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

Table 4. Theoretical recoverable 96° sugar (in kg per metric ton of cane--KS/T) from plant cane on Lauderhill muck, Pahokee muck, Terra Ceia muck, and Pompano fine sand

Clone	Mean yield by soil type, farm, and sampling date							Stability- safety index*	Mean yield, all farms
	Lauderhill muck		Pahokee muck			Terra Ceia muck	Pompano fine sand
	Wedgworth 1/26/99	Okeelanta 1/28/99	Knight 12/28/98	SFCE 1/11/99	Duda 2/11/99	SFCW 1/7/99	Lykes 12/21/98
CP 94-1528	115.3	117.3	118.4	121.0	117.4	115.9	122.5	78.9	118.3
CP 94-1340	115.5	116.2	119.4	116.3	114.3	118.5	123.4	75.1	117.6
CP 94-2095	110.8	113.3	115.5	121.1	106.3	113.1	119.9	69.6	114.3
CP 94-1100	110.3	117.2	111.7	116.1	114.8	111.1	117.2	70.0	114.1
CP 94-1855	108.5	112.2	111.8	118.2	109.4	109.0	119.3	75.1	112.6
CP 94-1292	103.4	102.6	108.2	117.1	111.2	112.4	114.4	65.5	109.9
CP 94-1628	100.2	100.1	109.4	122.6	110.7	99.6	122.2	47.1	109.2
CP 94-1200	107.5	109.4	106.4	93.9	111.5	113.1	122.5	35.2	109.2
CP 70-1133	100.9	99.7	110.3	118.6	101.2	110.3	119.2	56.9	108.6
CP 94-2059	99.2	108.3	92.1	105.4	107.4	108.0	119.4	49.1	105.7
CP 94-1607	92.2	102.7	98.0	106.9	109.5	102.7	119.9	54.5	104.5
CP 94-1447	93.0	103.6	100.6	109.6	97.2	104.8	122.1	54.1	104.4
Mean	104.7	108.5	108.5	113.9	109.2	109.9	120.2	60.9	110.7
LSD† (p=0.1)	6.6	5.9	5.7	7.8	7.6	6.3	11.4		4.6
CV‡ (%)	7.6	6.5	6.4	8.2	8.3	6.9	11.4		8.2

* 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 = 2.51 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.