Effect of Helianthus annuus L. aqueous Leaf Extract on Seed Germination and Growth Seedlings of Some Plants in the Laboratory. Damascus University Journal of agriculture sciences, [S. l.], v. 38, n. 2, 2022. Disponível em: https://journal.damascusuniversity.edu.sy/index.php/agrj/article/view/4802. Acesso em: 18 jun. 2026.