Allelopathic Potentials of Tithonia diversifolia (Hemsl) A. Gray: Effect on the Germination, Growth and Chlorophyll Accumulation of Capsicum annum L. and Lycopersicon esculentum Mill.

O.O. Otusanya, O.W. Ikonoh and O.J. Ilori

International Journal of Botany 4 ( 4 ): 471 - 475 , 2008