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

Table 15. Yields of cane (in metric tons per ha--TC/H) 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 92-1167	138.55	182.74	157.37	170.87	163.56	186.22	100.73	-  15.24	157.15
CP 92-1666	138.69	177.03	156.40	161.65	170.98	177.37	99.72	-    6.61	154.55
CP 92-1435	119.27	165.82	167.33	154.40	152.64	158.14	87.73	-  11.01	143.62
CP 92-1213	130.33	148.60	161.89	148.89	157.22	168.83	84.27	-  27.60	142.86
CP 92-1684	111.44	149.98	164.84	126.45	172.25	126.70	105.98	-  46.19	136.81
CP 92-1561	116.92	140.61	147.41	134.84	139.61	114.47	124.92	-  42.53	131.25
CP 70-1133	99.47	145.61	130.35	130.19	157.40	136.17	109.36	-  29.83	129.63
CP 92-1640	99.57	140.80	142.88	157.32	117.54	124.89	89.95	-  36.76	124.71
CP 92-1607	90.56	150.87	128.86	113.38	109.14	125.20	109.06	-  54.86	118.15
CP 92-1641	87.45	137.66	120.47	135.56	125.37	118.62	96.18	-  29.11	117.33
CP 92-1320	93.39	131.92	149.70	127.61	101.07	127.95	81.36	-  46.09	116.14
CP 92-1647	113.23	87.13	83.42	81.54	77.96	70.86	67.85	-148.19	83.14
Mean	111.57	146.56	142.58	136.89	137.06	136.29	96.42	-  41.17	129.63
LSD† (p=0.1)	32.62	19.84	26.70	20.72	20.43	20.52	19.15		13.76
CV‡ (%)	35.12	16.26	22.49	18.18	17.90	18.09	23.86		21.60

* 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 = 11.09 TC/H 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.