Abstract
Launaea nudicaulis is a local medicinal plant of District Bannu, KPK, Pakistan, used traditionally for various diseases and having the phytotoxic ability. In the present study, allelopathic activity of the various fractions of Launaea nudicaulis was studied against radish growth. Two concentrations of the extract: 100 and 1000 ppm were used. Methanolic and ethyl acetate fraction markedly showed inhibition of root and radical growth compared to other fraction. The fresh and dry weight of whole radical and shoot showed significant results. The allelopathic activity of various fractions of Launaea nudicaulis may be due to the presence of bioactive constituents.
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