Table 2.
Stomatal density (number mm−2), number of opened, closed stomata (number mm−2), and stomatal aperture length (μm) on adaxial and abaxial surfaces of date palm leaves four weeks after transplanting ex vitro.
| PEG g L−1 | Adaxial Surface | Abaxial Surface | ||||||
|---|---|---|---|---|---|---|---|---|
| Density | Opened | Closed | Aperture Length | Density | Opened | Closed | Aperture Length | |
| 0.0 | 145.8 | 109.7 a | 36.04 c | 11.44 a | 187.0 a | 145.8 a | 41.16 b | 12.32 a |
| 10 | 147.7 | 86.02 b | 61.66 b | 7.87 b | 158.0 b | 101.6 b | 56.44 b | 8.71 b |
| 20 | 154.3 | 41.12 c | 115.0 a | 6.15 c | 168.1 ab | 54.86 c | 113.2 a | 6.99 c |
| 30 | 154.1 | 30.58 c | 123.5 a | 3.14 d | 157.34 b | 33.46 d | 124.0 a | 3.43 d |
| LSD0.05 | NS | 14.06 | 20.15 | 1.59 | 19.54 | 17.75 | 21.28 | 1.181 |
Means followed by different letters are significantly different at p ≤ 0.05 according to LSD test.