Synergistic Antifungal Activity of Graphene Oxide and Fungicides against Fusarium Head Blight In Vitro and In Vivo

文献类型： 外文期刊

第一作者： Wang, Xiuping

作者： Wang, Xiuping;Peng, Fei;Cheng, Caihong;Wang, Xiuping;Peng, Fei;Cheng, Caihong;Chen, Lina;Shi, Xuejuan;Gao, Xiaoduo;Li, Jun

作者机构：

关键词： graphene oxide; fungicides; synergistic antifungal activity; nanofungicides; plant pathogenic fungi

期刊名称：NANOMATERIALS （ 影响因子：5.076； 五年影响因子：5.346 ）

ISSN：

年卷期： 2021 年 11 卷 9 期

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收录情况： SCI

摘要： Plant pathogens constantly develop resistance to antimicrobial agents, and this poses great challenges to plant protection. Therefore, there is a pressing need to search for new antimicrobials. The combined use of antimicrobial agents with different antifungal mechanisms has been recognized as a promising approach to manage plant diseases. Graphene oxide (GO) is a newly emerging and highly promising antimicrobial agent against various plant pathogens in agricultural science. In this study, the inhibitory activity of GO combined with fungicides (Mancozeb, Cyproconazol and Difenoconazole) against Fusarium graminearum was investigated in vivo and in vitro. The results revealed that the combination of GO and fungicides has significant synergistic inhibitory effects on the mycelial growth, mycelial biomass and spore germination of F. graminearum relative to single fungicides. The magnitude of synergy was found to depend on the ratio of GO and fungicide in the composite. In field tests, GO-fungicides could significantly reduce the disease incidence and disease severity, exhibiting a significantly improved control efficacy on F. graminearum. The strong synergistic activity of GO with existing fungicides demonstrates the great application potential of GO in pest management.

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