Working Document Series Open Access Sudanese Withania somnifera: a potential control agent for plant microorganisms E. A. Adil Bala · R. Delorme · P-H. Ducrot · J. Einhorn +4 more For centuries plants have been used throughout the world as pesticides, drugs and remedies for various diseases. However, pesticides and drugs in general, tend to be very expensive particularly so for the developing countries. Comparative … RUF-33804 2014 CC BY 4.0 10 Aug 2015