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Table 1 Phenotypic Analysis of Super Hybrid WFYT025 Combination

From: Genetic analysis for the grain number heterosis of a super-hybrid rice WFYT025 combination using RNA-Seq

Traits

CHT025

WFYT025

WFB

MPH (%)

HPH (%)

Spike length(cm)

23.24 ± 1.75

24.34 ± 0.67

19.61 ± 1.71

13.64**

4.74

Primary branch number

12.89 ± 1.45

11.45 ± 1.00

8.46 ± 1.26

7.10*

− 11.21

Secondary branch number

49.26 ± 9.66

45.67 ± 5.44

26.51 ± 5.21

20.39*

− 7.28

Solid grain number

227.40 ± 42.72

221.43 ± 18.30

141.42 ± 17.60

20.01*

− 2.63

Total grain number

251.36 ± 40.39

247.08 ± 21.20

151.21 ± 17.89

22.64**

− 1.70

Empty grain number

23.95 ± 6.52

25.65 ± 10.68

9.78 ± 2.49

51.30*

7.08

Seed setting ratio (%)

89.65 ± 0.04

89.04 ± 4.29

93.05 ± 1.62

−2.54

−5.16

1000-grain weight (g)

18.64 ± 0.92

22.44 ± 0.63

23.60 ± 0.34

6.25*

− 5.15

Tiller

6.8 ± 0.92

8.7 ± 1.25

10.4 ± 2.50

1.16

−16.34

Yield per plant (g)

29.89 ± 7.02

42.8 ± 2.80

34.8 ± 6.89

32.32**

22.99**

  1. **Significant difference with p < 0.01
  2. *Significant difference with p < 0.05