Table 1 Ploidy traits of parents and F1 offspring in four hybrid combinations
From: The strong competitive role of 2n pollen in several polyploidy hybridizations in Rosa hybrida
Code | Parent ploidy | Number of F1 offspring | Per cent tetraploids | ||
|---|---|---|---|---|---|
tetraploid mother | diploid father | 3x | 4x | ||
1 | ‘Orange Fire’ | ‘Old Blush’ | 14 | 11 | 44.00% |
2 | ‘Chun Chao’ | ‘Slater’s Crimson China’ | 24 | 8 | 25.00% |
3 | ‘DEE’ | ‘Slater’s Crimson China’ | 25 | 5 | 16.67% |
4 | ‘DEE’ | ‘Old Blush’ | 21 | 11 | 33.33% |