2015届分类号：单位代码：10452毕业论文观赏草坪主要病害发生特点及综合控制对策姓名学号201112860222年级2011级专业园林系（院）生命科学学院指导教师二〇一四年十二月观赏草坪主要病害发生特点及综合控制对策Ornamentalgrassmaindiseaseepidemiccharacteristicsandthecomprehensivecontrolcountermeasures姓名专业园林指导教师临沂大学二〇一四年四月摘要观赏草坪集观赏，降尘，及美化生活空间与一体，多用于居住区，公园，街路，广场等，要求草坪细密，色绿，绿期长。草种有早熟禾，黑麦草，狗牙根，高羊茅，翦股颖等。但因我国草坪业相对起步较晚，大量从国外引种调种、不完善的栽培措施以及粗放的植后管理，再加上国内某些地区不适宜的气候条件，使得许多由真菌、细菌、病毒、线虫、植原体等病原物引起的观赏草坪病虫害广泛发生，从而严重影响草坪的整体观赏价值，降低了草坪质量和可用年限。为了探明观赏草坪病虫害发生的主要类型，危害特征及发生规律，在查阅大量关于草坪病害文献的基础上，采用普查与重点调查相结合的方法，对常见的几种观赏草坪病害的发生规律作了详细的介绍，并提出了相应的防治方法和措施，为观赏草坪的建植和养护提供了参考。关键词：观赏草坪病害类型；发生特点；综合防治ABSTRATOrnamentalgrasssetviewing,dust,andbeautifythelivingspaceandintegration,moreusedinresidentialareas,parks,streetroad,square.requiresthelawnclose,colorgreen,greenperiodislong.GrasshasaKentuckybluegrass,PoaannuaL.LoliumperenneL.LinnPers.FestucaelataKengexE.AlexeevAgrostismatsumuraeHack.exHondaetc.ext.Butbecausethelawnindustrystartedrelativelylateinourcountry,introducedfromabroadalargenumberofspecies,imperfectculturalpracticesandextensivemanagementafterplanting,coupledwiththedomesticsomeareasnotsuitableclimaticconditions,manybyfungi,bacteria,viruses,nematodes,theoriginalbodycausedbypathogenssuchasornamentallawnplantdiseasesandinsectpestsoccurextensively,whichseriouslyaffectsthelawnoverallornamentalvalue,reducesthefixednumberofyearoftheturfqualityandavailable.Tofindoutthemaintypesoftheornamentallawndiseasesandinsectpestsoccurrence,damagecharacteristicsandoccurrenceregularity,onthebasisofconsultingalargenumberofliteratureaboutlawndiseases,adoptthemethodofsurveycombinedwithafocusoninvestigation,theoccurrencerulesofseveralcommonornamentallawndiseasesonhasmadethedetailedintroduction,andproposedthecorrespondingcontrolmethodsandmeasures,toseethelawnplantingandmaintenanceprovideareference.Keyword:Ornamentallawndiseasestypes;Thecharacteristic;Comprehensivepreventionandcontrolof目录TOC\o"1-3"\t"引言,1,一,2,二,2,