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Table 4 Estimates of QTL allele substitution effect (), location and efficiency of selection in BC1 and BC4 when N = 1000 (se are in italic font).

From: Combined detection and introgression of QTL in outbred populations

α b

Locationc

Efficiency of selection

 

BC1

BC4

BC1

BC4

BC1

BC4

p(Q d ) = 0.90, p(Q r ) = 0.10 and population = 1000

2.23

1.81 ± 0.02

1.77 ± 0.01

85.1 ± 0.2

85.1 ± 0.0

0.91 ± 0.00

0.90 ± 0.00

1.48

1.16 ± 0.02

1.18 ± 0.01

85.2 ± 0.3

84.8 ± 0.1

0.90 ± 0.00

0.90 ± 0.00

1.02

0.84 ± 0.01

0.81 ± 0.01

85.5 ± 0.4

85.3 ± 0.1

0.89 ± 0.00

0.89 ± 0.00

p(Q d ) = 0.75, p(Q r ) = 0.25 and population = 1000

2.23

1.08 ± 0.03

1.05 ± 0.02

81.9 ± 1.7

85.5 ± 0.3

0.80 ± 0.00

0.80 ± 0.00

1.48

0.78 ± 0.02

0.73 ± 0.01

83.2 ± 1.2

84.9 ± 0.3

0.81 ± 0.00

0.80 ± 0.00

1.02

0.54 ± 0.02

0.51 ± 0.01

78.8 ± 1.6

85.0 ± 0.3

0.79 ± 0.00

0.78 ± 0.00

p(Q d ) = 0.90, p(Q r ) = 0.10 and population = 500

2.23

1.80 ± 0.03

1.49 ± 0.02

84.9 ± 0.4

84.8 ± 0.1

0.90 ± 0.00

0.89 ± 0.00

1.48

1.25 ± 0.02

1.02 ± 0.02

83.4 ± 0.9

84.8 ± 0.2

0.89 ± 0.00

0.87 ± 0.01

1.02

0.83 ± 0.03

0.69 ± 0.01

80.5 ± 1.5

85.0 ± 0.4

0.87 ± 0.01

0.85 ± 0.01

p(Q d ) = 0.75, p(Q r ) = 0.25 and population = 500

2.23

1.19 ± 0.03

0.92 ± 0.02

82.5 ± 1.2

85.7 ± 0.3

0.79 ± 0.01

0.79 ± 0.01

1.48

0.78 ± 0.03

0.58 ± 0.01

75.9 ± 2.2

82.9 ± 0.7

0.78 ± 0.01

0.75 ± 0.00

1.02

0.54 ± 0.03

0.42 ± 0.01

68.2 ± 2.7

79.8 ± 1.1

0.76 ± 0.01

0.72 ± 0.01

  1. a Marker frequencies and QTL frequencies are identical in the donor line
  2. b True QTL allele substitution effect; allele substitution effects of 2.23, 1.48 and 1.02 correspond to heritability values of 0.50, 0.31 and 0.17, respectively
  3. c True QTL location corresponds to interval 85