Cross combination

No. of trial seedlings (a)

No. of selfed-seedlings (b)

Contamination rate (b/a × 100)

Da107 × Dongsheng

430

3

0.6977

Da107 × 12

562

7

1.6279

Da107 × Niufanqie

624

16

3.7209

Da107 × A3

437

12

2.7907