In vitro allelopathic effects of extracts and amenthoflavone from Byrsonima crassa (Malpighiaceae)
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Undergraduate course
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Taylor & Francis Ltd
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Article
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Acesso restrito
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Abstract
Extracts and pure amenthoflavone isolated from Byrsonima crassa (Malpighiaceae), a shrub growing in the semi-arid region of Brazil Cerrado, were evaluated in vitro, at different doses, for their effects on tomato seed germination and subsequent growth of seedlings. A hydromethanolic extract showed general stimulatory effects. The EtOAc extract stimulated root elongation and root weight of tomato; shoot elongation was inhibited, while shoot weight was not altered. The pure amenthoflavone isolated from the plant, stimulated shoot elongation at concentrations ranging between 10(-4) M and 10(-6) M.
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Keywords
Byrsonima crassa, amenthoflavone, tomato seeds, germination, shoot weight and elongation, root weight and elongation
Language
English
Citation
Journal of Plant Interactions. Abingdon: Taylor & Francis Ltd, v. 2, n. 2, p. 121-124, 2007.
