AbdulRahaman, A.A.Afolabi, A.A.Olayinka, B.U.Mustapha, O.T.Abdulkareem, K.A.Oladele, F.A.2024-04-162024-04-162013-09AbdulRahaman, A. A., Afolabi, A. A., Olayinka, B. U., Mustapha, O.T., Abdulkareem, K. A. & Oladele, F. A. (2013). Effects of sodium azide and nitrous acid on the morphology and leaf anatomy of Jatropha curcas L. (Euphorbiaceae). International Journal of Phytofuels and Allied Sciences, 2(1): 30 – 41https://uilspace.unilorin.edu.ng/handle/123456789/11829Morphological and anatomical effects of two chemomutagens namely sodium azide and nitrous acid were studied on Jatropha curcas. Seeds were soaked in the two mutagens at various concentrations (1mM, 2mM, 3mM and 4mM) for 4 hours and later rinsed in the distilled water to remove excess mutagens. The seeds were later air dried and planted in plastic pots for observations for 12 weeks. Results shown increase in the seedling height, number of leaves, high frequency of paracytic stomata, higher stomatal index and density on the abaxial leaf surface and large stomata in seedlings induced with sodium azide (1mMNaN3 and 2mMNaN3). Also nitrous acid along with the sodium azide enhanced higher stomatal index and density, and large stomata. The effects of sodium azide especially 1mMNaN3 and 2mMNaN3 induced beneficial traits in morphology and anatomy of J. curcas than nitrous acid.enJatropha curcasNitrous acidSodium azideMorphologyLeaf anatomyArticle