江华县柑橘黄龙病发生特点及防控对策

摘要

2008年以来，江华瑶族自治县大力发展柑橘产业，现已形成3334 hm2的规模，但柑橘黄龙病却成为柑橘进一步发展的制约因素。对近年来江华瑶族自治县柑橘黄龙病发生情况、症状特点及其发生的影响因素进行了认真分析，并提出了详细的防控对策，即加强检疫，培育无病苗木，挖除病树，减少病菌来源，防治柑橘木虱，消灭传播媒介，加强果园管理，培育健壮树势。%Since 2008, citrus industry developed speedily in Jiang Hua Yao Autonomous County. While citrus planting area extended to 3 334 hm2, citrus Huanglongbing became a constraint to further development. By analyzing the occurrence condition, symptoms of citrus Huanglongbing and its inlfuencing factors, some control measures were proposed, including imposing strict quarantine, cultivating disease-free seedling, controlling citrus psyllid timely, strengthening the management of orchard, and cultivateing strong tree.