TABLE 2

Morphological trait variation in the H. annuus and H. debilis ssp. cucumerifolius parental individuals used for mapping and their BC1 progeny

H. annuus
(CMS89)
H. debilis ssp.
cucumerifolius
BC1
No. speckled internodes0122.17 ± 4.75
Tooth height (cm)a0.16 ± 0.040.27 ± 0.040.38 ± 0.14
Head no.1313.58 ± 2.71
Ray flower no.33.8 ± 6.314.3 ± 2.528.6 ± 7.4
Ligule length (cm)a4.94 ± 0.212.28 ± 0.174.52 ± 0.83
Ligule width (cm)a1.56 ± 0.051.13 ± 0.061.54 ± 0.41
Ligule shape (l/w)a3.17 ± 0.162.03 ± 0.083.03 ± 0.45
Disk diameter (cm)7.01.54 ± 0.094.49 ± 1.33
Phyllary length (cm)a2.80 ± 0.291.03 ± 0.052.94 ± 0.05
Phyllary width (cm)a1.46 ± 0.070.16 ± 0.021.27 ± 0.32
Phyllary shape (l/w)a1.92 ± 0.186.65 ± 0.952.45 ± 0.59
Phyllary pubescence511.92 ± 1.00
Achene length (cm)1.04 ± 0.050.34 ± 0.030.71 ± 1.00
Achene width (cm)0.56 ± 0.060.15 ± 0.020.36 ± 0.11
Achene shape (l/w)1.84 ± 0.162.32 ± 0.392.02 ± 0.27
Pollen viabilityNA>90%24.4%
  • Values are means ± SD. NA, not applicable.

  • a Traits that exhibit significant transgressive segregation.