Floral scents of hawkmoth-pollinated flowers in Japan |
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Authors: | Takashi Miyake Ryohei Yamaoka Tetsukazu Yahara |
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Institution: | (1) Department of Biology, Faculty of Science, Kyushu University, 812-8581 Hakozaki, Fukuoka, Japan;(2) Department of Applied Biology, Kyoto Institute of Technology, 606-0951 Kyoto, Japan |
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Abstract: | Similarity among the floral scents of hawkmoth-pollinated plants was investigated with headspace samplings. Six of seven plant
species belonging to different families were found to be rich in isoprenoids, among which linalool was the most common compound.
Linalool showed rhythmicity with a nocturnal increase inLonicera japonica. These findings suggest that linalool is a common attractant for nocturnal hawkmoths. However, the composition of other isoprenoids,
benzenoids and fatty acid derivatives varied markedly among the plant species examined. There was a significant correlation
between species composition of flower-visiting hawkmoths and specific floral scents, suggesting that attractiveness to each
hawkmoth species is dependent upon floral scent. |
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Keywords: | Floral volatile compounds Nocturnal scent emission Pollinator composition Sphingophilous flowers |
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