四川省天竺桂主要病虫害调查研究

摘要

为初步探究四川省内天竺桂的病虫害状况，以便有针对性地提出有效的防治方法，于2013—2015年分别对四川省宜宾、南充、广安、成都、广元等不同地区天竺桂病虫害进行了系统的调查。结果表明，在四川地区天竺桂上病害共6种，主要包括病原为田中新煤炱菌[Neoca pnodium tanakae（Shirai et Hara）Yamam]的煤污病，病原为胶孢炭疽菌[Colletotrichum gloeosporioides（Penz．）Sacc]的炭疽病、病原为枇杷壳二孢（Ascochyta eriobtryae）的叶斑病、病原为樟外担子菌（Exobasidium sawadae）的粉实病。虫害10种，以樟白轮蚧（Aulacaspis rosarum）、樟修尾蚜（Me-goura citricola）、叶瘿蚊（Dansinenuras sp．）、樟梢卷叶蛾（Adoxophyes orana）为优势种群。并根据病虫害类型提出了防治建议。%In order to explore the cause of the disease and the insects in Cinnamomum japonicum (C.japonicum) in Sichuan and to put forward effective prevention and cure methods from 2013 to 2015.The disease and pest insects of C.japonicum were investigated systematically in Yibin,Nanchong,Guangan,Chengdu and Guangyuan.The re-sults showed that 6 kinds of the visible diseases of C.japonicum.The main pathogens were Sooty blotch of Neoca pnodium tanakae(Shirai et Hara )Yamam,Anthracnose of Colletotrichum gloeosporioides (Penz.)Sacc,Leaf spot of Ascochyta eriobtryae and Powdery-fruit disease of Exobasidium sawadae.Meanwhile,10 species of pests were col-lected in C.japonicum.The dominant species were Aulacaspis yabuikei,Megoura citricola,Dansinenuras sp.and Ad-oxophyes orana.Some suggestions for preventing and treating the diseases in C.japonicum were put forward accord-ingly.