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首页> 外文期刊>Journal of industrial and engineering chemistry >Synthesis, characterization, and in vitro antifungal activity of anionic and nonionic surfactants against crop pathogenic fungi
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Synthesis, characterization, and in vitro antifungal activity of anionic and nonionic surfactants against crop pathogenic fungi

机译：阴离子和非离子表面活性剂对农作物病原真菌的合成，表征和体外抗真菌活性

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Fungi have long been identified as causal agents of plant diseases. The development of plant antifungal activity was attempted by synthesis of a new type of anionic and nonionic surfactant. The surface properties were studied, including critical micelle concentration (CMC), effectiveness (pi(cmc)), maximum surface excess (Gamma(max)), and minimum surface area (A(min)). Free energy of micellization and adsorption was calculated (Delta G(mic)degrees and Delta G(ads)degrees). The antifungal activity of the prepared surfactants was verified in vitro by the poisoned food technique against eight phytopathogenic fungi: Colletotrichum dematium, Drechslera hawaiiensis, Fusarium oxysporum, Fusarium solani, Humicola fuscoatra, Pestalotia laurocerasi, Phoma spp., and Phytophthra. The results reported that the percentage inhibition of mycelial growth increases with increasing concentrations of the surfactant for all fungal species used. These results indicated that the surfactant inhibited the mycelial growth of all fungal species in a dose-dependent manner. Blend surfactants have a potential antifungal effect for the control of some phytopathogenic fungi. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
机译：真菌早已被确定为植物病害的病原体。通过合成新型的阴离子和非离子表面活性剂来尝试开发植物抗真菌活性。研究了表面性质，包括临界胶束浓度（CMC），有效性（pi（cmc）），最大表面过量（Gamma（max））和最小表面积（A（min））。计算胶束化和吸附的自由能（ΔG（mic）度和ΔG（ads）度）。通过有毒食品技术在体外验证了所制备表面活性剂的抗真菌活性，该技术对8种植物病原真菌：炭疽菌，德氏纤毛虫，尖孢镰刀菌，茄枯萎菌，腐质霉，披头孢霉，Phoma spp。和疫霉菌。结果报道，对于所使用的所有真菌物种，菌丝体生长的抑制百分比随表面活性剂浓度的增加而增加。这些结果表明，表面活性剂以剂量依赖性方式抑制所有真菌种类的菌丝体生长。混合表面活性剂对控制某些植物病原真菌具有潜在的抗真菌作用。 （C）2015韩国工业和工程化学学会。由Elsevier B.V.发布。保留所有权利。

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