Tocopherols in Sunflower Seedlings under Light and Dark Conditions

Table 2

Analysis of variance (percentage of total mean squares) for -, -, -, -, and total tocopherol (T) content (mg kg⁻¹ dry tissue) in cotyledons and roots of seedlings from ten sunflower lines grown under light and dark conditions from 2 to 12 days after sowing (DAS).

Source of variation	-T	-T	-T	-T	Total T
Genotype (G)	61.89	70.00	74.60	87.74	18.34
Tissue (T)	15.61	16.59	14.33	6.48	50.39
Light (L)	6.18	1.13	4.05	0.63	12.84
DAS (D)	4.54	3.61	1.10	1.74	10.12
G × T	8.60	6.72	3.19	1.67	4.99
G × L	1.30	0.42	0.65	0.33	0.73
G × D	0.65	1.02	0.63	0.72	0.23
T × L	0.42	0.01^ns	0.23	0.03^ns	0.54
T × D	0.27	0.15	0.34	0.26	0.84
L × D	0.22	0.12	0.21	0.07	0.53
G × T × L	0.11	0.02^ns	0.30	0.04	0.10
G × T × D	0.08	0.05	0.13	0.12	0.07
G × L × D	0.06	0.09	0.12	0.09	0.07
T × L × D	0.06	0.03^ns	0.06	0.03^ns	0.15
G × T × L × D	0.02^ns	0.03	0.03	0.02^ns	0.03^ns
Error	0.02	0.02	0.02	0.02	0.03

Significant at the 1% and 5% probability levels, respectively.
ns: not significant.