The Pattern of Straight Chain Hydrocarbons Released by Yucca Flowers (Asparagaceae)
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The hydrocarbon pattern in the floral scent of Yucca species was found to comprise a group of unbranched, mid-chain alkanes, alkenes, and an alkadiene. In Y. reverchonii, highly dominant (Z)-8-heptadecene is accompanied by (6Z,9Z)-6,9-heptadecadiene and heptadecane as minor components and by traces of other saturated and unsaturated hydrocarbons with similar chain length. Some of these volatiles proved to be perceived by the antennae of Tegeticula cassandra (pollinating seed-eater of Yucca) and Prodoxus decipiens (herbivore on Yucca). The possible biosynthesis of the compounds is discussed.
KeywordsYucca Scent Hydrocarbons (Z)-8-Heptadecene Biosynthesis
The research was partially supported by NSF award DEB 1556568 to DMA and KAS.
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