Skip to main content

Table 2 Growth characteristics 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

Shoot dry weight (g)

Root dry weight (g)

Total dry weight (g)

Dry weight shoot/root ratio

Control

0

0.795 ± 0.181a

0.365 ± 0.117a

1.160 ± 0.253a

2.18 ± 0.661a

Salt non-adapted (SNA)

100

0.222 ± 0.022c

0.180 ± 0.018d

0.403 ± 0.040e

1.23 ± 0.002b

200

0.690 ± 0.075a

0.289 ± 0.051bc

0.980 ± 0.094b

2.44 ± 0.423a

300

0.460 ± 0.082b

0.306 ± 0.055ab

0.766 ± 0.137c

1.50 ± 0.001b

Salt adapted (SA)

100:100

0.267 ± 0.029c

0.241 ± 0.026bcd

0.509 ± 0.054de

1.11 ± .0.001b

200:200

0.300 ± 0.042c

0.231 ± 0.032 cd

0.531 ± 0.073de

1.30 ± 0.001b

300:300

0.328 ± 0.055c

0.292 ± 0.049bc

0.620 ± 0.104 cd

1.12 ± 0.001b

  1. Means followed by the same letter(s) are not significantly different at the 5% level of probability