Table 1 Morphological characters of regenerants of the date palm cv. 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 | Salt levels (mM NaCl) | Number of roots | Number of leaves | Leaf length (cm | Leaf thickness |
|---|---|---|---|---|---|
Control | 0 | 4.0 ± 1.8b | 3.5 ± 0.6bc | 13.3 ± 1.3c | 0.75 ± 0.24a |
Salt Non-adapted (SNA) | 100 | 5.3 ± 0.5a | 3.0 ± 0.0 cd | 24.4 ± 2.4b | 0.58 ± 0.06b |
200 | 3.8 ± 0.9b | 4.0 ± 0.8ab | 25.6 ± 4.5b | 0.62 ± 0.11ab | |
300 | 2.8 ± 0.5bc | 2.8 ± 0.5d | 25.2 ± 4.5b | 0.34 ± 0.6c | |
Salt adapted (SA) | 100:100 | 1.5 ± 0.6d | 3.0 ± 0.0 cd | 28.5 ± 3.0ab | 0.29 ± 0.03c |
200:200 | 2.8 ± 0.5bc | 4.5 ± 0.6a | 26.5 ± 3.6ab | 0.30 ± 0.04c | |
300:300 | 1.8 ± 0.5 cd | 4.5 ± 0.6a | 30.8 ± 5.2a | 0.36 ± 0.06c |