Effect of certain plant extracts to control purple blotch disease of onion plants (Allium cepa L.) Research Authors Sobhy I. I. Abdel-Hafez, Abo-Elyousr, K.A.M. and Ismail R. Abdel-Rahim (2013). Research Journal J Plant Physiol & Pathol 1:4. Research Rank 1 Research Year 2013
