Table 2.
Means of leaves major essential oils constitutes in two successive seasons (2016 and 2017) following salinity (ppm) and salicylic acid (ppm) treatments.
| Salinity (ppm) | Salicylic acid (ppm) | α-pinene | Camphen | β-pinene | Cineole | Terpinolene | Linalool | Camphor | Borneol | Verbenone | Caryophyllene oxide | Essential | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| *RI = 946 | RI = 953 | RI = 970 | RI = 1,040 | RI = 1,098 | RI = 1,117 | RI = 1,139 | RI = 1,188 | RI = 1,204 | RI = 1,571 | oil % (FW) | |||||||||||||
| 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | 2016 | 2017 | ||
| 640 | 0 | 8.56a | 8.48a | 3.91a | 3.89a | 4.66a | 4.63a | 13.77ab | 13.65ab | 2.55c | 2.51c | 5.43d | 5.41d | 11.29e | 11.29e | 11.52d | 11.46d | 3.75d | 3.71d | 3.68b | 3.63b | 0.57e | 0.59g |
| 100 | 4.02d | 3.98d | 1.35e | 1.39e | 3.0c | 3.11c | 13.41ab | 13.33ab | 3.94b | 3.04b | 6.57b | 6.55b | 14.06b | 14.09b | 13.45b | 13.33b | 3.60d | 3.55d | 4.15a | 4.12a | 1.98a | 1.95a | |
| 200 | 4.11d | 4.01d | 1.43e | 1.38e | 3.1c | 3.16c | 13.44ab | 13.41ab | 3.0b | 3.1b | 6.59b | 6.56b | 14.03b | 14.01b | 13.46b | 13.36b | 3.64d | 3.67d | 4.11a | 4.14a | 1.81a | 1.84b | |
| 300 | 4.13d | 4.10d | 1.33e | 1.41e | 3.03c | 3.12c | 13.32b | 13.31b | 2.91b | 3b | 6.55b | 6.54b | 13.07c | 13.01c | 13.33b | 13.35b | 3.54d | 3.46d | 4.13a | 4.12a | 1.65b | 1.63c | |
| 2000 | 0 | 0.9e | 0.93e | 0.28f | 0.25f | 1.64d | 1.57d | 8.39d | 8.36d | 3.20a | 3.11a | 8.08a | 8.00a | 16.24a | 16.21a | 15.9a | 16a | 6.52c | 6.46c | 3.31c | 3.35c | 0.55e | 0.54g |
| 100 | 8.26a | 8.21a | 2.91b | 2.87b | 4.68a | 4.74a | 14.1a | 14.15a | 2.93b | 2.91b | 5.53d | 5.51d | 12.73cd | 12.79cd | 12.93b | 12.95b | 4.41d | 4.48d | 3.14cd | 3.12cd | 1.86a | 1.88b | |
| 200 | 6.13c | 6.18c | 1.84d | 1.81d | 3.17c | 3.11c | 8.92cd | 8.84cd | 2.37d | 2.33d | 5.99c | 5.94c | 12.62cd | 12.61cd | 13.59b | 13.51b | 16.25a | 16.21a | 1.88e | 1.88e | 1.24c | 1.27d | |
| 300 | 6.16c | 6.15c | 1.88d | 1.89d | 3.21c | 3.25c | 8.92cd | 8.81cd | 2.35d | 2.34d | 5.87c | 5.90c | 12.73cd | 12.71cd | 13.56b | 13.53b | 16.11a | 16.22a | 1.75e | 1.81e | 1.91a | 2.00a | |
| 4000 | 0 | 3.88d | 3.82d | 1.13e | 1.10e | 1.77d | 1.71d | 9.42c | 9.35c | 2.3d | 2.32d | 7.89a | 7.85a | 12.36cd | 12.31cd | 13.61b | 13.63b | 12.68b | 12.61b | 3.80b | 3.73b | 0.48f | 0.50g |
| 100 | 8.37a | 8.31a | 2.82b | 2.81b | 4.78a | 4.83a | 13.88ab | 13.83ab | 3.26a | 3.21a | 5.7d | 5.75d | 12.1d | 12.2d | 12.18c | 12.11c | 4.56d | 4.50d | 2.56e | 2.51e | 0.38f | 0.41h | |
| 200 | 8.06a | 8.11a | 2.44c | 2.49c | 4.23b | 4.21b | 13.54ab | 13.59ab | 2.98b | 3.0b | 5.91c | 5.93c | 14.13b | 14.04b | 12.91bc | 12.86bc | 3.95d | 3.92d | 2.73d | 2.71d | 0.64e | 0.65f | |
| 300 | 8.01b | 8.00b | 2.47c | 2.43c | 4.11b | 4.22b | 13.61ab | 13.53ab | 2.97b | 2.95b | 5.95c | 5.93c | 14.11b | 14.00b | 12.67c | 12.53c | 3.93d | 3.85d | 2.65d | 2.72d | 0.88d | 0.89e | |
*
Retention indices. Means with different letters within the same column have significant difference at P ≤ 0.05.