Allelopathic potential of the phenolics from the roots of Pluchea lanceolata [chlorogenic acid, formononetin, 7-O-glucoside, phloroglucinol]

alelopatia allelochemicals allelopathie allelopathy antagonism antagonisme antagonismo brassica juncea coumarine coumarins crecimiento croissance cumarinas exsudat exudados exudates growth malezas mauvaise herbe phenolic compounds racine rhizosphere rizosfera roots soil sol suelo triticum aestivum weeds