柑橘黑点病的发病规律和防治

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1、浙江农业学报ActaAgriculturaeZhejiangensis，2012，24(4):647－653http://www．zjnyxb．cn姜丽英，徐法三，黄振东，等．柑橘黑点病的发病规律和防治［J］．浙江农业学报，2012，24(4):647－653．柑橘黑点病的发病规律和防治223111，*姜丽英，徐法三，黄振东，黄峰，陈国庆，李红叶123(浙江大学生物技术研究所，浙江杭州310029;浙江衢州市农业局，浙江衢州324000;浙江省柑橘研究所，浙江黄岩317400)摘要:近年来，柑橘黑点病(Diaporthecitri)在浙江、江西等柑橘产区普

2、遍发生，逐渐成为柑橘最主要病害之一，严重影响鲜销果实的外观品质和销售价格。2008年以来，通过对该病的症状、发生规律和防治技术开展研究发现，果实整个生长期都能感病，但以果实膨大期最感病;黑点病的严重度与树龄、施肥水平和杀菌剂的使用次数关系密切;以座果后每隔20d使用保护性杀菌剂代森锰锌防治效果较好，代森锰锌中添加0.25%～0.50%矿物油(绿颖)能有效地提高其防效。文章同时结合国内外相关研究，对黑点病症状、病原、发生规律和防治技术作了较为详尽的综述。关键词:柑橘黑点病;症状;发病因素;防治技术中图分类号:S436.66文献标志码:A文章编号:1004－1

3、524(2012)04－0647－07OccurrenceandcontrolofcitrusmelanosecausedbyDiaporthecitri223111，*JIANGLi-ying，XUFa-san，HUANGZhen-dong，HUANGFeng，CHENGuo-qing，LIHong-ye12(InstituteofBiotechnology，ZhejiangUniversity，Hangzhou310058，China;AgriculturalBureauofQuzhouCity，3Quzhou324000，China;CitrusRe

4、searchInstituteofZhejiang，Huangyan317400，China)Abstract:Melanose，causedbyDiaporthecitri，hasbecomeaseriousdiseaseoncitrusfruitsincitrus-growingregionofZhejiang，Jiangxiprovincesetc．Itdeterioratesexteriorqualityandbringsdownsalepriceofcitrusfruitsforfreshmarketing．Wehavebeeninvolvedi

5、ntheinvestigationofthesymptoms，prevalenceandcontrolmethodsofthisdis-easesince2008．Itwasdemonstratedthatcitrusfruitsaresusceptibletothisdiseaseinwholedevelopmentalstage，andespeciallysusceptibleduringtheenlargingstage．Theorderofmelanoseseveritywascloselyassociatedwithcit-rusage，time

6、soffertilizationandfungicideapplication．Thebestcontrolefficiencycouldbeobtainedbyapplicationofprotectivefungicidessuchasmancozeb(followedtheinstructionofmanufactory)20daysintervalafterfruit-set-ting．Superiorefficiencywouldbeevenachievedwhen0.25%to0.5%mineraloil(SKsprayoil)wasmixed

7、withmancozeb．Inter-andintranationalinformationregardingthesymptoms，characteristicsofpathogen，epidemicfactorsanddiseasecontrolofmelanosewaselaboratelyintegratedinthispaper．Keywords:citrusmelanose;symptoms;epidemicfactors;diseasecontrol柑橘黑点病(citrusmelanose)也称沙皮病生，严重影响鲜销果实的外观品质和销售价［1

8、］(sandpaperrust)，是柑橘上的一种重要的真菌性格。2