Table 3: List of descriptors, categories and scales most used (MU) for the C&E of cherry genetic resources according to the survey carried out in the COST action 1104.
| Descriptor | Sweet cherry UPOV (TG/35/7) 2006 | Sour cherry UPOV (TG/230/1) 2006 | Sweet and sour cherry IBPGR/85/37 | Unit of measure/scores |
| Tree | ||||
| Vigor | UPOV 1 | UPOV 1 | IBPGR 6.1.2. | very weak (1), weak (3), medium (5), strong (7), very strong (9) |
| Habit | UPOV 2 | UPOV 2 | upright (1), semi-upright (2), spreading (3), drooping (4) | |
| Yield | ||||
| Size | assessed in mm | |||
| Size | UPOV 20 | UPOV27 | IBPGR 6.2.3. | very small (1), small (3), medium (5), large (7), very large (9) |
| Weight | assessed in g | |||
| Fruit-outer quality traits | ||||
| Shape | UPOV 21 | cordate (1), reniform (2), oblate (3), circular (4), elliptic (5) | ||
| Shape in ventral view | UPOV 27 | reniform (1), oblate (2), circular (3), elliptic (4) | ||
| Color of skin | UPOV 27 | yellow (1), yellow with blush (2), orange red (3), light red (4), red (5), brown red (6), dark red (7), blackish (8) | ||
| Color of skin | UPOV 36 | orange red (1), light red (2), medium red (3), dark red (4), brown red (5), blackish (6) | ||
| Length of stalk | assessed in mm | |||
| Length of stalk | UPOV 24 | very short (1), short (3), medium (5), long (7), very long (9) | ||
| Fruit-inner quality traits | ||||
| Color of flesh | UPOV 31 | cream white (1), yellow (2), pink (3), red (4), dark red (5) | ||
| Color of flesh | UPOV 37 | yellowish (1), pink (2), medium red (3), dark red (4) | ||
| Color of juice | UPOV 32 | colorless (1), cream yellow (2), pink (3), red (4), purple (5) | ||
| Color of juice | UPOV 38 | colorless (1), light yellow (2), pink (3), medium red (4), dark red (5) | ||
| Firmness | UPOV 33 | UPOV 39 | soft (3), medium (5), firm (7), very firm (9) | |
| Juiciness | UPOV 36 | UPOV 42 | weak (1), medium (5), strong (7) | |
| sweet/acid balance | UPOV 35/34 | UPOV 41/ 40 | very sweet (1), sweetish (3), balanced (5), acidulated (7), very acid (9) | |
| Stone shape | UPOV 38 | medium elliptic (1), broad elliptic (2), circular (3) | ||
| Taste/eating quality | IBPGRI 6.2.7. | bad (3), fair (5) good (7) | ||
| Phenology | ||||
| Time of beginning of flowering | UPOV 40 | UPOV 46 | very early (1), early (3), medium (5), late (7), very late (9) | |
| Date of full flowering | IBPGRI 6.2.1. | early (3), mid-season (5), late (7), exremly late (9) | ||
| Time of beginning of ripening (maturity) | UPOV 41 | UPOV 47 | very early (1), early (3), medium (5), late (7), very late (9) | |
| Harvest maturity | IBPGRI 4.2.2. | early (3), mid-season (5), late (7), exremly late (9) |