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Table 1 Effects of Na + K/Cl concentration and K/Na ratio on leaf and root dry weight (mg/plant), total dry weight (mg/plant) and leaf dry weight/root dry weight ratio

From: In vitro response of date palm (Phoenix dactylifera L.) to K/Na ratio under saline conditions

Interaction (salinity × K/Na ratio) Leaf dry weight Root dry weight Total dry weight Ratio of leaf d.w./root d.w.
10 mol/m3
 0 268 125 393 2.329
 0.5 428 134 562 3.953
 1 359 208 567 1.845
50 mol/m3
 0 267 132 399 2.923
 0.5 262 165 427 1.742
 1 338 133 471 3.107
100 mol/m3
 0 408 143 551 2.875
 0.5 351 113 465 3.821
 1 393 152 545 2.676
200 mol/m3
 0 180 135 315 1.591
 0.5 224 179 403 1.272
 1 281 137 418 2.585
SEDs (d.f.) 51 (6) 11.5 (6) 48.3 (6) 0.46 (6)
  1. Stander error deviation (SEDs) at P < 0.05