Table 3.
Fourteen phenotypic traits and their assessment criteria used for trait association in three mapping populations (TA × KP, Cr × KP, and I × KP).
| Trait | Rating | Score description |
|---|---|---|
| Stage of ripeness | 0 | Hard (no give in fruit) |
| 1 | Rubbery (slight give in fruit under strong thumb pressure) | |
| 2 | Sprung (flesh deforms by 2–3 mm with moderate thumb pressure) | |
| 3 | Firm soft (whole fruit deforms with moderate hand pressure) | |
| 4 | Eating soft (whole fruit deforms with soft hand pressure) | |
| Fruit shape | 1 | Long |
| 2 | Ovate | |
| 3 | Round | |
| Ground skin color | 1 | Green |
| 2 | Green/yellow | |
| 3 | Yellow | |
| 4 | Orange | |
| 5 | Pink | |
| Blush color | 1 | Orange |
| 2 | Pink | |
| 3 | Red | |
| 4 | Burgundy | |
| Blush intensity | 1 | No blush |
| 2 | Blush barely visible | |
| 3 | Slight blush (similar to Kensington Pride) | |
| 4 | Medium blush (similar to Haden) | |
| 5 | Solid blush (similar to Tommy Atkins) | |
| Bloom (the efflorescence of the wax covering the fruit) | 1 | Heavy |
| 2 | Light | |
| Stem end shape | 1 | Deep |
| 2 | Slightly depressed | |
| 3 | Level | |
| 4 | Slightly raised | |
| 5 | Pointed | |
| Pulp colora | 1 | Orange group 24A |
| 2 | Yellow orange group 32A | |
| 3 | Yellow group 15A | |
| 4 | Yellow group 13B | |
| 5 | Yellow group 6A | |
| Embryo type | 1 | Monoembryonic |
| 2 | Polyembryonic | |
| Flavor | 1 | Unacceptable |
| 2 | Floridian | |
| 3 | Indian | |
| 4 | Other | |
| 5 | Kensington Pride | |
| 6 | South East Asian | |
| Branch habit | 1 | Upright |
| 2 | Spreading | |
| 3 | Intermediate | |
| Tree vigor | 1 | Extreme dwarf |
| 2 | Dwarf | |
| 3 | Low vigor | |
| 4 | Medium vigor | |
| 5 | High vigor | |
| Beak shape (prominence of the point at the stylar scar) | 1 | Absent |
| 2 | Very slight | |
| 3 | Slight | |
| 4 | Medium | |
| 5 | Prominent | |
| Cleavage (severity of the groove on the ventral shoulder of the fruit) | 1 | Deep |
| 2 | Shallow | |
| 3 | Absent |
a
The_Royal_Horticultural_Society, 2001.