Table 5.
The essential oil compositions of D. moldavica in response to the different NH4+:NO3− ratios.
| Component | NH4+:NO3− ratios | ||||
|---|---|---|---|---|---|
| 100:0* | 75:25 | 50:50 | 25:75 | 0:100 | |
| α-pinene | – | 0.22 | – | – | – |
| 6-Methyl-5-hepten-2-one | – | 1.21 | 2.76 | 1.94 | 1.76 |
| 3-Methyl-5-methoxy-1-pentanol | – | 0.26 | – | – | – |
| Geranyl acetone | – | 0.48 | – | – | – |
| 2-Butynol | – | 0.54 | – | – | – |
| Neral | – | 16.59 | 42.40 | 25.71 | 14.83 |
| Naphthene | – | 0.20 | – | – | – |
| 2,6-Octadiene, 4-methyl- | – | 1.62 | 3.46 | 1.55 | – |
| Geranial | – | 32.76 | – | 20.20 | 19.89 |
| Geraniol | – | 4.90 | 20.80 | 26.34 | 16.89 |
| Geranyl acetate | – | 31.08 | 22.36 | 15.23 | 12.24 |
| Geranyl linalool | – | – | – | – | 1.58 |
| Farnesyl acetate | – | 0.43 | 0.59 | – | 0.37 |
| Linalyl formate | – | 1.88 | – | – | 0.30 |
| Geranyl formate | – | 3.16 | 3.09 | – | 0.78 |
| Nerol | – | 1.64 | 0.67 | 0.20 | – |
| Nerol acetate | – | – | – | – | 0.83 |
| Farnesol | – | 1.03 | 0.32 | 2.35 | 5.64 |
| Farnesene | – | – | – | 0.46 | 0.56 |
| β-farnesene | – | 0.15 | – | 0.50 | 0.58 |
| 6,11-Dimethyl-2,6,10-dodecatrien-1-ol | – | 0.17 | – | 0.25 | 1.89 |
| Gitoxigenin | – | 1.30 | – | – | – |
| 3-Methylenecycloheptene | – | – | 0.14 | – | – |
| Linalool | – | – | 1.43 | 1.68 | 0.84 |
| Dehydrolinalool | – | – | – | – | 0.24 |
| 1,6-Dimethylspiro[4.5]decane | – | – | 0.23 | 0.22 | – |
| Spiro[2.5]octane | – | – | 1.33 | – | – |
| Vinylcyclooctane | – | – | 0.36 | 0.47 | 0.30 |
| Vinyl hexanol | – | – | – | 0.10 | 0.32 |
| 2-Decyne | – | – | – | 1.38 | – |
| Germacrene-D | – | – | – | 1.07 | 1.66 |
| Nerolidol | – | 0.13 | – | 0.21 | 0.50 |
| 5-Decen-1-ol, (E)- | – | – | – | – | 0.26 |
| 2-Octene, 2-methyl-6-methylene- | – | – | – | – | 0.20 |
| Citronellal | – | 0.10 | – | – | 0.30 |
| Vinylcyclohexane | – | – | – | – | 3.03 |
| Rosefuran epoxide | – | – | – | – | 0.31 |
| Myristoleyl alcohol | – | – | – | – | 0.20 |
| Pulegone | – | – | – | – | 0.32 |
| Geranic acid | – | – | – | – | 2.38 |
| α -cubebene | – | – | – | – | 0.52 |
| Caryophyllene | – | – | – | – | 1.09 |
| Caryophyllenol II | – | – | – | – | 0.40 |
| α- Caryophyllene | – | – | – | – | 0.82 |
| Caryophyllene oxide | – | – | – | – | 0.94 |
| β-ionone | – | – | – | – | 0.24 |
| γ-cadinene | – | – | – | – | 0.22 |
| Δ-cadinene | – | – | – | – | 0.40 |
| Copaene | – | – | – | – | 0.43 |
| Fitone | – | – | – | – | 0.24 |
| Phytol | – | – | – | – | 2.49 |
| α -damascone | – | – | – | – | 0.10 |
| 2,5-Dimethylhex-5-en-3-yn-2-ol | – | – | – | – | 0.19 |
| 1,6-Dibromohexane | – | – | – | – | 0.29 |
| Tricosane | – | – | – | – | 0.15 |
| β -bisabolene | – | – | – | – | 0.13 |
| p-heptylacetophenone | – | – | – | – | 1.81 |
| Total amount of compounds | 99.85 | 99.94 | 99.86 | 99.46 | |
*The plants of 100 NH4+:0 NO3− treatment was destroyed in mid-growth stages, due to ammonium toxicity.
Significant values are in [bold].