2002 Upland Cotton Variety Trial Results
Lint yield and fiber quality

Maricopa, AZ

Planting Date::	1 April	Final Irrigation Date::	23 August	Harvest Date::	25 October
Total Number of Irrigations::	9	Total N Applied::	180 lbs. N/acre	General Soil Texture::	Sandy loam

Cooperator: Maricopa Ag. Center

Company	Variety	Lint Yield	Percent Lint	Value6
		(lbs/Acre)		($/acre)
Deltapine	DP565	1670.1 a1	33.0	932
Deltapine	DP448B	1666.4 a	32.4	924
Deltapine	DP449BR	1512.6 b	34.1	839
Deltapine	DP555BR	1477.5 b	35.9	817
Stoneville	BXN49B	1313.9 c	32.9	688
ACGA	AG3601	1265.1 c	31.2	692
Stoneville	ST4892BR	1173.1 d	33.6	553
Fiber Max	FM966	1146.0 d	32.4	642
Fiber Max	FM989BR	941.2 e	31.5	507
LSD0.052		72.7	--	--
OSL3		0.0001	--	--
CV (%)4		3.7	--	--

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	DP565	4.7 bc	1.15 a	36.8 a	31.5 b	81.8 ab	381
Deltapine	DP448B	4.7 bc	1.13 b	36.3 ab	29.8 cd	81.5 abc	345
Deltapine	DP449BR	4.9 b	1.10 c	35.5 bcd	30.5 bc	80.5 cd	345
Deltapine	DP555BR	4.7 bc	1.09 cd	35.3 cd	30.2 bc	80.0 d	331
Stoneville	BXN49B	4.6 c	1.11 bc	35.5 bcd	28.7 d	81.3 bc	35
ACGA	AG3601	4.9 b	1.13 b	36.3 ab	34.1 a	81.5 abc	274
Stoneville	ST4892BR	5.1 a	1.09 cd	35.0 d	29.8 cd	82.5 a	-485
Fiber Max	FM966	4.7 bc	1.12 b	36.0 abc	35.4 a	82.5 a	401
Fiber Max	FM989BR	4.8 b	1.08 d	34.8 d	30.4 bc	80.5 cd	195
LSD0.052		0.2	0.02	0.8	1.3	1.2	--
OSL3		0.0026	0.0001	0.0002	0.0001	0.0020	--
CV (%)4		2.7	1.1	1.5	2.8	1.0	--

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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