Table 2 Heterosis in plant height and internode length in hybrid Ai9/Jiai8

ear

5.36 ± 0.19^a)

5.76 ± 0.18

5.5 ± 0.18

4.73%

8.66 ± 0.21^b)

10.30 ± 0.23

9.88 ± 0.20

4.25%

1th internode

13.92 ± 1.21

22.23 ± 2.35**

16.36 ± 1.82

35.88%

18.15 ± 1.68

27.68 ± 2.25**

20.35 ± 2.13

36.02%

2th internode

12.84 ± 1.13

16.25 ± 1.85**

13.72 ± 1.24

18.44%

16.56 ± 1.23

21.78 ± 1.96

18.23 ± 1.37

19.47%

3th internode

8.32 ± 0.52

9.62 ± 0.86**

8.50 ± 0.93

13.18%

10.26 ± 0.98

12.33 ± 1.23

11.18 ± 1.12

10.29%

4th internode

6.30 ± 0.28

7.33 ± 0.68**

5.60 ± 0.27

16.35%

8.66 ± 0.63

9.78 ± 0.76

9.03 ± 0.57

8.31%

5th internode

2.20 ± 0.28

2.65 ± 0.19

2.44 ± 0.28

8.61%

3.06 ± 0.32

3.67 ± 0.27

3.31 ± 0.33

10.88%

plant height

48.94 ± 8.41

63.84 ± 5.5**

52.15 ± 7.81

22.42%

65.35 ± 6.22

85.54 ± 7.35**

71.98 ± 7.18

18.84%