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Lettuce fresh and dry weight and leaf area comparison.
| Cultivar | Greenhouse | Head Fresh Weight (g) | Root Fresh Weight (g) | Root Dry Weight (g) | Leaf Area (cm2) | Shoot Fresh Weight (g) | Shoot Dry Weight (g) |
|---|---|---|---|---|---|---|---|
| Rex | Control | 63.5 | 3.2 | 0.25 | 46.5 | 1.3 | 0.10 |
| Prototype | 71.8 | 2.6 | 0.10 | 88.7 | 2.5 | 0.15 | |
| Magenta | Control | 66.1 | 3.4 | 0.14 | 43.6 | 1.3 | 0.08 |
| Prototype | 79.2 | 3.1 | 0.11 | 74.3 | 2.3 | 0.10 |
