Table 3.

Effect of PEG applications on water loss % of the in vitro and ex vitro detached leaves of date palm plantlets during 4 h air drying treatments.

Time (A)	PEG g L−1 (B)				Mean (A)
	0.0	10	20	30
In vitro
30 min	24.19 q	22.94 q	22.91 q	20.43 r	20.62 H
60 min	36.30 n	33.35 o	33.38 o	30.33 p	33.27 G
90 min	42.24 jk	38.76 m	36.61 n	34.92 no	38.13 F
120 min	44.52 i	43.93 ij	39.64 lm	38.74 m	41.71 E
150 min	50.54 de	46.85 h	42.57 jk	41.30 kl	45.32 D
180 min	54.46 c	51.67 d	46.55 h	44.64 i	49.33 C
210 min	56.67 b	53.83 c	48.68 fg	47.81 gh	51.75 B
240 min	60.38 a	55.31 bc	50.28 Ef	49.22 efg	53.80 A
Mean (B)	46.13 A	43.33 B	40.03 C	38.42 D
Ex vitro
30 min	22.32 n	21.19 no	20.43 o	18.35 p	20.6 H
60 min	33.13 k	31.11 l	30.34 l	24.49 m	29.77 G
90 min	36.63 hi	34.50 jk	33.35 k	30.85 l	33.83 F
120 min	39.50 g	37.30 h	35.30 ij	33.27 k	36.35 E
150 min	42.93 ef	40.28 g	37.78 h	36.37 hi	39.34 D
180 min	48.18 cd	44.54 e	40.81 g	40.36 g	43.47 C
210 min	51.57 b	46.93 d	42.82 f	42.80 f	46.03 B
240 min	55.66 a	49.33 c	46.60 d	43.97 ef	48.89 A
Mean (B)	41.24 A	38.16 B	35.93 C	33.81 D
LSD0.05 for		In vitro		Ex vitro
A		0.4913		0.5907
B		0.6949		0.8354
AB		1.702		1.671

Means followed by different letters are significantly different at p ≤ 0.05 according to LSD test. (A) Mean of water loss after time (30 min intervals). (B) Mean of PEG concentrations.