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Table 4 TRAP marker attributes and diversity indices of 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 PIC RP MI H G D
Forward (fixed) Reverse (arbitrary)
Lignin biosynthesis Cinnamoyl coA reductase (CCR) Em01 0.24 6.53 0.96 3.38 0.214
Em02 0.29 6.87 1.16 3.34 0.344
Em03 0.42 8.13 2.10 3.17 0.281
Em04 0.18 10.67 1.26 3.37 0.202
Cinnamoyl alcohol dehydrogenase (CAD) Em01 0.37 12.27 2.59 3.19 0.415
Em02 0.38 7.27 1.90 3.38 0.343
Em03 0.39 5.40 1.56 3.28 0.340
Em04 0.35 6.27 1.40 3.27 0.374
Caffeic acid 3-O-methyltransferase (COMT) Em01 0.31 17.80 3.10 3.37 0.317
Em02 0.23 13.73 2.07 3.36 0.200
Em03 0.41 10.53 2.87 3.28 0.393
Em04 0.37 14.20 2.96 3.10 0.324
Mean 0.33 9.97 1.99 3.29 0.374
Sucrose Biosynthesis Sucrose synthase (SUSy) Em01 0.27 6.53 1.08 3.10 0.368
Em02 0.27 6.67 1.08 3.28 0.290
Em03 0.29 4.80 0.87 3.37 0.381
Em04 0.23 5.27 0.69 3.37 0.233
Sucrose phosphate synthase (SPS) Em01 0.45 9.93 2.70 2.15 0.397
Em02 0.39 9.73 2.34 3.31 0.322
Em03 0.33 5.40 0.99 3.39 0.481
Em04 0.22 9.07 1.10 3.34 0.258
Soluble acid invertase (Inv) Em01 0.32 10.93 1.92 3.30 0.248
Em02 0.37 6.93 1.48 3.29 0.409
Em03 0.33 10.93 2.31 3.30 0.402
Em04 0.32 6.73 1.28 3.38 0.357
Mean 0.32 7.74 1.49 3.22 0.345
Grand mean 0.32 8.86 1.74 3.25 0.329
  1. PIC Polymorphic information content; RP Resolving power; MI Marker index; H Shannon diversity index, GD Gene diversity (expected heterozygosity)