A. Tawfiq A, S. Alsaadawi I. Allelopathic Effect of Root Exudates of Two Sunflower Cultivars on Companion Weeds. Iraqi Journal of Science [Internet]. 2023 Oct. 22 [cited 2026 Jan. 4];55(4A):1516-09. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/11247