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Table 2
Ampelographic characterization of the three grapevine varieties based on OIV descriptors observed in 2011 at the experimental station “Riccagioia ” (Torrazza Coste, Lombardia). Codes from OIV065 to OIV84 and OIV601 are referred to mature leaves.
| CodeN° | Barbera | Croatina | Ervi |
|---|---|---|---|
| OIV 155 −Shoot: fertility of basal buds(buds 1-3) | medium | very low | medium |
| OIV 065 − size of blade | medium | medium | medium |
| OIV 067 − shape of blade | pentagonal | pentagonal and elongated | Pentagonal and short |
| OIV 068 − number of lobes | five | five and three, cup shape | five |
| OIV 069 − colour of the upper side of blade | dark green | Medium dark green | Medium green |
| OIV 077 − size of teeth in relation to blade size | large | small | small |
| OIV 078 − length-width comparison of teeth | medium | alternate short and medium | short |
| OIV 079 − opening of petiole sinus | closed and overlapped | open | open (little) |
| OIV 080 − shape of the base of petiole sinus | U shaped | V shaped | V shaped |
| OIV 084 − density of hairs on lower side blade | high | medium | medium |
| OIV 202 − Bunch length (peduncle excluded) | medium | long | medium |
| OIV 204 − Bunch: density | dense | medium | loose medium |
| OIV 208 − Bunch: shape | cylindrical- conical | conical | conical |
| Berry size | medium- big (>2.2g) | medium small (<2.0g) | medium small (<2.0g) |
| OIV 223 − Berry shape | Ellipsoid | globose | globose |
| OIV 601 − length of vein N1 | Medium | medium | short |
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