Table 1 Average values of cuticular thickness, stomatal density, and sizes of occlusive cells and ostioles by treatment in abaxial and adaxial leaf surfaces of A. vera ( n = 20)
Treatments/surface | Cuticle thickness (μm) | Stomatal density (Nº mm−2) | Stomata | |||
|---|---|---|---|---|---|---|
Occlusive cells | Ostioles | |||||
Length | Width | Length | Width | |||
(μm) | (μm) | (μm) | (μm) | |||
Abaxial | ||||||
T1 | 13.34C | 21.00B | 52.18AB | 52.05B | 39.58A | 6.26A |
T2 | 16.02B | 21.10B | 56.64AB | 54.89A | 39.55A | 5.21A |
T3 | 16.92AB | 22.85B | 52.77AB | 51.28B | 32.57B | 5.38A |
T4 | 18.70A | 30.80A | 55.29A | 49.59B | 36.93A | 3.02B |
Adaxial | ||||||
T1 | 11.74C | 20.60C | 57.26A | 5178A | 40.73B | 4.61B |
T2 | 11.76B | 23.35C | 57.62A | 50.23B | 42.02A | 5.45A |
T3 | 14.38AB | 27.12B | 55.89AB | 48.20AB | 42.06A | 3.97B |
T4 | 15.44A | 30.80A | 54.48B | 48.18B | 40.91A | 2.16C |
Average | 14.79 | 25.05 | 55.05 | 50.99 | 38.90 | 4.49 |