11种杀菌剂对小麦黑胚病菌的室内毒力测定  

Determination of Indoor Toxicities of 11 Fungicides against Alternaria alternat

作　　者：邢小萍[1] 袁虹霞[1] 孙炳剑[1] 李洪连[1] 王信[1] 

机构地区：[1]河南农业大学植物保护学院,河南郑州450002

出　　处：《河南农业科学》2006年第12期54-55,60,共3页Journal of Henan Agricultural Sciences

基　　金：国家"十五"重大科技专项"食品安全关键技术应用的综合示范"(2001BAS04A30)

摘　　要：采用PDA平板和凹玻片法分别测定了11种杀菌剂对小麦黑胚病菌菌丝生长和孢子萌发的抑制作用,结果表明,适乐时对病菌孢子萌发和菌丝生长的抑制活性都最强,EC50分别为1.45×105mg/kg和0.10mg/kg;科博、敌力脱、扑海因、敌畏丹对病菌孢子萌发的抑制活性也较强,EC50分别为0.04mg/kg,0.16mg/kg,0.16mg/kg,0.71mg/kg;敌力脱、扑海因和敌畏丹对小麦黑胚病菌菌丝生长的抑制活性较强,EC50分别为1.70mg/kg和1.74mg/kg。The indoor toxicities of 11 fungicides against pathogen of wheat black point（Alternaria alternata） was tested by using PDA plates and concave slide glass. The results indicated that CELEST（fludioxonil） had the best inhibiting effect on the hypha growth and spore germination of the pathogen, the EC50 values were 1.45 × 10^-5 mg/kg and 0. 10mg/kg, respectively; Cuprofix （Mancozeb, Bordeaux mixture）, Tilt（Propiconzole）, Rovral（iprodione） and DIVIDEND（difennoconazole） had higher inhibitory to the spore germination while Tilt （Propiconzole） and Rovral （iprodione） were better to inhibit the hypha growth.

关 键 词：小麦黑胚病 链格孢 杀菌剂 毒力测定 

分 类 号：S435.121[农业科学—农业昆虫与害虫防治]