Suleiman M, Emua S. Efficacy of four plant extracts in the control of root rot disease of cowpea (Vigna unguiculata [L.] Walp). ajb [Internet]. 2010 Nov. 17 [cited 2026 Aug. 9];8(16). Available from: https://www.ajol.info/index.php/ajb/article/view/62063