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Table 1 Numerical data on somatic chromosome complements of C. grandis (male, female and gynomonoecious (GyM) plants)

From: Flower development, pollen fertility and sex expression analyses of three sexual phenotypes of Coccinia grandis

Chromosome numbers Chromosome size (μm)* (Mean ± SD) F% Position of centromere
  Male Female GyM Male Female GyM Male Female GyM
1 1.92 ± 0.07 2.01 ± 0.03 1.92 ± 0.06 50 50 50 m m m
2 1.92 ± 0.06 1.92 ± 0.06 1.92 ± 0.07 45 45 48 nm nm nm
3 1.76 ± 0.03 1.84 ± 0.06 1.82 ± 0.04 50 50 50 m m m
4 1.76 ± 0.03 1.76 ± 0.03 1.76 ± 0.06 45 47 45 nm nm nm
5 1.62 ± 0.07 1.62 ± 0.03 1.65 ± 0.03 33 33 33 sm sm sm
6 1.62 ± 0.03 1.62 ± 0.03 1.65 ± 0.03 46 46 46 nm nm nm
7 1.54 ± 0.09 1.54 ± 0.07 1.54 ± 0.07 43 43 43 nm nm nm
8 1.54 ± 0.03 1.54 ± 0.07 1.54 ± 0.09 46 47 47 nm nm nm
9 1.40 ± 0.02 1.54 ± 0.07 1.43 ± 0.05 44 47 47 nm nm nm
10 1.22 ± 0.09 1.22 ± 0.05 1.23 ± 0.03 44 46 46 nm nm nm
11 1.22 ± 0.01 1.22 ± 0.05 1.23 ± 0.03 45 45 46 nm nm nm
12 1.10 ± 0.06 1.10 ± 0.06 1.10 ± 0.06 44 46 47 nm nm nm
Y1 4.60 ± 0.07 - - 48 - - nm - -
  1. *Mean of 5 metaphase plates. GyM: gynomonoecious, m: metacentric, nm: nearly metacentric, sm: submetacentric. The karyotype of male and female plants was compared with the gynomonoecious (GyM) chromosomes. Y1: Single Y chromosome present in male sex.