Genetic identification and characterization of chromosomal regions for kernel length and width increase from tetraploid wheat

Table 1 Phenotype variance explained (PVE), standard deviation (STD) and the broad-sense heritability (H²) of kernel length (KL) and width (KW) for the parents and AM RIL population in different environments

Trait	Environment	Parents		Ailanmai × LM001 (AM)
Trait	Environment	Ailanmai	LM001	Range	Mean	STD	H²
KL (mm)	2017CZ	N	N	5.96–9.06	8.11	0.56	0.79
	2018CZ	6.28^**	8.15	5.90–9.00	8.14	0.58
	2019CZ	6.67^**	8.65	6.59–9.40	8.46	0.52
	2020CZ	6.28^**	8.35	6.51–9.43	8.48	0.54
	2020WJ	6.56^**	8.49	5.86–9.16	8.25	0.60
	2020YA	6.70^**	8.52	7.18–9.11	8.46	0.45
	BLUP	6.58^**	8.39	6.47–9.04	8.31	0.46
KW (mm)	2017CZ	N	N	2.89–3.72	3.43	0.19	0.72
	2018CZ	3.90^**	3.34	3.16–3.82	3.54	0.15
	2019CZ	3.92^**	3.42	3.21–4.16	3.64	0.20
	2020CZ	3.96^**	3.35	2.74–3.95	3.49	0.24
	2020WJ	3.91^**	3.33	3.19–4.14	3.58	0.18
	2020YA	3.81^**	3.37	2.92–3.87	3.46	0.20
	BLUP	3.82^**	3.38	3.26–3.80	3.52	0.11

KL kernel length, KW kernel width, CZ Chongzhou, WJ Wenjiang, YA Ya’an, STD standard deviation, H² the broad-sense heritability, BLUP phenotype values based on BLUP, N the data was missing; ^** Significance at the 0.01 probability level; ^* Significance at the 0.05 probability level

ISSN: 1471-2164