Table 1.
Symbols, abbreviations and units of measurement used for the fruit growth model
| Abbreviation | Definition | Unit |
|---|---|---|
| M | Grape berry fresh weight without seeds | g |
| W | Grape berry water content | g |
| S | Grape berry solute content | g |
| TSS | Total soluble solids | °Brix |
| dW (dt)−1 | Daily change in berry water content | g d−1 |
| W xi | Daily water inflow via the xylem | g d−1 |
| W xb | Daily water backflow via the xylem | g d−1 |
| ΔW x | Daily net xylem flow | g d−1 |
| W p | Daily water inflow via the phloem | g d−1 |
| E | Daily berry transpiration | g d−1 |
| dS (dt)−1 | Daily change in berry solute content | g d−1 |
| S p | Daily sugar inflow via the phloem | g d−1 |
| R | Daily solute consumption by respiration | g d−1 |
| C p | Sucrose concentration in the pedicel phloem | mM |
| C p’ | C p for ΔW x=0 | mM |
| V p | Daily volume of phloem inflow | l d−1 |