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Benzalkonium Chloride and Benzethonium Chloride Effectively Reduce Spore Germination of Ginger Soft Rot Pathogens: Fusarium solani and Fusarium oxysporum

文献类型： 外文期刊

作者： Zhao, Dongxu 1 ; Zhang, Yang 1 ; Jin, Zhaoyang 1 ; Bai, Ruxiao 2 ; Wang, Jun 2 ; Wu, Li 1 ; He, Yujian 1 ; Santos, Liliana 1 ;

作者机构： 1.Univ Chinese Acad Sci, Sch Chem Sci, Beijing 100049, Peoples R China

2.Xinjiang Acad Agr Reclamat Sci, Inst Farmland Water Conservancy & Soil Fertilizers, Shihezi 832000, Peoples R China

3.Peking Univ, Sch Pharmaceut Sci, State Key Lab Nat & Biomimet Drugs, Beijing 100191, Peoples R China

4.Univ Chinese Acad Sci, Sch Future Technol, Beijing 100049, Peoples R China

关键词： ginger soft rot; Fusarium solani; Fusarium oxysporum; benzalkonium chloride; benzethonium chloride; inactivation

期刊名称：JOURNAL OF FUNGI （ 影响因子：4.7； 五年影响因子：5.2 ）

ISSN：

年卷期： 2024 年 10 卷 1 期

页码：

收录情况： SCI

摘要： Ginger soft rot is a serious soil-borne disease caused by Fusarium solani and Fusarium oxysporum, resulting in reduced crop yields. The application of common chemical fungicides is considered to be an effective method of sterilization, and therefore, they pose a serious threat to the environment and human health due to their high toxicity. Benzalkonium chloride (BAC) and benzethonium chloride (BEC) are two popular quaternary ammonium salts with a wide range of fungicidal effects. In this study, we investigated the fungicidal effects of BAC and BEC on soft rot disease of ginger as alternatives to common chemical fungicides. Two soft rot pathogens of ginger were successfully isolated from diseased ginger by using the spread plate method and sequenced as F. solani and F. oxysporum using the high-throughput fungal sequencing method. We investigated the fungicidal effects of BAC and BEC on F. solani and F. oxysporum, and we explored the antifungal mechanisms. Almost complete inactivation of spores of F. solani and F. oxysporum was observed at 100 mg/L fungicide concentration. Only a small amount of spore regrowth was observed after the inactivation treatment of spores of F. solani and F. oxysporum in soil, which proved that BAC and BEC have the potential to be used as an alternative to common chemical fungicides for soil disinfection of diseased ginger.

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