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Background Centrostachys aquatica is a perennial emergent macrophyte in marshy places and in rivers. The species was recorded in Senegal and Nigeria, but widespread in tropical Africa, and South and East Asia. Aqueous methanol extracts C. aquatica was found to be toxic to several plant species. However, no phytotoxic substance has been reported in this species. Therefore, we investigated...
The allelopathic potential of two aquatic species, duckweed (Lemna minor L.) and water lettuce (Pistia stratiotes L.) was examined on the seedling growth of eight test terrestrial species, alfalfa (Medicago sativa L.), cress (garden cress, Lepidium sativum L.), lettuce (Lactuca sativa L.), barnyard grass (Echinochloa crus-galli (L). Beauv.), crab grass (Digitaria sanguinalis L.), junglerice (Echinochloa...
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