氧化石墨烯基纳米杀菌剂新剂型研制及其在黄瓜枯萎病防治中的应用  

Nanopesticide Formulation from Fungicides and Graphene Oxide as a Nanocarrier and Application in Controlling Cucumber Fusarium Wilt

作　　者：姚远 史学娟 王佳旭 王敬营 王秀平 YAO Yuan;SHI Xuejuan;WANG jiaxu;WANG Jingying;WANG Xiuping(College of Agronomy and Biotechnology,Hebei Normal University of Science&Technology,Qinhuangdao Hebei,066004,China;Analysis and Testing Center,Hebei Normal University of Science&Technology,Qinhuangdao Hebei,066004,China)

机构地区：[1]河北科技师范学院农学与生物科技学院,河北秦皇岛066600 [2]河北科技师范学院分析测试中心,河北秦皇岛066600

出　　处：《河北科技师范学院学报》2023年第4期52-58,共7页Journal of Hebei Normal University of Science & Technology

摘　　要：为更好的防治黄瓜枯萎病,以氧化石墨烯为载体,与甲霜灵、恶霉灵分别进行复配,制备出氧化石墨烯-甲霜灵、氧化石墨烯-恶霉灵杀菌剂纳米复合材料。对氧化石墨烯-杀菌剂进行扫描电镜表征和红外光谱表征,并采用菌丝生长速率法和孢子萌发法对氧化石墨烯-杀菌剂进行室内毒力测定。结果表明,m(氧化石墨烯)∶m(甲霜灵)=1∶1,m(氧化石墨烯)∶m(恶霉灵)=1∶1进行复配,在菌丝生长试验中,共毒系数分别为391.16和356.11;在孢子萌发试验中,共毒系数分别为292.35和221.42,对黄瓜枯萎病联合毒力同样表现为增效作用。氧化石墨烯-杀菌剂对黄瓜枯萎病具有良好的抗真菌活性。In order to better control cucumber fusarium wilt,the compound of Graphene Oxide,Metalaxyl and Hymexazol was prepared,Graphene Oxide-Metalaxyl and Graphene Oxide-Hymexazol fungicide nanocomposites were prepared.The Graphene Oxide-fungicide nanocomposites were characterized by scanning electron microscopy and infrared spectroscopy,the toxicity of Graphene Oxide-fungicide nanocomposites was determined by mycelial growth rate method and spore germination method.The results showed that the co-toxicity coefficients were 391.16 and 356.11 respectively in mycelial growth test when the mixture of m(Graphene Oxide)∶m(Metalaxyl)=1∶1,m(Graphene Oxide)∶m(Hymexazol)=1∶1;In the spore germination test,the co-toxicity coefficients were 292.35 and 221.42,respectively.The Graphene Oxide-fungicide nanocomposite has good antifungal activity against fusarium oxysporum F.sp cucumerinum.

关 键 词：氧化石墨烯 纳米杀菌剂 甲霜灵 恶霉灵 黄瓜枯萎病 

分 类 号：S436.421.13[农业科学—农业昆虫与害虫防治]