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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