Gonsiorkiewicz Rigon, C.A., Salamoni, A.T., Aguiar, A.C.M. de and Cutti, L. 2018. Allelopathic effect of aqueous extracts of different organs of three sunflower cultivars on germination of radish . Bioscience Journal. 34, 3 (May 2018), 577–586. DOI:https://doi.org/10.14393/BJ-v34n3a2018-36771.