Table 1.
Summary of experiments included in this study, the measurements conducted in each experiment that are reported here, and the relative degree of severity of the drought stress treatment as indicated by the maintenance of biomass or grain yield compared with the well‐watered (WW) control treatment
| Drought stress compared with WW control (DS‐WW)/WW × 100 | ||||
|---|---|---|---|---|
| Experiment | Number of genotypes | Measurements reported | Biomass | Grain yield |
| Aus—field | ||||
| 2010 | 220 | Leaf rolling score, midseason shoot biomass, NDVI, CT, DTF, yield, and biomass at harvest | −10% | −20% |
| 2011 | 248 | Midseason shoot biomass, NDVI, CT, DTF, yield, and straw biomass at harvest | −42% | −50% |
| Early 2012 | 68 |
All genotypes: leaf rolling score, NDVI, CT, DTF, yield, and straw biomass at harvest Selected genotypes: midseason biomass, leaf dimensions, stomatal conductance, leaf water potential, [ABA]leaf, volumetric soil moisture |
−33% | −30% |
| Mid 2012 | 144 | −30% | −53% | |
| Late 2012 | 34 | −29% | −63% | |
| 2012WS | 8 | Leaf anatomy, stomatal density, yield, and biomass at harvest | −52% | −84% |
| 2018DS | 6 | Leaf anatomy | n/a | n/a |
| Aus—greenhouse lysimeters | 226 |
All genotypes: leaf rolling score Selected genotypes: soil moisture dry‐down, leaf dimensions, stomatal conductance, leaf water potential, [ABA]leaf |
−38% | n/a |
| Tropical japonica—greenhouse pots | 172 | Leaf rolling score, leaf dimensions, specific leaf area, shoot biomass, soil dry‐down rate | −45% | n/a |