重庆万州柑桔轮斑病综合防控实践  

Integrated control practice of citrus target spot disease in Wanzhou,Chongqing

作　　者：刘凤娇 乔兴华 胡军华[1] 龙思羽 陈力 周彦[1] LIU Fengjiao;QIAO Xinghua;HU Junhua;LONG Siyu;CHEN Li;ZHOU Yan(Citrus Research Institute,Southwest University,Chongqing,400712,China;Plant Protection and Fruit Tree Technology Extension Station in Wanzhou District of Chongqing,Chongqing,404020,China)

机构地区：[1]西南大学柑桔研究所,重庆400712 [2]重庆市万州区经济作物发展中心,重庆404020

出　　处：《中国南方果树》2024年第4期55-60,共6页South China Fruits

摘　　要：柑桔轮斑病于2018年传入重庆万州并使当地尤力克柠檬产业损失惨重。为更好地防控柑桔轮斑病,助力柑桔产业健康发展,对重庆万州地区柑桔轮斑病发生历史及危害、流行成因以及症状识别进行了梳理,结合田间调查和室内药剂筛选结果总结了一套综合防控方案,并于2022—2023年在万州尤力克柠檬产区推广示范。示范区采用综合防控方案后,柑桔轮斑病发病率由2019—2021年的100%降至25.60%~41.23%,病情指数由50~60降至5.31~10.86,未发生大面积枯枝落叶和落果现象,保证了果园产量和果实品质不受影响,效果明显。Citrus target spot disease was introduced into Wanzhou,Chongqing in 2018,causing significant damage to the local Eureka lemon,resulting in heavy losses to the local lemon industry.To better control citrus target spot disease and promote the healthy development of the citrus industry,the occurrence history and harm,epidemic causes,and symptom identification of citrus target spot disease were summarized.A set of comprehensive control plans was summed up based on field monitoring and indoor pesticide screening experiments,which was demonstrated in Eureka lemon production area in Wanzhou District from 2022 to 2023.After the comprehensive prevention and control plan was adopted in the demonstration area,the incidence rate of citrus target spot disease dropped from 100%in 2019—2021 to 25.60%-41.23%,and the disease index dropped from 50-60 to 5.31-10.86.There was no defoliation or fruit drop in the large area of production,ensuring that the yield and fruit quality of the lemon production were not affected,with obvious control effects.

关 键 词：柑桔轮斑病 杀菌剂 防控实践 

分 类 号：S436.66[农业科学—农业昆虫与害虫防治]