Sunflower / Tournesol
Open Access

Table 6

Heterosis over mid-parent (MP), better-parent (BP) for seed yield plant−1, seed and oil yield ha−1 in sunflower genotypes.

Hybrid Seed yield /plant (g) Seed yield (t/ha) Oil yield (t/ha)



MP BP MP BP MP BP
A1 × Rf1 38.58** 22.96** 67.20 50.06 71.05 57.92
A1 × Rf9 66.66** 37.44** 131.25 75.07 143.79* 75.08
A1 × Rf18 33.02** 12.54* 78.51 46.93 68.74 38.24
A5 × Rf1 60.93** 38.26** 115.86 92.12 123.77* 111.08
A5 × Rf9 40.03** 12.17* 92.91 45.11 104.79 49.18
A5 × Rf18 46.70** 20.42** 97.28 61.18 105.08 71.11
A7 × Rf1 36.08** 17.62** 68.74 47.31 62.62 46.14
A7 × Rf9 20.61** −2.86 64.13 21.66 72.30 21.55
A7 × Rf18 54.75** 27.76** 103.45 63.41 106.33 65.21
A9 × Rf1 35.76** 19.10** 74.06 62.10 78.83 81.23
A9 × Rf9 40.55** 14.72* 93.67 50.85 97.51 51.03
A9 × Rf18 25.98** 5.45 52.90 30.05 41.96 25.96
A11 × Rf1 43.99** 27.50** 80.33 64.07 74.46 66.13
A11 × Rf9 38.92** 14.35* 91.08 46.19 101.17 47.48
A11 × Rf18 39.60** 17.88** 72.25 43.51 63.81 37.78
A13 × Rf1 72.38** 56.84** 126.24 119.48 126.44* 115.14
A13 × Rf9 38.64** 16.95** 99.35 60.28 121.14 73.88
A13 × Rf18 61.76** 40.11** 133.01 105.54 155.96* 135.22
A33 × Rf1 42.72** 34.25** 78.95 75.09 71.86 76.95
A33 × Rf9 17.68** 2.31 78.06 44.12 79.09 38.44
A33 × Rf18 22.22** 9.23 77.91 58.13 77.99 61.90
LSD (0.05) 10.30 11.89 0.21 0.24 0.12 0.14

*, ** and ns indicates significant at the 0.05 and 0.01 level of probability and non-significant, respectively.

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