啶磺草胺的除草活性及应用研究

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关键词啶磺草胺；小麦；除草活性；安全性；施药条件

中图分类号S482.4文献标识码A

文章编号 0517-6611（2025）23-0136-05

doi：10. 3969/j. issn. 0517-6611. 2025. 23. 030

开放科学（资源服务）标识码（OSID）：

Study on Herbicide Activity and Application of Pyroxsulam

ZHAO Yi，CUIDong-liang，LU Zheng-mao etal（Shenyang Sinochem AgrochemicalsR&DCo.，Ld./NationalEnginering Research Center of Pesticides，Shenyang，Liaoning ）

Abstract[Objective]Inordertoclarifytheapplicationscopeandconditionsofpyroxsulam.Method]Theherbicidaleficacyof 7. 5% pyroxsulamatedspsibleteadeyosadtllcatigothl boratorybioasssandfieldtestsResultPyrosulamshowdhigiologicalactivitisagaistostwdsinwatfeldanddgooded killing activity against 2-4 leaf stage weeds.It was safe for spring and winter wheat at seedling and tilering stages.The inhibition rate of plant heightandfreshweightinspringweatwashighertantatinwinterheat，indicatingalowervelofherbicidesfetyforspringhatomparedwithwiterhatefeldtstesulssodtatpyosulamdgodcntroltonhinoocrusgali，etariidis ranthusrerofleus，romusjpoicusunblopeuusqualisoldescuiaoha.ocsionosuaadigctiiy gainstavarietyofeatwdsndassafeforsprngadwteratatsdlingndiligsags.Itidvisabletoplyesticie during the 2-4 leaf stage of the weeds. For sensitive spring wheat varieties，application should be used with caution.

KeywordsPyroxsulam;Wheat; Herbicide activity;Safety;Application condition

小麦是我国的第二大粮食作物，是全球面积最大、分布最广、营养价值最高的粮食作物之一[1]。（剩余7754字）