Table IV.
Na+ and K+ concentrations and transport rates in Line 149 and its parents, the wheat progenitor T. monococcum C68-101, and durum cv Marrocos grown in 50 mm NaCl
Transport rates are calculated over 6 to 10 d and are means ± se (n = 6).
| Genotype | Leaf Blade Na+ | Leaf Blade K+ | K+ to Na+ Ratio in Blades | Leaf Sheath Na+ | Leaf Sheath K+ | K+ to Na+ Ratio in Sheaths | Na+ Ratio Sheath:Blade | Na+ Shoot Transport Rate |
|---|---|---|---|---|---|---|---|---|
| μmol g−1 dry weight | μmol g−1 dry weight | μmol groot fresh weight−1 d−1 | ||||||
| C68-101 | 116 ± 37 | 1,126 ± 29 | 9.7 | 342 ± 63 | 1,132 ± 38 | 3.3 | 2.9 | 8.6 ± 2.3 |
| cv Marrocos | 678 ± 34 | 1,158 ± 20 | 1.7 | 619 ± 27 | 1,235 ± 15 | 2.0 | 0.9 | 21.9 ± 0.5 |
| Line 149 | 104 ± 7 | 1,426 ± 9 | 13.7 | 404 ± 18 | 1,294 ± 8 | 3.2 | 3.9 | 6.2 ± 0.4 |
| lsd(0.05) | 75 | 62 | 6.2 | 101 | 61 | 1.2 | 0.6 | 4.4 |