Skip to main content

Table 1 Heterosis analysis of hybrids generated by crossing of T449 and neo-tetraploid (H1) rice lines

From: Carbohydrate metabolism and fertility related genes high expression levels promote heterosis in autotetraploid rice harboring double neutral genes

Traits

T449

H1

F1

MPH (%)

HPH (%)

PH (cm)

87.40 ± 3.91

102.50 ± 3.09

116.44 ± 3.74

22.63

13.60

EP

4.40 ± 0.55

7.60 ± 1.34

6.60 ± 1.34

10.00

−13.16

GL (cm)

8.07 ± 0.11

8.92 ± 0.12

8.80 ± 0.16

3.59

−1.35

GW (cm)

2.71 ± 0.15

3.23 ± 0.05

3.10 ± 0.09

4.38

−4.02

TGW (g)

30.20 ± 0.89

36.85 ± 0.56

36.15 ± 0.41

7.83

−1.90

FGP

127.00 ± 31.89

421.20 ± 49.26

757.00 ± 166

176.18

79.72

TGP

612.00 ± 100.21

614.60 ± 134.33

907.80 ± 179.58

48.02

47.71

GYP (g)

3.83 ± 0.93

15.53 ± 1.90

27.32 ± 5.79

182.36

75.98

SS (%)

20.55 ± 2.63

69.75 ± 7.79

83.12 ± 2.83

84.10

19.17

PF (%)

35.10 ± 6.28

77.95 ± 2.26

77.01 ± 0.47

36.24

−1.21

  1. Note: Fifteen plants were selected for traits investigations; HPH: High-parent heterosis; MPH: Mid-parent heterosis. PH: Plant height; EP: Effective number of panicles per plant; GL: Grain length; GW: Grain width; TGW: 1000-grain weight; FGP: Filled grains per plant; TGP: Total grains per plant; GYP: Grain yield per plant; SS: Seed setting; PF: Pollen fertility; ±: represents standard deviation