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This review analyzes the allelopathic properties of Brazilian pepper oils, suggesting factors for future investigations.
The Brazilian pepper plant (Schinus terebinthifolius Raddi) is an invasive species that displays multiple characteristics that allow habitat invasion, including allelopathy. This review analyzes the existing literature that characterizes the Brazilian pepper’s essential oil from multiple geographic regions globally. This review reveals that the terpenoid constituents of the essential oil varies based on region, season and plant part. Laboratory bioassays and greenhouse studies demonstrating the allelopathic effects of its oils on several plant species are discussed. We suggest that future bioassays or pot cultures investigating allelopathy of Brazilian pepper should include the geographic location, plant part used (leaves vs. fruit), season harvested, phenological phase of plant and the terpenoids characterization. We also suggest field studies to investigate the persistence of Brazilian pepper’s allelopathic chemicals in their surrounding environment.
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Faulconer et al. (2018) studied this question.
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