《植物病蟲害綠色防控技術(shù)》課件-柑橘潛葉蛾（雙語）

柑橘病蟲害綠色防控柑橘潛葉蛾GreenPreventionandControlofCitrusDiseasesandPestsCitrusLeafminer鬼畫符？GhostTalisman?柑橘潛葉蛾Citrusleafminer為害特點Damagefeatures糞線Fecal

lines為害特點Damagefeatures葉片正面受害Damagingleavesinfront為害特點

Damagefeatures葉片背面受害Damagingleavesontheback為害特點Damagefeatures為害特點Damagefeatures為害嫩枝Damagingyoungshoots為害果實Damagingfruits外形特點Shapecharacteristics發(fā)生規(guī)律Occurrencelaw一年發(fā)生9-15代9-15generationsinoneyear世代重疊Generationoverlapping越冬蟲態(tài)：幼蟲、蛹Overwinteringstages:larvaeandpupae越冬場所：被害葉片Winteringposition:infestedleaves發(fā)生規(guī)律Occurrencelaw4月5月6月7月8月9月10月4月下旬至5月上旬幼蟲開始危害LateApriltoearlyMayDamagescausedbylarvae7-9月發(fā)生盛期FullincidenceperiodfromJulytoSeptember10月后發(fā)生減少AfterOctoberDecreasingAprilMayJuneJulyAugustSeptemberOctober發(fā)生規(guī)律Occurrencelaw末齡幼蟲蛀食到葉緣Lastinstarlarvaefeedonleafmargins發(fā)生規(guī)律的特點Characteristicsofincidenceregularity1.世代重疊，多以蛹在秋冬梢葉緣卷折內(nèi)越冬。Overlappinggenerations.Mostofthemoverwinteraspupaeinthecurlingofleafmarginsofshootsinautumnandwinter.2.潛葉蛾發(fā)生的盛期若與柑橘夏、秋梢大量抽發(fā)相吻合，危害往往嚴重。Ifthepeakperiodofcitrusleafminerscoincideswithalargenumberofshootsofcitrusinsummerandautumn,thedamageisoftenserious.3.幼蟲危害的傷口又利于潰瘍病和螨類等病蟲害的侵入危害。Woundsdamagedbylarvaearealsoconducivetotheinvasionofdiseasesandpestssuchasulcerandmites.預防為主，綜合防治Preventionfirstwithintegratedcontrol1.農(nóng)業(yè)防治Agriculturalcontrol（1）加強栽培管理

Strengthencultivationmanagement（2）做好冬季清園

CleantheorchardinWinter（3）抹芽控梢：盡量統(tǒng)一放梢

Budpickingandshootcontrol:uniformshooting預防為主，綜合防治Preventionfirstwithintegratedcontrol2.生物防治Biologicalcontrol草蛉Chrysopaperla姬小蜂Eulophidae預防為主，綜合防治Preventionfirstwithintegratedcontrol2.生物防治Biologicalcontrol蘇云金桿菌Bacillusthuringiensis預防為主，綜合防治Preventionfirstwithintegratedcontrol3.化學防治Chemicalcontrol成蟲和低齡幼蟲高峰期是藥劑防治適期Thepeakperiodofimagoesandyounglarvaeisthemostappropriatedurationforchemicalcontrol.成蟲的防治應(yīng)在下午5~7點為宜Thecontrolmeasuresforimagoesshouldbetakenat5–7p.m.Toeliminateyounglarvaeinfiltratingtheleaves,itisadvisabletoapplypesticidesintheafternooninsteadofathigh-temperatureperiodsat