Table 1.
Mean relative values (± s.e.) of odour compounds identified in headspace samples of Anacamptis morio
| Italy (Cilento), n = 20 | Switzerland (Schaffhausen), n = 21 | Switzerland (Zurich), n = 18 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Compound | Mean ± s.e. | Min. | Max. | CV | % | Mean ± s.e. | Min. | Max. | CV | % | Mean ± s.e. | Min. | Max. | CV | % |
| Fatty acid derivatives | 0·18 ± 0·13 | 0·00 | 2·56 | 3·18 | 1·44 ± 0·35 | 0·16 | 7·51 | 1·13 | 3·13 ± 0·39 | 0·60 | 6·30 | 0·53 | |||
| Aldehydes | 0·18 ± 0·13 | 0·00 | 2·56 | 3·18 | 1·44 ± 0·35 | 0·16 | 7·51 | 1·13 | 3·13 ± 0·39 | 0·60 | 6·30 | 0·53 | |||
| Nonanal | 0·18 ± 0·13 | 0·00 | 2·56 | 3·18 | 30 | 1·44 ± 0·35 | 0·16 | 7·51 | 1·13 | 100 | 3·13 ± 0·39 | 0·60 | 6·30 | 0·53 | 100 |
| Benzenoids | 1·87 ± 0·74 | 0·08 | 12·56 | 1·77 | 2·30 ± 0·32 | 0·10 | 6·09 | 0·64 | 4·15 ± 0·60 | 0·00 | 8·25 | 0·61 | |||
| Aldehydes | 1·87 ± 0·74 | 0·08 | 12·56 | 1·77 | 2·30 ± 0·32 | 0·10 | 6·09 | 0·64 | 4·15 ± 0·60 | 0·00 | 8·25 | 0·61 | |||
| Benzaldehyde | 1·87 ± 0·74 | 0·08 | 12·56 | 1·77 | 100 | 2·30 ± 0·32 | 0·10 | 6·09 | 0·64 | 100 | 4·15 ± 0·60 | 0·00 | 8·25 | 0·61 | 89 |
| Isoprenoids | 53·15 ± 7·27 | 0·00 | 93·28 | 0·61 | 15·75 ± 4·59 | 3·02 | 73·59 | 1·33 | 21·68 ± 4·68 | 5·6 | 73·7 | 0·92 | |||
| Irregular terpenes | 0·30 ± 0·12 | 0·00 | 1·53 | 1·78 | 0·51 ± 0·14 | 0·00 | 2·94 | 1·27 | 0·75 ± 0·17 | 0·00 | 2·30 | 0·97 | |||
| 6-Methyl-5-hepten-2one | 0·30 ± 0·12 | 0·00 | 1·53 | 1·78 | 40 | 0·51 ± 0·14 | 0·00 | 2·94 | 1·27 | 91 | 0·75 ± 0·17 | 0·00 | 2·30 | 0·97 | 72 |
| Monoterpenes | 52·85 ± 7·31 | 0·00 | 93·28 | 0·62 | 15·24 ± 4·61 | 2·50 | 73·35 | 1·39 | 20·93 ± 4·65 | 5·6 | 73·5 | 0·94 | |||
| α-Pinene | 11·34 ± 2·63 | 0·00 | 37·10 | 1·04 | 85 | 2·50 ± 1·60 | 0·00 | 30·78 | 2·93 | 71 | 3·25 ± 2·11 | 0·00 | 31·38 | 2·75 | 39 |
| Camphene | 0·31 ± 0·22 | 0·00 | 4·54 | 3·20 | 50 | 0·03 ± 0·03 | 0·00 | 0·50 | 3·50 | 10 | 0·02 ± 0·02 | 0·00 | 0·24 | 2·93 | 11 |
| Sabinene | 8·65 ± 1·71 | 0·00 | 20·50 | 0·88 | 85 | 1·95 ± 0·66 | 0·13 | 11·85 | 1·55 | 100 | 2·07 ± 0·97 | 0·00 | 13·54 | 1·98 | 50 |
