Table 3.

Selected BC₂, BC_F2:1 and BC₁F₂ progeny with expected and actual chromosome numbers and pollen fertilities.

Hybrid	Pedigree	Expected 2n number	Actual 2n number	Pollen staining (%)
BC2-126	(Kopu II-906 × BC1-120)-1	32–33	33	51
BC2-129	(Kopu II-901 × BC1-128)-10	31–32	32	94
BC2-131	(Kopu II-910 × BC1-130)-4	31–32	32	70
BCF2:1–136	(Kopu II-918 × F2-133)-5	32–35	35	32
BC1F2–137	BC1-128-Self-1	30–32	32	62
BC1F2–138	BC1-131-Self-8	34	34	61
BC1F2–140	BC1-132-Self-3	32–34	32	52