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Table 1 Summary of the foreground and background selections carried out during backcross generations

From: Introgression of null allele of Kunitz trypsin inhibitor through marker-assisted backcross breeding in soybean (Glycine max L. Merr.)

Generation

Selection

Cross combination

No. of plants screened

No. of heterozygous plants

No. of plants tested for background selection

No. of background markers surveyed

RPG content range (%)

F1

Foreground selection

DS9712 x PI542044

82

78

-

-

-

F1

Foreground selection

DS9814 x PI542044

69

53

-

-

-

BC1F1

Foreground & background selection

DS9712 x PI542044

59

19

19

93

70.43–87.63

BC1F1

Foreground & background selection

DS9814 x PI542044

52

10

10

81

60.26–73.78

BC2F1

Foreground & backgroundselection

DS9712 x PI542044

73

38

38

23–24

93.01–98.82

BC2F1

Foreground & background selection

DS9814 x PI542044

29

15

15

41–45

83.3–91.67