Table 2 Pedigree and chromosome constitution of six hybrid lines used in this study

18-2-6

2n = 42 W+II7Ns

(CSph2b×P. huashanica)×CS×CS-F₄

19-2-5

2n = 42 W+I2Ns+ItNs

(CSph2b×P. huashanica)×CS×CS-F₄

20-1-1

2n = 42 W+IIt2NsL

(CSph2b×P. huashanica)×CS×CS-F₄

23-1-1

2n = 42 W+IItNs

(CSph2b×P. huashanica)×CS-F₄

26-3-2

2n = 42 W+I2Ns+I4Ns

(CSph2b×P. huashanica)×CS-F₄

32-2-5

2n = 42 W+I3Ns

(CSph2b×P. huashanica)×CS-F₅