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

From: Gibberellins and heterosis of plant height in wheat (Triticum aestivum L.)

  female parent (Ai9) hybrid male parent (Jiai8) HP heterosis
ear 5.36 ± 0.19a) 5.76 ± 0.18 5.5 ± 0.18 4.73%
  8.66 ± 0.21b) 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%
  1. *, ** : different between hybrid and high parent at p < 0.05 and p < 0.01), respectively.
  2. a) Data from greenhouse experiment in 2005; b) Data from field experiment in 2006/07