title: Possible dual roles of an allelopathic compound, cis-dehydromatricaria ester.
abstract: The aqueous extract of the root ofSolidago altissima was lethal to nematodes. The major compound isolated from the toxic fraction wascis-dehydromatricaria ester (methyl 2-decene-4,6,8-triynoate), which is already known as an allelopathic compound of a composite showing growth-inhibition to a rice seedling. This compound showed high toxicity to plant-parasite nematodes. A composite exudes one defending substance against both competitive plants and plant-parasite nematodes.
authors.affiliation: Graduate School of Environmental Sciences, University of Tsukuba, Sakura-mura, 305, Ibaraki-ken, Japan.
authors.forename: H
authors.initials: H
authors.lastname: Saiki
authors.forename: K
authors.initials: K
authors.lastname: Yoneda