《植物病蟲害綠色防控技術》課件-柑橘煤煙?。p語）

柑橘病蟲害綠色防控柑橘煤煙病GreenPreventionandControlofCitrusDiseasesandPestsCitrusSootyMold柑橘煤煙病CitrusSootyMold葉片受害Leafhazard果實受害Harmtofruit病原物種類Typesofpathogens煤炱屬、刺盾炱屬、小煤炱屬Capnodium,ChaetothyriumsoinigreFum,Meliolabutleri同翅目害蟲的分泌物和排泄物引起Causedbysecretionsandexcretaofhomopteranpests純寄生菌Pureparasiticbacteria發(fā)生規(guī)律Occurrencelaw發(fā)病高峰期：主要集中在每年的5-9月份Peakincidenceperiod:mainlyfromMaytoSeptemberofeachyear8月中下旬，病菌侵害果實的關鍵時期。Mid-to-lateAugustisacriticalperiodforthepathogenstoharmthefruits.煤煙病“罪行”"Crimes"ofDarkmildew第一宗罪：影響光合作用

Affectphotosynthesis煤煙病“罪行”"Crimes"ofDarkmildew第二宗罪：削弱樹勢Weakentreevigor煤煙病“罪行”"Crimes"ofDarkmildew第三宗罪：降低果實商品性

Reducefruitcommodity紅蠟蚧CeroplastesrubensMaskell先治蟲，后防病Controlpestsbeforepreventingdiseases綜合防治Integratedcontrol1.農(nóng)業(yè)防治

Strengthenorchardmanagement（1）加強園區(qū)管理Strengthenorchardmanagement（2）做好清園工作Orchardclearing（3）合理平衡施肥Reasonableandbalancedfertilization綜合防治Integratedcontrol2.化學防治Chemicalcontrol（1）有效防治蟲害Effectivepestcontrol蚜蟲：應在春季萌芽期和開花前噴施化學藥劑進行防治Aphids:Chemicalsshouldbesprayedduringthegerminationperiodandbeforefloweringinspringforcontrol蚧殼蟲：應在5月中旬，整樹噴施2-3次化學藥劑，每次間隔7-10天左右噴施一次Scaleinsects:Chemicalsshouldbesprayed2-3timesonthewholeplantinmid-May,withanintervalofabout7-10dayseachtime粉虱：應在7-9月份，噴施化學藥劑防治。Whitefly:ChemicalsshouldbesprayedfromJulytoSeptember