Table I.
Na+ concentration in leaf blades, leaf sheaths, and total shoot and roots in Line 149, cv Tamaroi, and Nax1 and Nax2 near-isogenic lines grown in 50 mm NaCl for 10 d
Values are means ± se (n = 6). Fresh weight:dry weight ratios are 7.2 for leaf blades and 8.8 for leaf sheaths.
| Plant Material | Category | Na+ Concentration
|
Sheath Na+ % of Total Shoot | ||||
|---|---|---|---|---|---|---|---|
| Leaf Blades | Leaf Sheaths | Sheath to Blade Ratio | Total Shoot | Roots | |||
| μmol g−1 dry weight | μmol g−1 dry weight | μmol | |||||
| Parents | Line 149 | 104 ± 7 | 271 ± 12 | 2.6 | 160 ± 9 | 983 ± 23 | 50 |
| cv Tamaroi | 579 ± 17 | 559 ± 15 | 1.0 | 572 ± 16 | 811 ± 26 | 28 | |
| Nax1 lines | [+]Nax1 | 183 ± 6 | 427 ± 8 | 2.3 | 260 ± 6 | 886 ± 17 | 51 |
| [−]Nax1 | 599 ± 15 | 581 ± 21 | 1.0 | 593 ± 16 | 836 ± 17 | 26 | |
| Nax2 lines | [+]Nax2 | 210 ± 8 | 209 ± 20 | 1.0 | 209 ± 11 | 819 ± 20 | 28 |
| [−]Nax2 | 583 ± 18 | 529 ± 12 | 0.9 | 565 ± 16 | 805 ± 13 | 29 | |
| lsd(0.05) | 34 | 43 | 0.1 | 35 | 58 | 3 | |