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Table 2 Basic statistical analysis and diversity of the 15 phenotypic traits

From: Genetic diversity and population structure of 93 rice cultivars (lines) (Oryza sativa Xian group) in Qinba in China by 3 types of genetic markers

Phenotypic traits

Mean±SD

Median

Mode

Rang

CV (%)

He

The period from seeding to heading(d)

102.95±10.543

105

110

47

10.24

1.91

Plant heights (cm)

112.766±14.994

115.600

121.8

65.6

13.30

2.05

Leaf length (cm)

38.6727±7.51025

37.5600

30.12

53.76

19.42

1.89

Leaf width (cm)

2.0423±0.33795

2.0800

1.54

1.44

16.55

2.08

Average single plant valid spike number

7.74±2.007

7.50

6

11

25.83

2.03

Spike lengths (cm)

25.07±2.593

24.98

24

13

10.34

2.02

Kernel numbers per spike

174.42±52.668

165.61

190

358

30.20

1.92

Grain number

159.68±49.365

153.17

176

332

30.91

1.92

1000-seed weights (g)

26.75±4.129

27.12

20

17

15.44

2.06

Brown rice rate (100%)

78.76±2.414

78.85

79

23

3.07

1.79

Milled rice rate (100%)

58.80±4.439

59.42

67

19

7.59

2.04

Head rice rate (100%)

53.61±8.955

56.20

59

51

16.70

1.89

Chalky rice rate

32.17±31.064

19.90

1

99

96.56

1.68

Chalkiness

11.97±16.45

5

0

80

137.43

1.55

Length-width ratio

2.39±0.293

2.40

2

1

12.26

1.96

  1. Most phenotypic traits were correlated or significantly correlated. The most significant correlation was between kernel numbers per spike and grain number, followed by that between chalky rice rate and chalkiness. However, the correlation between chalky rice rate and length-width ratio was the least significant, followed by that between leaf width and average single plant valid spike number (Table 3)