title: Allelopathic agents from Cyrtocymura cincta.
abstract: The sesquiterpenoid fractions from the chloroform extracts of roots and aerial parts of the weed Cyrtocymura cincta (Griseb.) H. Robinson (Compositae) were tested to observe the effects on seed germination and growth of three dicot and four monocot species. Promotion and inhibition effects were observed according to the examined compound, specific seed or cultivar, and concentration.
authors.affiliation: Instituto de Química Orgánica, Facultad de Bioquímica, Química y Farmacia, Universidad Nacional de Tucumán, Ayacucho, Argentina.
authors.forename: D
authors.initials: D
authors.lastname: Alvarez Valdés
authors.forename: A
authors.initials: A
authors.lastname: Elías
authors.forename: A
authors.initials: A
authors.lastname: Bardón
mesh_terms: D001118:Argentina; D019659:Asteraceae / Q000737:chemistry*; D018554:Avena / Q000187:drug effects / Q000254:growth & development; D002847:Chromatography, Agarose; D002851:Chromatography, High Pressure Liquid; D018552:Daucus carota / Q000187:drug effects / Q000254:growth & development; D004305:Dose-Response Relationship, Drug; D018525:Germination / Q000187:drug effects*; D007783:Lactones / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D018545:Lactuca / Q000187:drug effects / Q000254:growth & development; D018551:Solanum lycopersicum / Q000187:drug effects / Q000254:growth & development; D015394:Molecular Structure; D019697:Onions / Q000187:drug effects / Q000254:growth & development; D008897:Panicum / Q000187:drug effects / Q000254:growth & development; D063245:Plant Development; D018515:Plant Leaves / Q000737:chemistry; D018521:Plant Physiological Phenomena; D018517:Plant Roots / Q000737:chemistry; D010944:Plants / Q000187:drug effects*; D010946:Plants, Medicinal / Q000737:chemistry*; D012639:Seeds / Q000187:drug effects / Q000254:growth & development; D012717:Sesquiterpenes / Q000737:chemistry / Q000302:isolation & purification* / Q000494:pharmacology; D013055:Spectrophotometry, Infrared; D013237:Stereoisomerism
chemical_list: D007783:Lactones; D012717:Sesquiterpenes; C002602:costunolide