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Phytotoxic effects of aqueous leaf extracts of four Myrtaceae species on three weeds Agronomy
Imatomi, Maristela; Novaes, Paula; Miranda, Maria Augusta Ferraz Machado; Gualtieri, Sonia Cristina Juliano.
Research on allelopathic interactions can be useful in the search for phytotoxins produced by plants that may be employed as natural herbicides. The aim of this study was to assess the phytotoxic action of aqueous leaf extract of Blepharocalyx salicifolius, Myrcia multiflora, Myrcia splendens and Myrcia tomentosa on the germination and development of three weeds. The working hypothesis was that leaf extracts of Myrtaceae may negatively influence the development of weed species. Aqueous leaf extracts at 5 and 10% (g mL-1) were tested on the germination and growth of Euphorbia heterophylla, Echinochloa crus-galli and Ipomoea grandifolia and compared with the herbicide oxyfluorfen and distilled water (control). The most extracts caused pronounced delays in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Agronomia e fisiologia vegetal allelopathy; Germination; Growth; Herbicide Agronomia.
Ano: 2015 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/19079
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