Evaluation the Action of Aqueous Extracts ofAzadirachta indicaand Solenostemma argel on Aphid (Aphis craccivora) (Homoptera: Aphididae)

Abstract

This study was conducted in the Entomology laboratory, Faculty of Agricultural Studies, University of KHartoum in February 2020. The purpose of this study was to evaluate inhibitory effect ofAzadirachta indica andSolenostemma argel on Aphid.The study included 3 concentrations 5%, 10%, 15%, in addition to the control. The experiment showed that argel extracts are more effective than neem extrscts. The concentration 15% from argel was the most effective after 24 hours.