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Table 3 Polymorphism of 24 TRAP marker combinations on 30 sweet sorghum genotypes

From: Suitability of target region amplified polymorphism (TRAP) markers to discern genetic variability in sweet sorghum

Gene function Primer (marker) combinations Total number of bands Number of polymorphic bands Polymorphic bands (%)
Forward (fixed) Reverse (arbitrary)
Lignin biosynthesis Cinnamoyl coA reductase (CCR) Em01 54 36 66.67
Em02 63 36 57.14
Em03 63 45 71.43
Em04 72 63 87.50
Cinnamoyl alcohol dehydrogenase (CAD) Em01 90 63 70.00
Em02 81 45 55.56
Em03 63 36 57.14
Em04 63 36 57.14
Caffeic acid 3-O-methyltransferase (COMT) Em01 108 90 83.33
Em02 99 81 81.82
Em03 81 63 77.78
Em04 90 72 80.00
Total 927 666  
Mean 142.62 102.46 70.46
Sucrose biosynthesis Sucrose synthase (SUSy) Em01 45 36 80.00
Em02 54 36 66.67
Em03 36 27 75.00
Em04 45 27 60.00
Sucrose phosphate synthase (SPS) Em01 72 54 75.00
Em02 90 54 60.00
Em03 45 27 60.00
Em04 63 45 71.43
Soluble acid invertase (Inv) Em01 72 54 75.00
Em02 54 36 66.67
Em03 81 63 77.78
Em04 54 36 66.67
Total 711 495  
Mean 59.25 41.25 69.52
Grand total 1638 1161  
Grand mean 68.25 48.38 70.88
  1. T total number of loci; PL polymorphic loci; P% polymorphism percentage