Abstract:
This study was carried out in the laboratory of plant pathology, plant protection Department, College of Agricultural Studies, Sudan University of Science and Technology in (2017) the objective of this study was to evaluate The efficacy of Hagel (Solenostemma argel) leaves ethanol extracts and (Fulldazim 50 WP) fungicides against Fusarium oxysporum f.sp Lycopersion in tomato in culture media Potato dextrose agar (PDA) in vitro.The fungi are an important causing significant reduction in yield. In the present study, the pathogenic fungi were isolated from infected plant parts .The fungi were identified based on morphological and culture characters as Fusarium oxysporum f.sp Lycopersion. Studies were conducted three concentrations of Hargel ethanol extracts (25, 50 100%) in addition to the control treated with distilled water. The results obtained that all concentrations exhibited and has an inhibitory effects on the growth of the fungus tested compared to control. The highest inhibition effect was obtained at 100% (98) compared by control (5). Generallythe inhibition zone increases with increase the concentration of the extracts. In conclusion, this study showed that Hargel leaves contain antifungal properties that could investigated in further studies.
