Table 2 Statistics regarding the estimation error of the spikelet number per panicle.

From: A method for estimating spikelet number per panicle: Integrating image analysis and a 5-point calibration model

Panicle varieties

Error range/%

20% test

Calibration curves test

Area/%

TLPB2(image)/%

TLPB2/%(manual)

Area/%

TLPB2/%

A

5

88.89

55.56

57.89

82.76

54.02

10

100

72.22

84.21

100

80.46

B

5

82.86

68.57

71.43

84.80

67.25

10

100

100

95.24

98.25

93.57

C

5

59.52

42.86

78.05

72.08

51.27

10

97.62

88.10

90.24

97.46

82.23

D

5

60.61

39.39

57.50

69.23

40.66

10

96.97

78.79

87.50

93.96

73.08

E

5

57.50

35

48.78

65.46

34.54

10

90

65

68.29

93.30

61.34

F

5

82.50

60

60.98

84.54

57.22

10

100

90

85.37

98.45

85.05

  1. Error range: sample number (error less than 5% or 10%) divided by the total number of examined samples for each variety.