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Table 2 Mean absolute amounts of odor compounds (± SEM; ng h-1) in headspace samples of Silene latifolia flowers (asterisks (*) indicate significant differences between female and male amounts within populations).

From: How to be an attractive male: floral dimorphism and attractiveness to pollinators in a dioecious plant

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Compounds1 Females (N = 123)
Mean ± SE
Males (N = 79)
Mean ± SE
Females (N = 217)
Mean ± SE
Males (N = 136)
Mean ± SE
Fatty Acid Derivates 2 0.33% 0.13% 0.37% 0.17%
Octanal 0.43 ± 0.14 0.33 ± 0.10 0.11 ± 0.01 * 0.10 ± 0.03
Nonanal3 0.24 ± 0.02 0.20 ± 0.03 0.19 ± 0.02 * 0.13 ± 0.02
Aromatics 2 41.41% 43.82% 57.58% 59.56%
Benzaldehyde3 0.59 ± 0.08 0.48 ± 0.08 1.14 ± 0.18 0.94 ± 0.11
Phenylacetaldehyde4 3.49 ± 0.66 3.85 ± 1.53 34.80 ± 4.02 * 45.93 ± 6.07
2-Methoxy phenol4 0.68 ± 0.11 * 1.15 ± 0.21 0.08 ± 0.01 0.19 ± 0.04
Methyl benzoate3 0.04 ± 0.01 * 0.80 ± 0.46 0.06 ± 0.01 * 0.06 ± 0.01
2-Phenylethanol3 0.28 ± 0.13 0.31 ± 0.13 3.02 ± 0.54 * 2.26 ± 0.30
Veratrole4 72.94 ± 14.95 * 173.27 ± 25.43 1.88 ± 1.41 * 7.28 ± 3.53
Methyl salicylate3 0.85 ± 0.10 * 1.14 ± 0.34 5.41 ± 0.81 * 4.01 ± 0.84
Benzyl benzoate3 5.22 ± 3.20 * 3.95 ± 1.01 0.58 ± 0.11 * 0.34 ± 0.08
Monoterpenes 2 54.55% 52.67% 33.73% 37.24%
α-Pinene 0.16 ± 0.01 * 0.12 ± 0.02 0.13 ± 0.01 * 0.08 ± 0.01
Camphene 0.16 ± 0.01 0.14 ± 0.02 0.12 ± 0.01 * 0.08 ± 0.01
β-Pinene 0.10 ± 0.01 * 0.06 ± 0.01 0.10 ± 0.01 * 0.06 ± 0.01
Limonene 0.46 ± 0.04 0.36 ± 0.03 0.36 ± 0.02 * 0.23 ± 0.02
Eucalyptol 0.52 ± 0.11 * 0.86 ± 0.17 0.76 ± 0.10 0.72 ± 0.11
Trans-β-Ocimene3 1.25 ± 0.53 1.95 ± 0.84 1.73 ± 0.25 1.23 ± 0.27
Linalool4 0.14 ± 0.01 0.11 ± 0.01 0.15 ± 0.01 * 0.08 ± 0.01
Lilac aldehyde A4 36.63 ± 4.34 * 80.64 ± 8.02 8.41 ± 1.21 19.34 ± 3.83
Lilac aldehyde B4 61.92 ± 7.02 * 122.04 ± 12.12 13.81 ± 1.88 24.89 ± 5.13
Lilac aldehyde C4/Benzyl acetate 7.29 ± 2.09 * 11.99 ± 2.43 1.37 ± 0.21 2.20 ± 0.40
Lilac alcohol3 2.15 ± 0.25 * 4.05 ± 0.38 0.58 ± 0.07 1.01 ± 0.18
Sesquiterpenes 2 0.05% 0.01% 0.09% 0.02%
B-Farnesene 0.11 ± 0.02 * 0.05 ± 0.01 0.07 ± 0.02 0.03 ± 0.00
Irregular terpenes 2 0.05% 0.02% 0.12% 0.04%
6-Methyl-5-hepten-2-one 0.11 ± 0.02 0.10 ± 0.02 0.10 ± 0.01 0.06 ± 0.01
Unidentified with Kovat's retention index ( R I ) 2 3.61% 3.35% 8.11% 2.95%
Unknown 1 (978) 0.99 ± 0.10 0.95 ± 0.12 0.90 ± 0.08 * 0.65 ± 0.08
Unknown 2 (992) 3.63 ± 0.41 * 2.47 ± 0.55 4.98 ± 0.66 * 1.86 ± 0.23
Unknown 3 (1009) 0.09 ± 0.01 0.05 ± 0.01 0.09 ± 0.02 * 0.02 ± 0.01
unknown 4 (1112) 0.29 ± 0.06 * 0.82 ± 0.11 0.14 ± 0.02 * 0.26 ± 0.04
unknown 5 (1191) 2.33 ± 0.36 * 9.85 ± 1.20 0.51 ± 0.06 * 1.17 ± 0.19
  1. 1 Compounds within a chemical class ordered according to retention time.
  2. 2The relative contribution of each chemical class is given in bold (in %).
  3. 3Electrophysiologically (GC-EAD) and 4behaviorally active odor compounds in Hadena bicruris as described by Dötterl et al. (2005, 2006) and personal communication [17, 20].