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. 2012 Oct 2;126(2):389–399. doi: 10.1007/s00122-012-1987-3

Table 4.

Least square mean and tests of fixed effects for individual and contrast comparisons of CrtRB1 genotypes for different carotenoid compounds across 15 segregating populations representing 5 distinct genetic backgrounds

Individual and contrast effects of CrtRB1 genotypes LUT ZEA BCX BC ProA
Mean ± SE; P > |t| Mean ± SE; P > |t| Mean ± SE; P > |t| Mean ± SE; P > |t| Mean ± SE; P > |t|
HH (“1”) 10.9 ± 1.6 10.6 ± 2.9** 6.8 ± 0.7** 13.4 ± 1.1** 16.8 ± 1.3**
Hh (“H”) 14.5 ± 1.6 19.2 ± 2.9** 7.0 ± 0.7** 6.8 ± 1.1** 10.6 ± 1.3**
hh (“2”) 12.4 ± 1.6 26.6 ± 2.9** 7.6 ± 0.7** 3.5 ± 1.1* 7.0 ± 1.3**
HH (“1”) versus Hh (“H”) 3.6 ± 2.3 −8.7 ± 4.1* 0.2 ± 0.09NS 6.6 ± 1.7** 6.2 ± 1.9*
HH (“1”) versus hh (“2”) 1.5 ± 2.3 −16.1 ± 4.1** 0.8 ± 0.09NS 9.9 ± 1.7** 9.8 ± 1.9**
Hh (“H”) versus hh (“2”) 2.0 ± 2.3 −7.4 ± 4.1NS 0.6 ± 0.09NS 3.3 ± 1.7* 3.7 ± 1.9NS

LUT Lutein, ZEA Zeaxanthin, BCX Betacryptopxanthin, BC Beta-carotene, ProA total provitamin A carotenoids, NS not significant

ProA = BC + (0.5 × BCX)

* Significant at P < 0.05

** Significant at P < 0.01