Table 2.

Analysis of variance (percentage of total mean squares) for α-, β-, γ-, δ-, 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	α-T	β-T	γ-T	δ-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∗∗	0.01ns	0.23∗∗	0.03ns	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∗∗	0.02ns	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∗∗	0.03ns	0.06∗∗	0.03ns	0.15∗∗
G × T × L × D	0.02ns	0.03∗	0.03∗∗	0.02ns	0.03ns
Error	0.02	0.02	0.02	0.02	0.03

^∗∗,∗Significant at the 1% and 5% probability levels, respectively.

ns: not significant.