TABLE 1

Comparison of the genetic length of each chromosome in maps derived from BC1 L. esculentum × S. lycopersicoides and F2 and BC1 L. esculentum × L. pennellii populations

Total centimorgansMap ratio
ChromosomeBC-LS (♂) mapF2-LP mapaBC-LP (♂) mapaBC-LS/F2-LPBC-LS/BC-LP
11181281220.920.97
2851241100.690.77
3701261170.550.60
4b4668690.680.67
563971070.640.59
651921030.550.50
78392980.900.85
86492830.700.77
9107971181.100.91
102690850.290.31
115983930.720.64
129591931.041.02
All867118011980.730.72
  • For the BC-LS (this study) and BC-LP (de Vicente and Tanksley 1991) maps, the respective F1 hybrids were used as male parents in crosses to cultivated tomato. The total lengths of F2-LP (Tanksley et al. 1992) and BC-LP maps were adjusted to include only marker intervals shared with the BC-LS map.

  • a F2- and BC-LP maps include only intervals tested in BC-LS; also, BC-LP map adjusted to include distal markers on F2-LP map by assuming a constant map ratio of BC-LP/F2-LP.

  • b Does not include map distances between two linkage groups for this chromosome on BC-LS map.