Table 4 Root mineral contents of regenerants of the date palm cultivar Khalas subjected to salt stress after regeneration from salt-stressed cultures
From: Induced in vitro adaptation for salt tolerance in date palm (Phoenix dactylifera L.) cultivar Khalas
Regenerants/characters | NaCl (mM) | Na+ | K+ | Ca+ | Mg | K+/Na+ ratio |
|---|---|---|---|---|---|---|
Control | 0 | 62.5 ± 7.5f | 88.5 ± 6.4a | 88.0 ± 7.3b | 14.0 ± 2.6a | 1.432 ± 0.204a |
Salt non-adapted (SNA) | 100 | 90.2 ± 3.7d | 44.3 ± 1.8e | 84.5 ± 4.7c | 5.6 ± 0.2f | 0.491 ± 0.000c |
200 | 113.4 ± 5.7c | 85.3 ± 4.4ab | 73.5 ± 3.7d | 10.1 ± 0.5b | 0.752 ± 0.000b | |
300 | 160.7 ± 5.4a | 54.4 ± 1.8d | 90.5 ± 3.0a | 6.0 ± 0.2e | 0.339 ± 0.000d | |
Salt adapted (SA) | 100:100 | 82.1 ± 5.5e | 68.0 ± 4.5c | 50.1 ± 3.3e | 4.4 ± 0.3 g | 0.828 ± 0.001b |
200:200 | 112.2 ± 6.8c | 81.9 ± 4.9b | 49.1 ± 3.0e | 9.1 ± 0.6c | 0.730 ± 0.000b | |
300:300 | 125.8 ± 4.7b | 67.9 ± 2.6c | 28.8 ± 1.1f | 7.7 ± 0.3d | 0.539 ± 0.000c |