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

Table 1 Statistics of phenotypic variations in the dynamic fiber length and growth rates in upland cotton

Trait	Environment	Stage	Inbred lines			SD	Skewness	Kurtosis	CV (%)
Trait	Environment	Stage	Min	Max	Mean	SD	Skewness	Kurtosis	CV (%)
Fiber length (mm)	Anyang-Yf 2014	10 DPA	7.17	14.63	10.87	1.55	0.31	0.84	14.26
		15 DPA	15.53	25.83	20.96	2.01	0.22	0.31	9.59
		20 DPA	20.57	30.27	26.18	2.57	0.52	1.29	9.80
		25 DPA	17.93	28.23	25.12	1.93	−1.54	3.19	7.68
		Maturity	23.14	33.8	28.48	1.78	0.73	5.67	6.25
	Anyang-Yf 2015	10 DPA	7.92	15.46	10.8	1.11	1.03	3.65	10.28
		15 DPA	10.13	23.42	19.2	2.41	−1.73	3.83	12.53
		20 DPA	22	31.83	28.35	1.96	−1.23	2.07	6.91
		25 DPA	19.33	34.75	30.91	2.66	−1.31	3.61	8.61
		Maturity	22.1	32.9	28.47	1.86	−0.46	1.19	6.53
	Anyang-Xt 2016	10 DPA	11	18	14.47	1.35	0.05	−0.03	9.33
		15 DPA	17	28.5	24.3	1.98	−0.73	1.5	8.15
		20 DPA	24.33	34.25	30.56	1.82	−0.34	0.78	5.96
		25 DPA	26	36.29	31.33	2.12	0.32	0.77	6.77
		Maturity	22.3	34.87	28.88	1.8	−0.25	2.42	6.23
Fiber growth rate (mm/day)	Anyang-Yf 2014	0–10 DPA	0.72	1.46	1.09	0.16	0.3	0.84	14.68
		10–15 DPA	0.57	3.41	2.02	0.54	0.06	0.77	26.73
		15–20 DPA	−0.61	2.79	1.04	0.62	0.3	0.72	59.62
		20–25 DPA	−1.55	0.56	−0.22	0.46	−0.59	− 0.13	−209.09
		25-maturity	0.04	0.32	0.13	0.06	0.82	0.88	46.15
	Anyang-Yf 2015	0–10 DPA	0.79	1.54	1.08	0.11	1.03	3.65	10.19
		10–15 DPA	0.02	2.58	1.68	0.46	−1.35	2.59	27.38
		15–20 DPA	0.16	3.7	1.83	0.58	0.57	1.81	31.69
		20–25 DPA	−0.55	1.87	0.52	0.47	0.43	0.76	90.38
		25-maturity	−0.27	0.21	−0.09	0.08	0.8	1.71	−88.89
	Anyang-Xt 2016	0–10 DPA	1.1	1.8	1.45	0.14	0.05	−0.03	9.66
		10–15 DPA	0.45	2.8	1.95	0.42	−0.8	1.19	21.54
		15–20 DPA	0.3	2.45	1.26	0.43	0.76	0.77	34.13
		20–25 DPA	−0.68	1.51	0.18	0.44	0.29	0.14	244.44
		25-maturity	−0.29	0.05	−0.1	0.06	0	0.15	−60.00

ISSN: 1471-2164