The effect of leaves extract of ( Conocarpus erectus L.) plant on Ulocladium botrytis and Alternaria solani fungi that isolated from

Abstract

The effect of cold and hot water , methanol and ethanol extracts of leaves of Conocarpus erectus plant on Alternaria solani and Ulocladium botrytis fungi isolated from Cucumis melo var. flexuosus roots were tested . When treatmented Alternaria solani the (100%) highest inhibition percentage of methanol and ethanol extracts and (78.3 , 77.7%) for cold and hot water extracts, respectively on (45) mg/ml . In the case of Ulocladium botrytis also the highest percentage (100%) inhibition ofmethanol and ethanol extracts in (30 and 40) mg/ml , as hot and cold water extracts inhibition percentage above of (88.8 and 86.1%) respectively on (45) mg/ml. Tested effect plant extracts in germination of plant , It was found that the percentage of germination was decreased at the concentration (15) mg/ml of cold water and ethanol extracts and of (30) mg/ml of methanol extract ; The other extracts were approximate to germination percentage of control .