Table 3.
Mean of pixel intensity from derived combinatorial fluorescence images (F CI) for well-watered (control) and drought-stressed (dry) on day 3 (d3), day 5 (d5), day 7 (d7), and day 10 (d10) of the induced drought
| A. thaliana accessions | Mean pixel intensity of derived combinatorial fluorescence images (F CI) | |||
|---|---|---|---|---|
| d3 | d5 | d7 | d10 | |
| Rsch | ||||
| Control | 160.6 ± 2.1 | 141.9 ± 3.5 | 139.2 ± 4.2 | 134.3 ± 4.2 |
| Dry | 118.6 ± 3.3*** | 120.1 ± 2.4** | 105.6 ± 4.1** | 61.1 ± 2.0*** |
| Te | ||||
| Control | 118.2 ± 2.1 | 121.8 ± 3.9 | 124.1 ± 4.5 | 109.3 ± 3.8 |
| Dry | 145.9 ± 4.4* | 144.3 ± 7.9* | 91.0 ± 7.0** | 64.7 ± 7.4** |
| C24 | ||||
| Control | 142.2 ± 15.0 | 138.7 ± 1.4 | 135.4 ± 1.4 | 123.9 ± 3.5 |
| Dry | 113.4 ± 4.8 | 130.7 ± 7.4 | 104.0 ± 8.0** | 68.9 ± 5.3*** |
| Col | ||||
| Control | 121.4 ± 2.6 | 129.1 ± 3.4 | 138.9 ± 1.9 | 129.8 ± 3.8 |
| Dry | 142.8 ± 1.8* | 142.3 ± 4.02* | 115.4 ± 5.3** | 98.9 ± 5.4** |
| Nd | ||||
| Control | 122.7 ± 5.2 | 132.6 ± 4.5 | 120.1 ± 7.1 | 112.9 ± 5.5 |
| Dry | 156.7 ± 0.8 | 147.1 ± 4.7 | 128.5 ± 10.2 | 97.7 ± 11.2 |
| Co | ||||
| Control | 133.6 ± 1.3 | 131.3 ± 1.9 | 124.6 ± 2.3 | 119.3 ± 7.8 |
| Dry | 124.6 ± 7.6 | 136.1 ± 12.8 | 140.5 ± 3.8* | 129.5 ± 5.1 |
The data shown are mean over the whole rosettes ± SE (n = 3)
Asterisks (*) in the row of drought-stressed “dry” denote statistical significance of F CI data with respect to their corresponding control plant samples (* p < 0.05; ** p < 0.01; *** p < 0.001, unpaired t test)