摘要
分析了果树药害在芽、花、果、叶、枝等器官的典型症状,包括僵芽枯死、落花落果、叶部斑枯、果实锈斑及枝干褐变等。结合生产实际,明确了农药品种选择不当、制剂质量缺陷、使用浓度超标、混配不合理、环境胁迫及除草剂漂移等主要致害因子。在此基础上,提出了精准选药、规范施药、科学混配、环境调控等综合防控策略,并针对不同药害类型制定了叶面清洗、中和解毒、营养补充、树干注液及适度修剪等应急修复措施,为果园药害防控提供了理论依据和技术支撑。
Typical symptoms of pesticide damage in fruit tree organs,including buds,flowers,fruits,leaves,and branches,are analyzed,with manifestations such as bud necrosis,flower and fruit drop,leaf scorching,fruit rust spots,and branch browning.Key causative factors are identified based on practical production,including inappropriate pesticide selection,substandard formulation quality,excessive concentration,irrational mixing,environmental stress,and herbicide drift.Integrated prevention strategies are proposed,encompassing precise pesticide selection,standardized application,scientific mixing,and environmental regulation.Emergency remediation measures—such as foliar rinsing,neutralization and detoxification,nutrient supplementation,trunk injection,and moderate pruning—are tailored to different types of pesticide damage,providing theoretical and technical support for orchard management.
作者
李华
LI Hua(Forestry Development Service Center of Caoxian County,handong Province,Caoxian Shandong 274400,China)
出处
《果树资源学报》
2025年第5期87-89,共3页
Journal of Fruit Resources
关键词
果树
农药药害
症状识别
防控技术
应急修复
fruit trees
pesticide phytotoxicity
symptom identification
prevention techniques
emergency remediation