| β-Pinene | 1·84 ± 0·35 | 0·00 | 4·98 | 0·86 | 75 | 0·92 ± 0·26 | 0·15 | 5·07 | 1·27 | 100 | 1·93 ± 0·34 | 0·00 | 4·58 | 0·74 | 83 |
| Myrcene | 5·60 ± 1·18 | 0·00 | 21·43 | 0·94 | 95 | 2·26 ± 0·50 | 0·24 | 9·21 | 1·02 | 100 | 2·95 ± 0·53 | 0·00 | 6·62 | 0·77 | 83 |
| β-Phellandrene | 0·26 ± 0·06 | 0·00 | 0·76 | 0·97 | 70 | 0·91 ± 0·12 | 0·25 | 2·16 | 0·61 | 100 | 3·29 ± 1·19 | 0·00 | 20·60 | 1·53 | 83 |
| Limonene/eucalyptol | 13·08 ± 2·36 | 0·00 | 36·32 | 0·81 | 80 | 1·48 ± 0·62 | 0·09 | 11·33 | 1·90 | 100 | 2·45 ± 0·87 | 0·00 | 12·23 | 1·50 | 67 |
| γ-Terpinene | 1·00 ± 0·44 | 0·00 | 8·19 | 1·97 | 45 | 0·16 ± 0·11 | 0·00 | 1·74 | 3·17 | 10 | 0·15 ± 0·08 | 0·00 | 0·94 | 2·31 | 17 |
| Linalool | 7·68 ± 4·03 | 0·00 | 77·65 | 2·35 | 85 | 4·16 ± 3·06 | 0·00 | 65·23 | 3·37 | 95 | 2·54 ± 0·57 | 0·00 | 9·18 | 0·95 | 89 |
| α-Pinene-epoxide | 1·10 ± 0·27 | 0·00 | 3·81 | 1·11 | 75 | 0·09 ± 0·06 | 0·00 | 0·92 | 3·16 | 10 | 0·29 ± 0·14 | 0·00 | 1·75 | 2·03 | 22 |
| Terpinene-4-ol | 1·37 ± 0·54 | 0·00 | 9·73 | 1·77 | 65 | 0·67 ± 0·22 | 0·00 | 3·31 | 1·46 | 86 | 1·93 ± 0·28 | 0·39 | 4·04 | 0·61 | 100 |
| α-Terpineol | 0·62 ± 0·29 | 0·00 | 6·01 | 2·10 | 80 | 0·10 ± 0·05 | 0·00 | 0·72 | 2·03 | 38 | 0·05 ± 0·04 | 0·00 | 0·52 | 2·94 | 11 |
| Miscellaneous | 4·72 ± 2·18 | 0·00 | 43·88 | 2·06 | 3·90 ± 0·89 | 0·28 | 19·01 | 1·05 | 6·19 ± 1·50 | 0·00 | 23·76 | 1·02 | |||
| 2,3-Benzofuran | 4·72 ± 2·18 | 0·00 | 43·88 | 2·06 | 95 | 3·90 ± 0·89 | 0·28 | 19·01 | 1·05 | 100 | 6·19 ± 1·50 | 0·00 | 23·76 | 1·02 | 94 |
| Unidentified compounds | 40·07 ± 6·47 | 5·95 | 94·76 | 0·72 | 76·61 ± 4·57 | 25·87 | 93·79 | 0·27 | 64·85 ± 4·59 | 23·73 | 86·99 | 0·30 | |||
| Compounds 1–18 | 40·07 ± 6·47 | 5·95 | 94·76 | 0·72 | 100 | 76·61 ± 4·57 | 25·87 | 93·79 | 0·27 | 100 | 64·85 ± 4·59 | 23·73 | 86·99 | 0·30 | 100 |
Within a chemical class, compounds are ordered according to retention time. Min.: minimal relative value; Max.: maximal relative value; CV: coefficient of variance (= standard deviation/mean); %: proportion of individuals emitting a particular compound.