Table 2 Number of male and female progeny plants from crosses between Spinacia species
Female ParentMale ParentProgeny Plants
GroupSpecies (Accessions/Cultivars)GroupSpecies (Accessions/Lines/Cultivars)MaleFemaleTotalPollen Fertility of Male Progeny Plants
Group 1Group 1
S. turkestanica Ilj. (Ames 23666)S. oleracea L. (105-18)246>99.0% (N = 2)
S. tetrandra Stev. (Ames 23664)S. oleracea L. (86-13)257>98.5% (N = 2)
S. tetrandra Stev. (Ames 23664)S. turkestanica Ilj. (Ames 23666)3710>98.0% (N = 3)
Group 1Group 2
S. oleracea L. (Nippon)S. tetrandra Stev. (PI 647859)15102510.6–19.8% (N = 12)
S. oleracea L. (Nippon)S. tetrandra Stev. (PI 647861)681410.1–11.6% (N = 3)
Group 2Group 1
S. tetrandra Stev. (PI 647860)S. oleracea L. (Nippon)22416.6–17.9% (N = 2)
  • N, number of plants examined.