. 2020 Feb 10;21:141. doi: 10.1186/s12864-020-6553-9

Table 1.

Variation of yield component traits for Longgu7, Yugu1, and their RIL population

Trait	Environment	Parents			Population
Trait	Environment	P₁	P₂	P₁- P₂	Range	Min	Max	Mean	SD	Variance	Skewness	Kurtosis
SWP	2017-DH	9.08	15.54	− 6.46	16.90	5.41	22.31	11.59	3.27	10.71	0.63	0.22
	2017-HN	13.77	23.82	−10.05	24.82	9.66	34.48	20.12	4.87	23.75	0.20	−0.18
	2017-WW	9.37	17.61	−8.24	22.20	7.20	29.40	18.83	3.85	14.83	0.33	0.57
	2018-GG	12.35	25.45	−13.1	22.84	9.27	32.10	18.57	4.56	20.76	0.65	0.50
	2018-HN	16.87	27.15	−10.28	25.63	9.42	35.05	20.54	5.18	26.79	0.45	−0.12
PWE	2017-DH	12.35	16.91	−4.56	19.01	7.57	26.58	13.72	3.44	11.82	0.96	1.85
	2017-HN	11.83	21.19	−9.36	21.60	5.56	27.16	13.50	3.34	11.13	0.69	1.59
	2017-WW	10.64	11.81	−1.17	17.87	7.33	25.20	15.68	3.32	11.05	0.43	0.15
	2018-GG	12.12	19.14	−7.02	20.00	5.38	25.37	14.02	3.71	13.79	0.50	0.10
	2018-HN	16.94	34.37	− 17.43	29.70	9.65	39.34	23.36	4.88	23.82	0.36	0.59
GWP	2017-DH	8.86	13.25	−4.39	15.93	4.01	19.94	9.92	2.67	7.14	0.79	1.21
	2017-HN	9.97	16.71	−6.74	19.98	3.38	23.36	10.81	2.82	7.95	0.74	2.58
	2017-WW	8.17	9.36	−1.19	19.57	5.53	25.11	13.04	3.05	9.30	0.61	1.21
	2018-GG	10.15	12.52	−2.37	13.74	2.91	16.65	9.30	3.13	9.79	0.20	−0.63
	2018-HN	14.13	31.25	−17.12	26.78	7.50	34.29	19.80	4.04	16.30	0.31	0.90
TGW	2017-DH	2.64	2.92	−0.28	1.20	2.00	3.20	2.66	0.24	0.06	−0.08	0.01
	2017-HN	3.42	3.90	−0.48	1.45	2.54	3.99	3.25	0.24	0.06	0.07	0.56
	2017-WW	2.56	2.99	−0.43	1.30	2.40	3.70	2.86	0.23	0.05	0.54	0.64
	2018-GG	2.61	2.75	−0.14	2.43	1.54	3.97	2.36	0.33	0.11	0.69	2.23
	2018-HN	3.66	3.77	−0.11	1.80	2.40	4.20	3.39	0.30	0.09	0.19	0.40

SWP Straw weight per plant, PWP Panicle weight per plant, GWP Grain weight per plant, TGW 1000-grain weight. DH Dunhuang, HN Huining, WW Wuwei, GG Gangu. 2017 and 2018 represented years. P₁:Longgu7; P₂: Yugu1