Table 2.
List of the 39 traits with abbreviations and units used for the morphoagronomic characterization of the four S. pimpinellifolium (SP) and four S. lycopersicum var. cerasiforme (SLC) accessions of this study.
| Code | Descriptor name | Descriptor scale/unit |
|---|---|---|
| Plant descriptors | ||
| SPD | Stem pubescence density | 1–7 (1: absent; 7: dense) |
| SA | Stem anthocyanin coloration | 0–2 (0: absent; 2: high) |
| LT | Leaf type | 1–6 (1: dwarf; 2: potato; 3: standard; 4: S. peruvianum; 5: S. pimpinellifolium; 6: other) |
| LN | Leaflets number | Number |
| SLN | Small leaflets number | Number |
| LB | Leaflet border | 1–4 (1: entire; 4: highly serrated) |
| LVA | Leaf vein anthocyanin presence | 0–1 (0: absent; 1: present) |
| 1TH | 1st truss height | cm |
| 3TL | 3rd truss length | cm |
| 5TL | 5th truss length | cm |
| Inflorescence descriptors | ||
| IT | Inflorescence type | 1–3 (1: uniparous; 2: both; 3: multiparous) |
| FPT | Flowers per truss (2nd and 3rd) | Number |
| LP | Presence of leaves in the inflorescence | 0–2 (0: absent; 2: presence in all) |
| SP | Presence of shoots in the inflorescence | 0–2 (0: absent; 2: presence in all) |
| SPOS | Style position | 0–7 (0: inserted; 7: highly exerted) |
| Fruit descriptors | ||
| FC | Exterior colour of immature fruit | 1–9 (1: greenish-white; 9: very dark green) |
| GI | Greenback intensity | 0–7 (0: absent; 7: strong) |
| FP | Fruit pubescence | 0–7 (0: absent; 7: dense) |
| FS | Fruit shape | 1–4 (1: flattened; 2: slightly flattened; 3: round; 4: elongated) |
| RCE | Ribbing at calyx end | 1–7 (1: very weak; 7: strong) |
| FCS | Fruit cross-sectional shape | 1–3 (1: round; 3: irregular) |
| SPS | Shape of pistil scar | 1–4 (1: dot; 2: stellate; 3: lineal; 4: irregular) |
| BES | Fruit blossom end shape | 1–3 (1: indented; 4: pointed) |
| FF | Fruit fasciation | 3–7 (3: slight; 7: severe) |
| FH | Fruit height | mm |
| FW | Fruit width | mm |
| W | Fruit weight | g |
| SS | Shoulder shape | 1–7 (1: flat; 7: strongly depressed) |
| PT | Pericarp thickness | mm |
| LOC | Locule number | Number |
| L | Exterior fruit colour lightness | L |
| A | Exterior fruit colour a | a |
| B | Exterior fruit colour b | b |
| Internal fruit quality descriptors | ||
| Acid | Acidity | % of citric acid (1 g/sample) |
| Brix | Sugar content | °Brix |
| AA | Ascorbic acid | mg/L (liquid extract) |
| pH | pH | |
| Agronomic descriptors | ||
| DM | Days to maturity of first fruita | Number of days |
| D50% | Days until 50% of plants with mature fruitsb | Number of days |
aFrom sowing until one plant has one ripe fruit
bFrom sowing until 50% of plants have at least one fruit ripened