Table 1 Arm ratio of individual chromosomes in six Solanum species
ChromosomeS. tuberosum (potato)S. bulbocastanumS. lycopersicum (tomato)S. etuberosumS. caripense (tzimbalo)S. melongena (eggplant)
11.80 ± 0.462.20 ± 0.381.57 ± 0.251.71 ± 0.632.56 ± 0.601.44 ± 0.27
2a3.63 ± 0.613.94 ± 0.733.31 ± 1.372.89 ± 0.603.32 ± 1.132.58 ± 0.76
32.67 ± 0.492.29 ± 0.642.96 ± 0.491.76 ± 0.312.83 ± 0.681.37 ± 0.18
41.50 ± 0.221.64 ± 0.252.21 ± 0.371.21 ± 0.141.43 ± 0.431.46 ± 0.24
51.30 ± 0.131.32 ± 0.221.17 ± 0.121.25 ± 0.141.23 ± 0.241.35 ± 0.21
61.98 ± 0.291.78 ± 0.492.11 ± 0.341.63 ± 0.272.53 ± 0.641.63 ± 0.25
71.85 ± 0.321.75 ± 0.211.67 ± 0.321.27 ± 0.282.40 ± 0.691.20 ± 0.13
81.90 ± 0.252.04 ± 0.491.84 ± 0.382.37 ± 0.542.61 ± 0.551.14 ± 0.11
91.96 ± 0.291.55 ± 0.181.81 ± 0.291.26 ± 0.221.58 ± 0.481.47 ± 0.20
101.38 ± 0.181.50 ± 0.331.44 ± 0.201.51 ± 0.191.52 ± 0.321.48 ± 0.20
111.19 ± 0.151.16 ± 0.101.55 ± 0.171.17 ± 0.111.50 ± 0.341.22 ± 0.28
121.43 ± 0.271.28 ± 0.211.32 ± 0.211.53 ± 0.321.49 ± 0.651.12 ± 0.09
  • Measurement was conducted on each chromosomal arm in 10 metaphase cells.

  • a The 45S rDNA on the short arm of chromosome 2 was not included in the measurement.