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Table 3 Growth parameters obtained by imaging and ANOVA for seven rice genotypes at 14 days after sowing

From: Non-destructive phenotyping for early seedling vigor in direct-seeded rice

Traits

LB-46

GM-217

AC38399

ARC10656

Vandana

Sabita

Varshadhan

ANOVA

First leaf length (mm)

52.47 ± 5.79

39.33 ± 2.62

47.86 ± 5.29

48.90 ± 2.22

55.69 ± 1.89

61.88 ± 3.97

44.45 ± 4.16

*

Second leaf length (mm)

131.17 ± 16.29

125.18 ± 7.25

143.59 ± 6.96

120.87 ± 8.15

147.78 ± 3.62

112.42 ± 6.39

118.97 ± 4.30

NS

Third leaf length (mm)

178.21 ± 10.2

202.07 ± 4.17

173.02 ± 10.95

158.66 ± 9.32

203.80 ± 4.40

118.24 ± 17.82

158.06 ± 8.61

**

First leaf width (mm)

2.39 ± 0.48

1.83 ± 0.15

2.40 ± 0.24

2.02 ± 0.14

2.83 ± 0.11

2.54 ± 0.23

2.43 ± 0.12

NS

Second leaf width (mm)

2.38 ± 0.21

2.53 ± 0.13

2.80 ± 0.25

2.51 ± 0.14

2.78 ± 0.11

2.96 ± 0.30

2.68 ± 0.07

NS

Third leaf width (mm)

2.96 ± 0.23

2.20 ± 0.13

3.12 ± 0.43

2.4 ± 0.35

3.81 ± 0.12

2.61 ± 0.25

3.61 ± 0.27

**

First leaf area (mm2)

97.38 ± 20.53

81.10 ± 11.53

107.57 ± 17.43

115.90 ± 13.72

114.28 ± 7.06

107.52 ± 7.72

80.29 ± 12.35

NS

Second leaf area (mm2)

242.33 ± 38.73

257.90 ± 17.78

305.80 ± 31.68

214.34 ± 18.34

276.31 ± 15.97

217.15 ± 31.27

225.43 ± 23.62

NS

Third leaf area (mm2)

381.01 ± 45.32

352.48 ± 10.54

374.25 ± 57.70

268.87 ± 40.13

511.13 ± 30.33

221.04 ± 46.28

351.85 ± 54.56

**

Stem area (mm2)

185.89 ± 54

402.86 ± 30.15

176.98 ± 20.04

199.65 ± 25.43

216.80 ± 15.28

143.79 ± 13.42

171.66 ± 12.39

**

Eccentricity

205.37 ± 22.72

287.20 ± 23.04

148.08 ± 31.8

164.477 ± 17.45

241.80 ± 17.06

110.20 ± 12.64

160.49 ± 18.61

**

Convex hull (mm2)

9029.58 ± 3243

24191.40 ± 3913.40

4624.74 ± 1784

6657.24 ± 2597

17011.46 ± 3955

2635.28 ± 679.39

5376.21 ± 1912

**

Caliper length (mm)

311.49 ± 48.16

403.99 ± 25.76

227.75 ± 49

207.89 ± 21.76

415.39 ± 22.75

162.58 ± 19.40

286.71 ± 34.94

**

WPAs (mm2)

906.62 ± 89

1264.52 ± 98

964.61 ± 98.64

798.76 ± 44.57

1118.54 ± 49.51

689.49 ± 68.34

829.22 ± 75.42

**

WPAi (mm2)

1095.45 ± 178

1498.38 ± 124

726.61 ± 143

593.90 ± 61.76

1384.60 ± 86.28

514.22 ± 57.06

857.27 ± 138.47

**

Top view area (mm2)

3061.90 ± 642.51

3222.871 ± 848.06

1637.00 ± 591

1359.82 ± 337

1057.60 ± 284

1057.60 ± 284.62

1539.68 ± 422

**

Compactness

0.34 ± 0.04

0.13 ± 0.01

0.35 ± 0.03

0.20 ± 0.02

0.06 ± 0.01

0.40 ± 0.05

0.29 ± 0.02

**

  1. Mean ± standard error and significance of ANOVA are presented for each variety
  2. NS non-significant
  3. * p < 0.05; ** p < 0.001