果树药害症状及预防技术

中图分类号：S436.6 文献标识码：A

Symptoms and Prevention Techniques of Pesticide Damage in Fruit Trees

LI Hua （Forestry Development Service Center of Caoxian County，handong Province，Caoxian Shandong 27440o，China

Abstract：Typical symptoms of pesticide damage in fruit treeorgans，includingbuds，flowers，fruits，leaves，and branches，areanalyzed，with manifestations such asbud necrosis，flower and fruit drop，leaf scorching，fruit rust spots，and branch browning.Keycausativefactors areidentifiedbasedonpractical production，including inappropriate pesticideselection， substandardformulationquality，excesiveconcentration，irationalmixing，environmental stress，andherbicidedrift.Inte grated preventionstrategiesareproposed，encompasing precisepesticideselection，standardizedapplication，scientificmiing， andenvironmental regulation.Emergency remediationmeasures—suchas foliar rinsing，neutralizationand detoxification，nutrientsuppementation，trunk injection，and moderatepruningaretailored todiferenttypesof pesticidedamage，providing theoretical and technical support for orchard management.

Keywords：fruit trees；pesticide phytotoxicity; symptom identification;prevention techniques；emergency remediation

在果树生产过程中，由于农药及叶面肥使用不当而引发的药害问题频发，常被误诊为侵染性病害。（剩余2962字）