Allelopathic effect of the phytomass of Lupinus angustifolius (L.) on germination and early development of Zea mays (L.) and Bidens pilosa (L.)
Keywords:
Allelochemicals, Fabaceae, blue lupine, vegetable extractAbstract
The goal of this work was to evaluate the allelopathic effect of aqueous extract of fresh leaves of Lupinus angustifolius L. on bioindicator species (lettuce), on corn crop species and beggartick as invasive. The seeds of these species were submitted to aqueous extracts prepared in the proportion of 200g/L of distilled water and diluted at concentrations of 20% (4% w/v), 40% (8% w/v), 60% (12% w/v), 80% (16% w/v) e 100% (20% w/v), plus a control with distilled water. It was noted negative allelopathici nterference in lettuce and beggartick while for corn was only observed a small negative interference in the average root length, where the statistical difference is present in the extract to 100%. It is concluded that the L. angustifolius has allelopathic potential and can be used in succession crops of corn yield, and also reduce the development of beggartick as option of natural herbicide.
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