Table 4. Morphological characteristics of parents and the BC1 to BC3 progenies from the cross G. hirsutum×G. arboretum.
| Morphological characteristics | G. hirsutum | G. arboreum | BC1 | BC2 | BC3 |
| Stem characteristcs | |||||
| Stem color | Green | Green | Green | Green | Green |
| Stem hairiness | Hairy | Hairy | Hairy | Hairy | Hairy |
| Black glands | Sparse | Sparse/dense | Sparse | Sparse | Sparse |
| Leaf characteristcs | |||||
| Leaf color | Green | Green | Green | Green/dark green | Green/dark green |
| Leaf size(cm) | large(10.0×14.0) | Small/medium(6.0×8.3) | Medium (7.1×7.9) | medium (7.0×8.4) | medium (7.3×8.3) |
| Leaf lobation | 3–5 broad,shallow lobed | 3–5 narrrow,deep lobed | 3–5 medium lobed | 3–5 broad lobed | 3–5 broad lobed |
| Leaf texture | Herbaceous | Herbaceous | Herbaceous | Herbaceous | Herbaceous |
| Leaf hairiness | Hairy | Hairy/profuselyhairy | Hairy | Hairy/profuselyhairy | Hairy/profuselyhairy |
| Petiolelength (cm) | Long (8.8) | Medium (4.4) | Long (7.2) | Long (7.5) | Long (7.4) |
| Boll characteristcs | |||||
| Bracteole number and size (cm) | 3 large (3.3×1.8) | 3, small(2.7×2.1),united at base | 3, large (3.0×2.6) | 3, large (3.0×2.0) | 3, large (3.2×2.2) |
| Bracteole dentation | 3–7, superficial | 5–11, deepnarrow | 4–9, superficial | 3–11,superficial | 3–9, superficial |
| Flower characteristcs | |||||
| Flower size | Large | Small | Medium | Medium | Medium/large |
| Pedicel size (cm) | Long (1.2) | Long (1.2) | Long (1.1) | Long (1.3) | Long (1.2) |
| Calyx | 5 sepalforming acup withteeth | 5 sepalsforminga cup withwavy margins | 5 sepalsforming a cupwith wavymargins | 5 sepals forminga cup with wavymargins | 5 sepals forming acup with wavymargins |
| Corolla color | Creamy | Yellow | Creamy/LightYellow | Creamy/lightyellow | Creamy/lightyellow |
| Petal numberand size (cm) | 5, large,(4.6×4.5) | 5, small(2.6×2.5) | 5, large,(4.5×4.4) | 5, large,(4.4×4.6) | 5, large,(4.6×4.4) |
| Petalspot | Absent | Lightpink | Present/absent | Present/absent | Present/absent |
| Position ofstaminalcolumand size (cm) | long (2.0) | small (1.0) | Medium (1.5) | Medium (1.5) | Medium (1.6) |
| Antherdehiscence | Normal | Normal | Partial/normal | Normal | Normal |
| Pollencolor | Creamy | Yellow | Creamy/lightYellow | Creamy/lightYellow | Creamy/lightYellow |
| Pistilsize (cm) | Long (2.9) | Small (2.1) | Long (3.1) | Long (2.9) | Long (3.2) |