《植物病虫害绿色防控技术》课件-柑橘潜叶蛾（双语）

柑橘病虫害绿色防控柑橘潜叶蛾GreenPreventionandControlofCitrusDiseasesandPestsCitrusLeafminer鬼画符？GhostTalisman?柑橘潜叶蛾Citrusleafminer为害特点Damagefeatures粪线Fecal

lines为害特点Damagefeatures叶片正面受害Damagingleavesinfront为害特点

Damagefeatures叶片背面受害Damagingleavesontheback为害特点Damagefeatures为害特点Damagefeatures为害嫩枝Damagingyoungshoots为害果实Damagingfruits外形特点Shapecharacteristics发生规律Occurrencelaw一年发生9-15代9-15generationsinoneyear世代重叠Generationoverlapping越冬虫态：幼虫、蛹Overwinteringstages:larvaeandpupae越冬场所：被害叶片Winteringposition:infestedleaves发生规律Occurrencelaw4月5月6月7月8月9月10月4月下旬至5月上旬幼虫开始危害LateApriltoearlyMayDamagescausedbylarvae7-9月发生盛期FullincidenceperiodfromJulytoSeptember10月后发生减少AfterOctoberDecreasingAprilMayJuneJulyAugustSeptemberOctober发生规律Occurrencelaw末龄幼虫蛀食到叶缘Lastinstarlarvaefeedonleafmargins发生规律的特点Characteristicsofincidenceregularity1.世代重叠，多以蛹在秋冬梢叶缘卷折内越冬。Overlappinggenerations.Mostofthemoverwinteraspupaeinthecurlingofleafmarginsofshootsinautumnandwinter.2.潜叶蛾发生的盛期若与柑橘夏、秋梢大量抽发相吻合，危害往往严重。Ifthepeakperiodofcitrusleafminerscoincideswithalargenumberofshootsofcitrusinsummerandautumn,thedamageisoftenserious.3.幼虫危害的伤口又利于溃疡病和螨类等病虫害的侵入危害。Woundsdamagedbylarvaearealsoconducivetotheinvasionofdiseasesandpestssuchasulcerandmites.预防为主，综合防治Preventionfirstwithintegratedcontrol1.农业防治Agriculturalcontrol（1）加强栽培管理

Strengthencultivationmanagement（2）做好冬季清园

CleantheorchardinWinter（3）抹芽控梢：尽量统一放梢

Budpickingandshootcontrol:uniformshooting预防为主，综合防治Preventionfirstwithintegratedcontrol2.生物防治Biologicalcontrol草蛉Chrysopaperla姬小蜂Eulophidae预防为主，综合防治Preventionfirstwithintegratedcontrol2.生物防治Biologicalcontrol苏云金杆菌Bacillusthuringiensis预防为主，综合防治Preventionfirstwithintegratedcontrol3.化学防治Chemicalcontrol成虫和低龄幼虫高峰期是药剂防治适期Thepeakperiodofimagoesandyounglarvaeisthemostappropriatedurationforchemicalcontrol.成虫的防治应在下午5~7点为宜Thecontrolmeasuresforimagoesshouldbetakenat5–7p.m.Toeliminateyounglarvaeinfiltratingtheleaves,itisadvisabletoapplypesticidesintheafternooninsteadofathigh-temperatureperiodsat