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

Table 6. Preharvest theoretical recoverable yields of 96° sugar (in kg per metric ton of cane--KS/T) from plant cane on Lauderhill muck, Pahokee muck, Torry muck, Pompano fine sand, and Malabar sand

Clone	Mean yield by soil type, farm, and sampling date					Stability- safety index*	Mean yield, all farms
	Lauderhill muck	Pahokee muck	Torry muck	Pompano fine sand	Malabar sand
	Okeelanta 10/28/98	SFCE 10/19/98	Eastgate 10/15/98	Lykes 10/16/98	Hilliard 10/16/98
CP 93-1544	118.6	105.2	104.1	110.2	104.5	75.2	108.5
CP 93-1555	113.0	96.2	115.0	115.3	98.3	76.2	107.5
CP 93-1548	115.4	97.9	106.4	90.6	114.2	59.3	104.9
CP 93-1309	120.0	88.5	118.6	112.2	84.6	52.2	104.8
CP 93-1634	104.0	86.8	96.3	112.4	106.8	62.8	101.3
CP 93-1688	112.4	71.2	93.7	113.5	112.5	42.0	100.7
CP 93-1017	110.2	89.8	94.4	91.5	97.9	64.0	96.8
CP 70-1133	116.4	72.4	98.4	102.3	92.6	54.1	96.4
CP 93-1065	97.8	84.3	100.0	92.8	98.4	67.4	94.7
CP 93-1361	106.8	79.0	97.9	89.4	85.6	62.0	91.8
CP 93-1382	73.8	81.5	116.4	92.6	88.3	20.8	90.5
CP 93-1596	91.9	91.2	91.2	82.1	88.5	48.0	89.0
Mean	106.7	87.0	102.7	100.4	97.7	57.0	98.9
LSD† (p=0.1)	18.6	23.0	13.3	23.6	11.7		12.6
CV‡ (%)	9.7	14.7	7.2	13.1	6.7		10.5

* 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 = 7.40 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.