Genetic variation of dynamic fiber elongation and developmental quantitative trait locus mapping of fiber length in upland cotton (Gossypium hirsutum L.)

Table 2 ANOVA and broad-sense heritability analysis of fiber length and growth rates at different developmental time-points

Trait	Stage	Variation source	SS	DF	MS	F-value	H² (%)
Fiber length	10 DPA	Genotype	472.02	83	5.69	8.24^**	49.14
		Environment	1149.72	2	574.86	833.65^**
		Environment × genotype	648.32	140	4.63	4.63^**
		Error	142.05	206	0.69
	15 DPA	Genotype	763.17	83	9.19	7.04^**	47.56
		Environment	2023.60	2	1011.80	775.77^**
		Environment × genotype	1235.36	142	8.70	6.67^**
		Error	267.37	205	1.30
	20 DPA	Genotype	1076.94	83	12.98	5.69^**	60.63
		Environment	1236.33	2	618.17	271.19^**
		Environment × genotype	967.14	139	6.96	3.05^**
		Error	476.40	209	2.28
	25 DPA	Genotype	1591.15	83	19.17	8.48^**	71.06
		Environment	2910.86	2	1455.43	643.91^**
		Environment × genotype	984.94	143	6.89	3.04^**
		Error	472.40	209	2.26
	Maturity	Genotype	1179.88	83	14.22	61.10^**	92.45
		Environment	3.44	2	1.72	7.40^**
		Environment × genotype	147.00	166	0.89	3.82^**
		Error	52.58	226	0.23
Fiber growth rate	0–10 DPA	Genotype	4.72	83	0.06	8.24^**	51.90
		Environment	11.50	2	5.75	833.65^**
		Environment × genotype	6.48	140	0.05	6.71^**
		Error	1.42	206	0.01
	10–15 DPA	Genotype	34.84	83	0.42	5.39^**	39.96
		Environment	7.94	2	3.97	51.02^**
		Environment × genotype	69.86	136	0.51	6.60^**
		Error	15.02	193	0.08
	15–20 DPA	Genotype	51.76	83	0.62	3.98^**	45.27
		Environment	49.10	2	24.55	156.86^**
		Environment × genotype	76.79	136	0.56	3.60^**
		Error	30.52	195	0.16
	20–25 DPA	Genotype	38.77	83	0.47	2.37^**	42.57
		Environment	36.59	2	18.29	93.17^**
		Environment × genotype	50.42	138	0.37	1.86^**
		Error	38.87	198	0.20
	25-maturity	Genotype	1.05	83	0.01	2.94^**	44.70
		Environment	4.39	2	2.19	508.93^**
		Environment × genotype	1.48	143	0.01	2.40^**
		Error	0.89	206	0.00

ISSN: 1471-2164