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ID:20609319
大小:5.29 MB
页数:42页
时间:2018-10-14
《广西桑树线虫病害调查及桑根结线虫病的防治分析》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、werelessaffected.Agronomictraitsoftheresistantvarietiesmulberrya11affectedlessthanthesusceptiblevarietiesmulberry.Everyagronomictraitofmulberryinpotexperimentwasaffectedmorethaninyieldexperiment.ThecontroleffectofCadusafos、Fosthiazate、Phosphorusexceed70%inbothpotexperimentandyield
2、experiment,theothersabove50%.Theresidualpoisonofnematicidesfromlongtoshort:Chlorantranil、Fostbjazate、Verticilliumchlamydosporium,Carbosulfan,Chlorpyrifos、Abamectin?Phosphoru岱?Cadusafos、Emamecinbenzoate;therateofsilkwormno—cocoonedfromhightolowwas:Fosthiazate、Verticilliumchlamydosp
3、orium、Carbosulfan,Chlorpyrifos、Phosphorus?Cadusafos、Abamectin、Emamecinbenzoate.WerecommendO.5%Abamectingranulesusedasholefertilization4kg/acreintorootinneighboringmulberryleafharvesttime.5%Cadusafosgranularand10%Ethoprophosgranularusedasholefertilization3kg/acre,4kg/acre,separatel
4、y,whichshouldbeusedmorethanhalfamonthaheadtopickmulberryleaves.Afterconfirmnon—toxictosilkwormfedbyafewmulberryleaves,thelargeareawillbeused.However,2009/Lchlorantmniliprolesuspendingagent,10%Fosthiazategranular,250millionspores/gverticilliunmchlamydosporiummicrogranule,2009/LCarb
5、osulfanmissibleoiland40%DursbanmissibleoilarenotrecommendedKeyword:mulberry;nematodeinvestigation;Meloidogynebwogntia;resistanceidentification;chemicalcontrolV目录1.1概述⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..11.2桑种植区线虫的为害和主要种类⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..21.3广西桑蚕业发展现状以及线虫病害危害情况⋯⋯⋯⋯⋯
6、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..21.4根结线虫的发生规律及生物学特性⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..31.5线虫危害与桑树生长的关系⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..41.6桑树抗根结线虫种质资源筛选情况⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..41.7桑树根结线虫病的防治现状⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..51.8本研究的立题依据及目的意义⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一62材料与方法⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯72.1广西桑树根结线虫病危害情况调查及种类鉴定⋯⋯
7、⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..72.1.1样品的采集⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..72.1.2线虫的分离和保存⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯..82.1.3桑根际寄生线虫的鉴定与计数⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯82.2广西主栽品种桑的抗性评价⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.2.1桑种质资源的收集和育苗⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.2.2接种线虫种类和来源⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.2.3桑树接种南方根结线虫接种量
8、的筛选⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯⋯一92.2.4桑抗南方根
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