Comparison of Volatile Compounds between Wild and Cultivated Roses

Rose ( Rosa L.) is an economically important ornamental genus that has been cultivated for its scent the perfume industry since antiquity. However, most modern roses have lost their fragrance during later stages of breeding process. Here, 59 species , including 24 wild species, 20 Chinese old garden roses, and 15 were examined by headspace solid-phase microextraction gas chromatography–mass spectrometry. Fifty-three volatile organic compounds (VOCs), terpenoids, benzenoids/phenylpropanoids, fatty acid derivatives, detected with qualitative quantitative analyses. Thirteen common components, geraniol, citronellol, 2-phenylethanol, 3,5-dimethoxytoluene, 1,3,5-trimethoxybenzene, germacrene D, cis-3-hexenyl acetate, found. Furthermore, different or cultivars showed characteristic compounds. 3,5-Dimethoxytoluene 1,3,5-trimethoxybenzene main in odorata chinensis which are original parents roses. 2-Phenylethanol, geraniol aromatic damascene centifolia . Methyl salicylate, eugenol, methyl benzyl acetate domestication to then cultivars. Geranyl neryl dihydro-β-ionol gained this time higher amounts across rose Natural selection may caused compound gains losses. These findings provide a platform mining scent-related genes improved plants enhanced flower characteristics develop new essential oil–producing plants.