Abstract Laboratory experiments were conducted at the College of Agricultural Studies, Sudan University of Science and Technology, to evaluate the insecticidal effect of korobi Nerium oleander L, Damas Conocarpus lancifolius Engl and Mahogany Khaya senegalensis (Desr. A.Juss). against red flour beetle Tribolium castaneum Herbst. Three formulations (powder, aqueous and ethanolic extract of each plant were used under three concentrations . Three concentrations from each plant (5%, 10% and 15%...
Groundnut is considered one of the major oil seed crops, widely grown in tropical and subtropical regions of the world. Its multiple uses make it as an excellent cash crop for domestic market and for foreign trade as well. The low germination level and poor growth of the crop in some conditions due to plant pathogens and other causal agents is one of the factors behind low productivity. Considering the irrational use of synthetic pesticides to control various pests and diseases of the c...
Laboratory experiments were conducted in the Department of Plant protection, College of Agricultural Studies- Shambat, Sudan University of Science and Technology (SUST). The objectives of the study were to evaluate the lethal effects of the aqueous extracts and powders of Jatropha (Jatropha curcas L.) seeds, and Argel (Solenostemma argel (Del.) leaves, against the 3rd larval instars of the spiny boll worm, Earias insulana (Boisd), to test their effects on the rate of egg hatchability ...