BMC Plant Biology

Table 2 The Mean squares of twelve parents and F1 for yield and yield components traits in two years and their combined data in line X testers hybrids of cotton

From: Genetic analysis of yield traits in Egyptian cotton crosses (Gossypium barbdense L.) under normal conditions

S.O.V	df			SCY					LCY					L%
	sin	comb		Y1		Y2	comb		Y1	Y2			comb	Y1	Y2	comb
Rep	2	-		131.25		554.54	-		40.39	48.72			-	0.56	0.42	-
Y	-	1					26,696**						3381.20**			1.14
Ea	-	4					342.75						44.55			0.49
Genotypes	43	43		12,586.74**		12,532.90**	22,756**		2086.35**	1937.85**			3714.10**	8.81**	7.67**	15.62**
Parent	11	11		4008.26**		3419.74**	6986. **		862.44**	690.86**			1491.84**	11.49**	11.52**	22.95**
Crosses	31	31		14,001.3**		11,659.5**	22,781**		2170.6**	1673.1**			3462**	5.88**	4.79**	9.51**
parent versus crosses	1	1		63,099.48**		139,853.**	195,415		12,938.3**	23,862.7**			35,971.51	70.21**	54.81**	124.54**
Lines	7	7		34,197.55**		24,148.40**	55,954**		5525.78**	3705.66**			8872.7**	13.83**	9.03**	21.88**
Testers	3	3		21,097.95**		23,551.08**	41,961*		3617.54**	3209.78**			6499.6*	14.12**	17.92**	31.75**
Lines X Testers	21	21		6255.37**		5797.73**	8984**		845.47**	776.03**			1224.6**	2.05**	1.50**	2.21
Genotypes X Y	-	43					2364**						310.1**			0.86**
Parents X Y	-	11					441.50						61.46			0.06
Crosses X Y	-	31					2879**						381.6**			1.15**
parent versus crosses X Y	-	1					7536.20**						829.43**			0.48
Lines X Y	-	7					2392**						358.8**			0.98**
Testers X Y	-	3					2688**						327.7**			0.29
Lines X Testers X Y	-	21					3069**						396.9**			1.33**
Error	86	172		129.39		460.82	295		20.90	67.42			44.2	0.29	0.38	0.34
S.O.V	d.f				B.W				No.B.P					S.I
	sin		comb		Y1	Y2		comb	Y1		Y2	comb		Y1	Y2	comb
Rep	2		-		0.01	0.04		-	14.52		138.94	-		0.02	0.00	-
Y	-		1					0.02				3142.33**				9.18**
Ea	-		4					0.02				76.73				0.01
Genotypes	43		43		11.12**	0.31**		0.48**	885.56**		706.01**	1377.79**		1.60**	0.91**	2.8**
Parent	11		11		2.95**	0.25**		0.46**	198.10**		158.90**	331.78**		1.11**	1.08**	1.85**
Crosses	31		31		8.14**	0.30**		0.47**	983.25**		677.41**	1376.06**		1.54**	0.84**	1.96**
parent versus crosses	1		1		0.03**	1.40**		0.94	5419.46**		7611.03**	12,937.67		8.74**	1.34**	8.45
Lines	7		7		3.43**	0.50**		0.88**	1940.25**		894.81**	2585.89**		3.74**	1.60**	4.9**
Testers	3		3		0.61**	0.83**		0.86	1524.73**		793.90**	2180.75*		1.02**	0.90**	0.74
Lines X Testers	21		21		4.11**	0.15**		0.28**	586.90**		588.30**	857.83*		0.88**	0.60**	1.15**
Genotypes X Y	-		43					0.09**				213.77**				0.43**
Parents X Y	-		11					0.06**				25.19				0.34**
Crosses X Y	-		31					0.09**				284.59**				0.42**
parent versus crosses X Y	-		1					0.49**				92.81				1.62**
Lines X Y	-		7					0.10**				249.17**				0.43**
Testers X Y	-		3					0.18**				137.83*				1.13**
Lines X Testers X Y	-		21					0.07**				317.36**				0.32**
Error	86		172		0.87	0.02		0.01	17.34		71.61	44.47		0.05	0.05	0.05

^aAnd ^b: significant at 5% and 1% levels of probability, respectively. LCY lint cotton yield, SCY seed cotton yield, SI seed index, BW boll weight, NoBP number of bolls per plant, L lint percentage

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