TABLE 4.

Genetic effects and associated standard errors for five biomass-related traits estimated by generation means analysis in Arabidopsis hybrid C24 × Col-0

Parameters	RD22 (mm)	RD29 (mm)	GR (mm/day)	DMC (%)	BY (mg)
	Model 1
μ	28.04 ± 0.43**	74.85 ± 0.66**	6.72 ± 0.05**	7.78 ± 0.10**	84.78 ± 1.78**
[a]	0.75 ± 0.69	3.57 ± 1.06*	0.36 ± 0.08**	0.46 ± 0.15*	6.47 ± 2.92
[d]	7.67 ± 1.02**	19.99 ± 1.58**	1.73 ± 0.11**	−0.80 ± 0.25*	37.57 ± 4.19**
a	11.52*	8.03	4.82	40.92**	7.19
R2 (%)	95.3	97.9	98.5	83.6	97.0
	Model 2
μ	27.51 ± 0.46**	74.32 ± 0.93**	6.73 ± 0.06**	7.92 ± 0.08**	82.44 ± 0.87**
[a]	0.59 ± 0.91	2.60 ± 1.71	0.27 ± 0.08	0.58 ± 0.11*	9.75 ± 1.73*
[d]	8.05 ± 0.89*	20.37 ± 1.77**	1.73 ± 0.10**	−0.84 ± 0.15*	39.17 ± 1.65**
[aa]	1.93 ± 1.04	1.92 ± 2.11	−0.05 ± 0.13	−0.43 ± 0.18	8.72 ± 1.97*
[ad + da]	−0.52 ± 2.39	−3.49 ± 4.67	−0.45 ± 0.27	0.67 ± 0.37	11.18 ± 4.55
a	4.22	4.81	1.92	7.35*	0.53
R2 (%)	98.3	98.8	99.4	97.1	99.8

For description of traits see materials and methods. *Significant at P < 0.05 and **significant at P < 0.01.

^aChi-square degrees of freedom are in parentheses.