Tropical Grasslands (1992) Volume 26, 111–114

Competition between Brachiaria humidicola and Mimosa pigra


Department of Primary Industry and Fisheries, Berrimah, Northern Territory, Australia


Koronivia grass (Brachiaria humidicola) was established in pots at densities ranging from 0 to 16 plants per pot, together with seedlings of the woody weed mimosa (Mimosa pigra). The height, stem diameter, number of leaflets and leaves, dry weight per unit of height and dry matter yield of the weed were reduced by presence of the grass. Suggestions are made of other grass species which may be suitable for competing with mimosa seedlings on floodplains.

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