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《北疆地区打瓜镰刀菌根腐病药剂防治研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、新疆农业科学2013,5O(7):1271—1276XinjiangAgriculturalSciencesdoi:10.6048/j.issn.1001—4330.2013.07.014北疆地区打瓜镰刀菌根腐病药剂防治研究朱亚峰,李平,金玉华。,张莉(1.石河子大学农学l览/新疆绿洲农业病虫害治理与植保资源利用自治区普通高校重点实验室,新疆石河子8320032.新疆生产建设兵团农十师农业科学研究所,新疆北屯836000)摘要:【目的】打瓜根腐病是北疆地区打瓜上的重要病害,明确几种杀菌剂对打瓜根腐病的防治效果,为打瓜根腐病的有效防治奠定基础
2、。【方法】采用室内毒力测定、盆栽药效试验和小区药效试验,比较6种杀菌剂对打瓜根腐病的防治差异。【结果】室内毒力测定表明:乙蒜素对菌丝生长抑制效果最好,Ec∞值为31ms/L,其他依次为多菌灵、恶霉灵、苯甲·福美双、枯草芽孢杆菌、三氯异氰尿酸。盆栽试验表明:药剂灌根的防治效果比药剂拌种好,其中多菌灵灌根防治效果最好,防治效果为83.0%,其次是恶霉灵和苯甲·福美双,防治效果分别为64.4%和60.2%。小区试验表明:苯甲·福美双防治效果较好,平均防效为46.4%,其次是多菌灵和恶霉灵,平均防效分别为45.3%和45.1%。【结论】苯甲-福美双
3、、多菌灵和恶霉灵对打瓜根腐病有一定的防治效果。关键词:打瓜根腐病;茄病镰孢菌;药剂防治中图分类号:$436.429文献标识码:A文章编号:1001—4330(2013)07—1271—06StudyonFungicidesforControllingRootRotofSeedWatermeloninXinjiangZHUYa—feng,LIPing,JINYu—hua2,ZHANGli(1.CollegeofAgronomy,ShieheziUniversity/KeyLaboratoryofOasisAgriculturalDisease
4、andPestManagement,PlantProtectionandItsResourceUtilizationinXinjinag,ShiheziXinjiang832003,China;2.ResearchInstituteofAgriculturalSciencesofthelOthAgriculturalProductionDivision,XinjiangConstructionc0,BeitunXinjiang836ooO,China)Abstract:【Objective】Rootrotofseedwatermelon(F
5、usariumsolani)isamajordiseasetoseedwatermeloninXinjiang,thecontroleficacyofsixfungicidestorootrotwasstudied.Theobjectivewastomakesomecontributionstothecontrolofthedisease.【Method】Thecontroleficacyofsixbactericidestorootrotofseedwatermelonwithexperimentsofindoortoxicitytria
6、ls,pottedtrialsandfieldplottrialswerecompared.【Result】IndoortoxicitytrialsshowsthatethylicinisthemostefectivefungicideagainstthepathogenwithEC50of31mg/L,thenitisfollowedbyearbendazim,hymexazol,difenoconazole—thiram,bacillussubtilis,trichloroisocyanuricacid.Pottedtrialsshow
7、thatthecontroleficacyofirrigatingrootsisbetterthanseeddressing.Thecontrolefectsofcarbendazimisthehighest,theaveragecontroleficacyreachedto83.0%,followedbyhymexazolanddifenoconazole—thiram,withtheaveragecontroleficacyof64.4%and60.2%.Fieldplottrialsshowthatthecontrolefectsof
8、difenoconazole—thiramisthehighest.收稿13期:2013一O1-30基金项目:新疆生产建设兵团博士基金(2010JC07);石河子大学科研基金(Z
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