Allelopathic effects of aqueous extracts of leaves of tree marigold (Tithonia diversifolia (Hemsl.) A. Gray) on seed germination and seedling growth of lettuce (Lactuca sativa L.). Scientia Agropecuaria, [S. l.], v. 4, n. 3, p. 229–241, 2013. DOI: 10.17268/sci.agropecu.2013.03.09. Disponível em: https://revistas.unitru.edu.pe/index.php/scientiaagrop/article/view/336. Acesso em: 18 jul. 2026.