18.7%烯酰·吡唑酯水分散粒剂对烟草黑胫病的防治效果  

Control Effects of Dimethomorph·Pyraclostrobin 18.7% WG on Tobacco Black Shank

作　　者：王忠宇 张承[2] 张崇德 蒋承耿 李长权 杨文钢 龙友华[2] WANG Zhong-yu;ZHANG Cheng;ZHANG Cong-de;JIANG Cheng-geng;LI Chang-quan;YANG Wen-gang;LONG You-hua(Liupanshui Tobacco Company of Guizhou Province,Liupanshui 553000,Guizhou,China;Collegc of Agriculture,Guizhou University,Guiyang 550025,China)

机构地区：[1]贵州省烟草公司六盘水市公司,贵州六盘水553000 [2]贵州大学农学院,贵阳550025

出　　处：《农药》2020年第1期65-67,共3页Agrochemicals

基　　金：中国烟草总公司贵州省公司科技项目(201713,201108);贵州省优秀青年科技人才基金[黔科合平台人才(2017)5616];贵州省烟草品质遗传改良与生物转化科技创新人才团队(黔科合人才团队[2015]4011号);贵州省高层次创新型人才培养计划——百层次人才(黔科合平台人才[2016]5663号)

摘　　要：[目的]探明18.7%烯酰·吡唑酯水分散粒剂对烟草黑胫病的防治效果。[方法]采用菌丝生长速率法和田间药效试验法。[结果]18.7%烯酰·吡唑酯水分散粒剂对烟草黑胫病菌丝生长的抑制效果最好,EC50值为0.09 mg/L。烟草移栽期和团棵期18.7%烯酰·吡唑酯水分散粒剂864.88 g a.i./hm2处理对烟草黑胫病防治效果达91.43%,极显著高于对照药剂处理,且能较好地促进烟株的良好生长。[结论]18.7%烯酰·吡唑酯水分散粒剂可作为替代药剂,用于烟草黑胫病的大田防控。[Aims]This study aims to determine the potency of dimethomorph·pyraclostrobin 18.7% WG for management of tobacco black shank.[Methods]The mycelial linear growth rate method and field efficacy test method were used.[Results]The results showed that dimethomorph·pyraclostrobin 18.7% WG had the best inhibitory effect with EC50 value of 0.09 mg/L.Dimethomorph·pyraclostrobin 18.7% WG at concentration of 864.88 g a.i./ha against tobacco black shank was 91.43%,which was significantly higher than controls.In addition,it could effectively promote the growth of tobacco plants.[Conclusions]The study indicated that dimethomorph·pyraclostrobin 18.7% WG could be used as an alternative fungicide to control tobacco black shank.

关 键 词：烟草 黑胫病 烯酰吗啉 吡唑醚菌酯 防效 农艺性状 

分 类 号：S482.2[农业科学—农药学]