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时间:2020-04-23
《湿度对田间自然热罩防治柑橘黄龙病的影响-论文.pdf》由会员上传分享,免费在线阅读,更多相关内容在应用文档-天天文库。
1、福建农业学报29(5):475~482,2014FujianJournalofAgriculturalSciences文章编号i1008—0384(2014)05—475—08林雄杰,范国成,胡菡青,等.湿度对田间自然热罩防治柑橘黄龙病的影响EJ].福建农业学报,2014,29(5):475—482.LINX—J,FANG—C,HUH—Q,eta1.TheEffectofHumidityonCitrusHuang1ongbingThermotherapyintheField[J].FujianJourn
2、alofAgriculturalSciences,2O14,29(5):475—482.湿度对田间自然热罩防治柑橘黄龙病的影响林雄杰,范国成,胡菡青,王贤达,YuluXia,蔡子坚,刘波。(1.福建省农业科学院果树研究所,福建福州350013;2.TheUnitedStatesDepartmentofAgriculture,AnimalandPlantHealthInspectionService,PlantProtectionandQuarantine,CenterforPlantHealthScie
3、nceandTechnology,Raleigh,NC27606,USA;3.福建省农业科学院,福建福州350003)摘要:比较加湿处理后热罩和自然条件下热罩对黄龙病的防治效果,结果表明自然条件处理后30d叶片平均病菌浓度下降了85以上,而加湿条件下叶片平均病菌浓度仅下降3.7,与自然条件处理间差异达到显著水平;自然条件热罩处理后90d叶片平均病菌浓度下降了97%以上,而加湿处理病树叶片平均病菌浓度下降了38,与自然条件处理间的差异达到极显著水平。对照组叶片平均病菌浓度处理后30d和90d均有略微增加;
4、加湿未热罩处理叶片平均病菌浓度在处理后30d和90d分别增加了4.5倍和8.7倍,但与对照组无显著差异。本研究结果表明加湿热罩处理病树显著减弱了其杀灭黄龙病菌效果,同时表明增加土壤湿度对黄龙病菌繁殖可能具有一定的促进作用。关键词:柑橘黄龙病;湿度;自然热罩;实时荧光定量PCR;影响中图分类号:S435文献标识码:ATheEffectofHumidityonCitrusHuanglOngbingThermotherapyintheFieldLINXiong-jie,FANGuo—cheng,HUHan—q
5、ing,WANGXian-da,XIAYu—lu,CAIZi—jian,LIUBo。(1.FruitResearchInstitute,FujianAcademyofAgriculturalSciences,Fuzhou,Fujian350013,China;2.TheUnitedStatesDepartmentofAgriculture,AnimalandPlantHealthInspectionService,PlantProtectionandQuarantine。CenterforPlantHe
6、althScienceandTechnology,Raleigh,NC27606,USA:3.FujianAcademyofAgriculturalSciences,Fuzhou,Fujian350003,China)Abstract:Citrushuanglongbing(HLB)isthemostdestructivediseaseofcitrus,andthereisnoeffectivecontrolagentatthepresent,butcontrolcitruspsyllid,excava
7、tionofdiseasedtrees.Inthispaper,weanalyzedtheeffectionofhumidityonCitrusHuanglongbingthermotherapyinthefield.Ourresultsshowedthat3OdnatureandmoistthermotherapydecreasetheaverageconcentrationofLasintheleavesby85and3.7.Furthermore,90dnatureandmoistthermoth
8、erapydecreasetheaverageconcentrationofLasintheleavesby97and38.Inthecontrast,theaverageconcentrationsofLasinleavesundercontrolwereslightlyincreasedafter30dand90dtreatments;30dand90dhumidificationwithoutsheetingincreasedthea
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