Ploidy effect and genetic architecture exploration of stalk traits using DH and its corresponding haploid populations in maize

Table 1 Phenotypic performance of all stalk traits in DH and haploid populations

Trait	Unit	Population Ploidy	Z58 (mean ± SD^a)	C7-2 (mean ± SD)	t test^b	PM^c	F₁ plants/8	PA^d	CV (%)^e
RPR	N/mm²	DH	49.45 ± 4.09	56.68 ± 4.23	*	53.07	46.32 ± 4.37	46.32 ± 5.76	24.17
RPR	N/mm²	Haploid	32.67 ± 3.71	43.34 ± 3.62	**	38.01		38.60 ± 5.79	26.38
IVDMD	%	DH	55.02 ± 3.97	49.92 ± 4.04	NS	52.47	56.42 ± 4.55	50.83 ± 6.83	21.66
IVDMD	%	Haploid	56.07 ± 2.40	46.07 ± 2.33	**	51.07		53.19 ± 5.29	13.50
WC	%	DH	73.12 ± 2.50	78.73 ± 2.58	**	75.93	75.54 ± 2.70	75.36 ± 2.51	7.56
WC	%	Haploid	69.05 ± 2.58	78.25 ± 2.50	**	73.65		70.59 ± 2.61	8.28
ADF	%	DH	30.23 ± 3.46	37.37 ± 3.52	**	33.8	29.35 ± 3.70	34.75 ± 5.14	14.70
ADF	%	Haploid	26.70 ± 2.60	36.78 ± 2.54	**	31.74		28.15 ± 4.70	16.70
NDF	%	DH	48.86 ± 4.79	60.41 ± 4.86	**	54.64	47.04 ± 5.44	55.02 ± 7.24	13.15
NDF	%	Haploid	45.09 ± 3.42	62.44 ± 3.36	**	53.76		49.70 ± 6.07	12.22
Lig	%	DH	7.83 ± 1.03	7.74 ± 1.05	NS	7.79	9.75 ± 1.20	8.64 ± 1.15	13.31
Lig	%	Haploid	8.84 ± 1.00	8.59 ± 0.97	NS	8.71		9.44 ± 1.45	15.32
Cel	%	DH	24.64 ± 2.45	29.68 ± 2.49	**	27.16	22.05 ± 2.72	26.89 ± 3.46	24.36
Cel	%	Haploid	22.52 ± 2.33	30.83 ± 2.28	**	26.67		24.42 ± 3.34	25.67
WSC	%	DH	25.08 ± 4.52	21.22 ± 4.60	NS	23.15	25.20 ± 4.98	23.35 ± 5.31	49.48
WSC	%	Haploid	25.91 ± 3.40	16.22 ± 3.31	**	21.06		25.73 ± 5.24	35.28

ISSN: 1471-2229