防治小麦纹枯病的杀菌剂筛选  

Selection of Fungicides in Controlling Wheat Sharp Eyespot Caused by Rhizoctonia cerealis

作　　者：王文桥[1] 韩秀英[1] 张小风[1] 马志强[1] 李红霞[1] 

机构地区：[1]河北省农林科学院植物保护研究所,河北保定071000

出　　处：《华北农学报》2007年第B10期230-234,共5页Acta Agriculturae Boreali-Sinica

基　　金：国家粮食丰产项目(2004BA520A15);河北省粮食丰产工程项目(2004BA520A07-05)

摘　　要：测定表明，己唑醇、戊唑醇抑制小麦纹枯病菌菌丝生长的活性明显高于多菌灵、甲基硫菌灵、萎锈灵、嘧菌酯、眯鲜胺、啶菌恶唑、井冈霉素、甲基立枯磷、五氯硝基苯、恶霉灵、福美双、百菌清、丙森锌、代森锰锌；5％己唑醇微乳剂、12．5％戊唑醇水乳剂及25％阿米西达悬浮剂对麦苗上纹枯病菌的毒力高于50％多菌灵可湿粉、70％甲基硫菌灵可湿粉、5％井冈霉素可溶粉、40％达科宁悬浮剂、25％敌力脱乳油、40％氟硅唑乳油、10％世高水分散颗粒剂、20％甲基立枯磷乳剂、40％卫福悬浮种衣剂和50％福美双可湿粉；福美双与己唑醇混配抑制小麦纹枯病菌增效，1：10为最佳配比，依此配成44％己唑醇·福美双可湿粉600—1200倍稀释液喷雾土壤及浸种未抑制小麦生长及推迟小麦出苗。The test showed that the triazole fungicides hexaconazole and tebucolazole posessed much higher inhibitory activity against mycelial growth of Rhizoctonia cerealis than carbendazim, thiophanate-methyl, carboxin, azoxystrobin, prochloraz, SYP-Z048, validmycin, toclofos-methyl, quintozene, hymexazol, thiram, chlorothalonil, propineb, mancozeb; hexaconazole 5 % ME, tebuconazole 12.5 % ME, and Amistar 25 % SC exhibited higher inhibitory activity againt R. cerealis infecting wheat seedings than carbendazim 50% WP, thiophate-methyl 70% WP, toclofos-methyl 20% EC, validmycin 5 % SP, Vitavax 200FF, Daconil 40 % SC, propiconazole 25 % EC, flusilazole 40 % EC, difenoconazolel0 % WP, and thiram 50% WP;Synergistic interaction exsited between thiram and hexaconazole, 1 ： 10 is the optimal ratio of mixing. 600- 1 200-fold suspension of 44% hexaconazole-thiram WP prepared at the optimal ratio didn＇t inhibit the growth of wheat and delay the emergence of wheat seedlings with wheat seeds soaked in suspension of 44 % hexaconazole-thiram WP or with the surface of soil sprayed by suspension of 44% hexaconazole-thiram WP.

关 键 词：杀菌剂 小麦纹枯病菌 毒力 增效作用 安全性 

分 类 号：S435.12[农业科学—农业昆虫与害虫防治]