Table 4.
Trait comparisons of 6 Miscanthus genotypes with low leaf Na+ concentrations under salt stress, grown at 150mM NaCl on hydroponics.
| Genotype | OPM-4 | OPM-32 | OPM-37 | OPM-59 | OPM-69 | OPM-71 | Average of 70 genotypes |
|---|---|---|---|---|---|---|---|
| Tiller number | 2.8 | 1 | 3 | 1.3 | 1.8 | 0 | 1.7 |
| Dead leaves (%) | 29 | 20 | 23 | 22 | 20 | 24 | 28 |
| Leaf Na+ (mg/g) | 7.76 | 5.19 | 6.27 | 4.25 | 6.27 | 4.52 | 12.55 |
| Root Na+ (mg/g) | 40.4 | 37.64 | 30.04 | 39 | 43 | 42.45 | 37.23 |
| Leaf K+(mg/g) | 34.05 | 28.53 | 25.68 | 22.17 | 25.85 | 22.41 | 20.67 |
| Biomass (g) | 0.79 | 1.13 | 1.56 | 0.96 | 0.88 | 1.05 | 0.77 |
| Salt tolerance (%) | 33 | 34 | 49 | 46 | 47 | 46 | 43 |
| K+/Na+ in leaf | 4.39 | 5.50 | 4.01 | 5.22 | 4.12 | 4.96 | 2.08 |
| Leaf Na+/Root Na+ | 0.19 | 0.14 | 0.21 | 0.11 | 0.15 | 0.11 | 0.34 |