Table 1.

Summary statistics for seeds of the Ler × Cvi RIL population that had been after-ripened for 15 or 90 d, then induced to germinate by chilling (0, 3 or 10 d) and then subjected to a saturated pulse of light (R or FR)

	After-ripening period
	15 d						90 d
	Red pulse			Far-red pulse			Red pulse			Far-red pulse
	Chilling (d)
	0	3	10	0	3	10	0	3	10	0	3	10
Ler	0	74 ± 9	97 ± 4	0	1 ± 1	79 ± 3	74 ± 9	77 ± 7	94 ± 4	1 ± 1	47 ± 9	79 ± 3
Cvi	0	13 ± 4	68 ± 2	0	0	60 ± 0	0	30 ± 12	68 ± 2	0	13 ± 4	60 ± 0
RIL mean	23 ± 2	64 ± 3	83 ± 2	0·5	11 ± 1	78 ± 3	33 ± 3	64 ± 3	83 ± 2	8 ± 1	11 ± 1	72 ± 2
RIL max / min	98 / 0	100 / 0	100 / 7	16 / 0	97 / 1	100 / 7	98 / 0	100 / 0	100 / 9	78 / 0	97 / 1	100 / 6
Vg	833·5	1024·8	443·8	3·5	282·5	588·4	961·7	1021·5	469·8	173·9	281·2	776·2
Ve	14·2	40·3	41·2	0·9	28·7	50·2	29·2	29·7	27·5	10·9	18·7	32·1
H2	0·98	0·96	0·92	0·79	0·91	0·92	0·97	0·97	0·94	0·94	0·94	0·96

Vg, component of variance due to among-RIL variation.

V_e, component of variance due to within-RIL variation.

H², broad-sense heritability calculated as the proportion of total variance (V_g + V_e) attributable to genotype (V_g).