Trait | Abbreviation | Unit | Method of measurement | |
---|---|---|---|---|

Imaging parameters | ||||

1 | Shoot area smoothed | SAsm |
kPix^{a}
| Smoothing spline fit to total projected shoot area data for each plant |

2 | Absolute growth rate smoothed 32–40 | AGR32 |
kPix/d^{b}
| Difference in smoothed Shoot Area between days 32th and 40th after planting, divided by the length of the period |

3 | Absolute growth rate smoothed 42–50 | AGR42 | kPix/d | Difference in smoothed Shoot Area between days 42th and 50th after planting, divided by the length of the period |

4 | Absolute growth rate smoothed 52–59 | AGR52 | kPix/d | Difference in smoothed Shoot Area between days 52th and 59th after planting divided by the length of the period |

5 | Relative growth rate smoothed 32–40 | RGR32 |
d^{−1}
| Difference in the logarithm of the smoothed Shoot Area at days 32th and 40th after planting, divided by the length of the period |

6 | Relative growth rate smoothed 42–50 | RGR42 |
d^{−1}
| Difference in the logarithm of the smoothed Shoot Area at days 42th and 50th after planting, divided by the length of the period |

7 | Relative growth rate smoothed 52–59 | RGR52 |
d^{−1}
| Difference in the logarithm of the smoothed Shoot Area at days 52th and 59th after planting, divided by the length of the period |

8 |
Convex hull area integral^{c}
| CHA | kPix | Smallest geometrical object without concave parts that covers whole plant, top view image |

9 | Caliper length integral | CL | kPix | Max. distance between two points on the object boundary, top view image |

Harvest parameters | ||||

10 | Fresh weight | FW | g | Weight of fresh biomass per pot |

11 | Dry weight | DW | g | Weight of oven dried biomass per pot |

12 | Plant height | HEI | cm | Plant height measured from bottom to leaf tip |

13 | Tiller number | TN | Number of tillers per pot | |

Indices | ||||

14 | Water use efficiency | WUE |
g/g water | Harvested dry biomass per plant/total amount of irrigation water |