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. 2012 Mar 26;12:43. doi: 10.1186/1471-2229-12-43

Table 1.

Parental means and mean, minimum and maximum values and heritability of the BC1S1 and BC2S1 families for vigour traits under non-stress, drought, salinity and nutrient deficiency conditions

L. serriola L. sativa Hybrid families
Trait Treatment Mean Min Max H2
BC1S1 families
Plant height (cm) Control-D1 31.42 23.52 30.87 27.43 36.19 0.86
Drought 16.58 13.19 16.05 13.53 18.53 0.74
Control- SN 33.36 17.95 28.75 22.39 42.64 0.95
Salt 16.72 14.70 17.18 13.40 24.93 0.95
Nutrient deficiency 10.57 8.75 10.07 7.88 13.35 0.86
Fresh weight (g) Control-D 39.20 68.11 46.56 25.25 62.26 0.87
Drought 6.48 8.01 6.46 5.40 8.14 0.48
Control- SN 25.52 39.15 27.24 21.76 32.27 0.79
Salt 8.40 20.13 10.85 7.90 14.35 0.69
Nutrient deficiency 2.60 4.82 3.16 2.46 3.92 0.44
Dry weight (g) Control-D 2.42 3.14 2.87 1.51 4.09 0.90
Drought 1.15 1.38 1.16 0.93 1.41 0.80
Control-NS 2.01 2.56 2.13 1.61 2.75 0.75
Salt 0.84 1.79 1.07 0.74 1.43 0.59
Nutrient deficiency 0.50 0.90 0.61 0.42 0.86 0.62
Relative moisture Control-D 93.80 95.41 93.89 93.07 94.83 0.75
content (%) Drought 81.97 82.56 81.77 79.26 84.74 0.69
Control-SN 92.11 93.50 92.24 91.25 93.21 0.64
Salt 90.00 91.18 90.18 89.23 91.24 0.67
Nutrient deficiency 81.03ns 81.85 80.77 77.84 85.09 0.90
BC2S1 families
Plant height (cm) Control-D1 27.93 23.07 29.17 24.09 37.01 0.85
Drought 14.02 12.32 14.32 12.39 17.75 0.77
Control- SN 21.02 16.63 21.51 17.51 28.04 0.80
Salt 16.54 13.62 16.54 13.01 22.2 0.84
Nutrient deficiency 11.62 10.07 11.33 9.69 14.05 0.43
Fresh weight (g) Control-D 27.21 67.25 38.59 23.38 54.89 0.73
Drought 5.24ns 5.46 4.55 3.31 6.32 0.37
Control- SN 13.70 31.32 17.64 13.19 26.39 0.72
Salt 9.31 17.87 10.35 7.27 13.36 0.63
Nutrient deficiency 4.87 7.14 5.34 4.26 7.65 0.59
Dry weight (g) Control-D 2.08 3.34 2.76 1.81 3.95 0.80
Drought 1.12ns 1.22 1.06 0.88 1.27 0.50
Control-NS 1.03 1.88 1.31 0.96 1.94 0.71
Salt 0.84 1.29 0.92 0.65 1.21 0.61
Nutrient deficiency 0.68 0.83 0.71 0.50 1.16 0.76
Relative moisture Control-D 92.28 95.06 92.86 92.06 94.03 0.78
content (%) Drought 77.94ns 77.53 76.12 71.72 80.39 0.77
Control-SN 92.52 94.06 92.61 91.79 93.79 0.73
Salt 90.95 92.85 91.24 89.92 92.36 0.76
Nutrient deficiency 85.88 88.26 86.70 84.49 89.48 0.79

1 Control-D: the control treatment of the drought experiment, Control-SN: the control treatment of the salt-nutrient experiment