Evaluation of New Canal Point Sugarcane Clones
1997-98 Harvest Season

Table 16. Theoretical recoverable yields of 96° sugar (in kg per metric ton of cane--KS/T) from second-ratoon cane on Dania muck, Lauderhill muck, Pahokee muck, and Pompano fine sand

Clone	Mean yield by soil type, farm, and sampling date							Stability- safety index*	Mean yield, all farms
	Dania muck	Lauderhill muck		Pahokee muck			Pompano fine sand
	Okeelanta 10/13/98	SFCW 10/14/98	Duda 11/24/98	Knight 10/02/98	SFCE 10/20/98	Wedgworth 12/29/98	Lykes 10/23/98
CP 92-1561	116.3	116.5	116.6	99.7	118.5	116.9	114.5	55.3	114.1
CP 92-1641	110.5	104.2	122.1	105.1	111.8	123.2	120.2	62.0	113.9
CP 92-1607	101.5	108.4	117.8	100.9	114.8	117.0	106.4	50.7	109.5
CP 70-1133	101.2	109.6	113.9	96.1	117.8	116.7	109.7	50.7	109.3
CP 92-1647	106.1	98.6	105.6	94.9	107.9	118.0	115.1	58.3	106.6
CP 92-1320	106.3	105.2	110.5	96.3	100.6	115.4	108.6	57.8	106.1
CP 92-1640	104.4	102.0	100.7	96.5	111.1	115.5	111.2	55.6	105.9
CP 92-1666	108.8	94.6	105.4	94.9	106.1	116.8	108.6	54.4	105.1
CP 92-1213	103.9	88.2	109.5	100.3	107.8	116.1	108.3	42.7	104.9
CP 92-1435	96.9	99.4	109.2	95.1	106.0	114.8	109.6	57.4	104.4
CP 92-1167	96.7	102.8	105.5	88.4	104.5	116.0	102.5	51.4	102.3
CP 92-1684	105.4	103.7	85.7	98.3	79.0	117.4	109.5	-10.0	99.8
Mean	104.8	102.8	108.5	97.2	107.2	117.0	110.4	48.9	106.8
LSD† (p=0.1)	6.4	7.3	7.9	7.2	2.1	6.4	5.9		5.1
CV‡ (%)	7.3	8.6	8.8	8.9	9.5	6.6	6.4		8.0

* Stability-safety index for each clone is calculated at p = 0.01 by Eskridge's method and use of Shukla's stability-variance parameter. To compare two negative indices, the index with the lowest absolute value is the greater of the two.

† LSD for location means = 3.37 KS/T at p = 0.10.

‡ CV = coefficient of variation.

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United States Department of Agriculture
Agricultural Research Service

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Original posting: June 20, 2000.