250 g/L丙环唑乳油对太子参根腐病室内生物活性及田间药效评价  

Laboratory biological activity and field efficacy of propiconazole 250 g/L EC against root rot of Pseudostellaria heterophylla

作　　者：林雄杰[1] 金国 邹华娇[3] 张艳芳[1] 赵晓玮 黄镜浩[1] 温寿星[1] 胡菡青[1] LIN Xiongjie;JIN Guo;ZOU Huajiao;ZHANG Yanfang;ZHAO Xiaowei;HUANG Jinghao;WEN Shouxing;HU Hanqing(Fruit Research Institute,Fujian Academy of Agricultural Sciences,Fuzhou 350013,China;Agricultural and Rural Bureau of Zherong,Zherong 355300,Fujian,China;Fujian Inspection and Testing Centre for Agricultural Product Quality and Safety,Fuzhou 350003,China)

机构地区：[1]福建省农业科学院果树研究所,福州350013 [2]柘荣县农业农村局,福建柘荣355300 [3]福建省农产品质量安全检验检测中心,福州350003

出　　处：《农药》2024年第11期849-852,共4页Agrochemicals

基　　金：福建省2022年小宗作物用药登记试验项目(NYTNY2022-02)。

摘　　要：[目的]评价250 g/L丙环唑乳油对太子参根腐病的室内生物活性和田间防效。[方法]采用生长速率法进行室内生物活性测定及灌根法开展田间防治研究。[结果]室内生测结果表明:250 g/L丙环唑乳油的EC50为33.62 mg/L。田间试验结果表明:250 g/L丙环唑乳油的制剂用量450、600、750 mL/hm^(2)处理的防效为60.23%~75.16%。[结论]250 g/L丙环唑乳油对太子参根腐病具有较好的防效,且对太子参生长安全,可用于田间太子参根腐病防治。[Aims]To evaluate the laboratory biological activity and field efficacy of propiconazole 250 g/L EC against root rot of Pseudostellaria heterophylla.[Methods]The laboratory biological activity was studied with the mycelial growth rate method,and the field trial was carried out by root irrigation.[Results]The results of the laboratory biological activity showed that the EC50 of propiconazole 250 g/L EC was 33.62 mg/L.The field trial results showed that the control efficiency of propiconazole 250 g/L EC was 60.23%-75.16%at 450,600 and 750 mL/ha.[Conclusions]Propiconazole 250 g/L EC has good control efficacy on the root rot of P.heterophylla,with good safety on its growth.It can be used to prevent the root rot of P.heterophylla in the field.

关 键 词：太子参 根腐病 尖孢镰刀菌 室内生物活性测定 田间防治效果 

分 类 号：S482.2[农业科学—农药学]