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 (ə-lē-lŏp′ə-thē, ăl′ə-)
A usually negative effect on the growth or development of an organism of one species, caused by a chemical released by an organism of another species. Usually used of plants.

[Greek allēlōn, reciprocally (from allos, another; see al- in Indo-European roots) + -pathy.]

al·le′lo·path′ic (ə-lē′lə-păth′ĭk, ə-lĕl′ə-) adj.


relating to or characterized by allelopathy
References in periodicals archive ?
Agricultural practices and allelopathic effects of the root of this plant (secretion of the antimicrobial substance allicin) may also decrease microbial abundance in the soil around its roots (Ankri and Mirelman 1999).
Also, cedars and junipers often are allelopathic, producing root chemicals that retard competing vegetation growth.
Its aggressive growth, in addition to allelopathic properties, results in displacement of native vegetation and changes in plant community structure (Morton 1978; Morgan & Overholt 2005).
Isoflavanones from the allelopathic aqueous root exudate of Desmodium undnatum.
Effects of incorporation of allelopathic plants leaf residues on mycorrhizal colonization and Gladiolus diseases.
STG06L-35-061 owes its winning combination of agronomic and allelopathic traits to the commercial cultivars Katy and Drew-both tropical japonica rice types-and PI 312777, an indica line.
radianna, is known to have allelopathic effects (Bewick et al.
Allelopathic studies represent the alternative and biological search for natural phytotoxins and synthetic derivatives for use as natural herbicides because these compounds show specific action and have a less harmful impact on the environment (CHOU, 1999).
Some grasses, such as molasses grass (Melinis minutiflora), can have an allelopathic effect on laurels.