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AHMED SALAH MAHMOUD TAWFIK,Mohamed F. Zaky,Tahany G.M. Mohammad,Hanaa A.E. Attia 한국공업화학회 2015 Journal of Industrial and Engineering Chemistry Vol.29 No.-
Fungi have long been identified as causal agents of plant diseases. The development of plant antifungalactivity was attempted by synthesis of a new type of anionic and nonionic surfactant. The surfaceproperties were studied, including critical micelle concentration (CMC), effectiveness (pcmc), maximumsurface excess (Gmax), and minimum surface area (Amin). Free energy of micellization and adsorption wascalculated (DG8mic and DG8ads). The antifungal activity of the prepared surfactants was verified in vitro bythe poisoned food technique against eight phytopathogenic fungi: Colletotrichum dematium, Drechslerahawaiiensis, Fusarium oxysporum, Fusarium solani, Humicola fuscoatra, Pestalotia laurocerasi, Phoma spp.,and Phytophthra. The results reported that the percentage inhibition of mycelial growth increases withincreasing concentrations of the surfactant for all fungal species used. These results indicated that thesurfactant inhibited the mycelial growth of all fungal species in a dose-dependent manner. Blendsurfactants have a potential antifungal effect for the control of some phytopathogenic fungi.