玉米除草劑藥效對比試驗研究
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摘 要:玉米苗期除草是減少病蟲基數(shù)的重要方法之一,本試驗通過對7種常用除草劑在玉米田進行雜草防除研究,結果表明:各處理除草劑在示范劑量內對玉米很安全,處理2、4防治成效較差,處理1、3、6、7防治成效均較好。綜合考慮防效成果和經(jīng)濟效益,建議應用28%煙嘧·莠去津可分散油懸浮劑90mL/667m2。
關鍵詞:玉米;除草劑;防除效果
中圖分類號:S482.4 文獻標識碼:A 文章編號:0488-5368(2024)09-0055-04
ComparativeStudyonEfficacyofHerbicidesinCornFields
DONGXiaomei1,LIUZhuzhu2,CHENYuhuan1,LIKang1,WANGXiaowei3,ZHAOHongbo4
(1.WeinanAgriculturalTechnologyExtensionCenter,Weinan,Shaanxi714000,China;2.LinweiDistrictAgriculturalTechnologyExtension
Center,Weinan,Shaanxi714000,China;3.TongguanCountyAgriculturalMechanizationDevelopmentCenter,Weinan,Shaanxi714300,China;
4.WeinanAgriculturalMachinerySafetyWorkstation,Weinan,Shaanxi714000,China)
Abstract:Weedcontrolduringtheseedlingstageofcornisoneofthekeymethodstoreducetheincidenceofpestsanddiseases.Thisstudyevaluatedtheefficacyofweedcontrolincornfieldsusingsevencommonlyappliedherbicides.Theresultsindicatedthatallherbicidetreatmentswithintherecommendeddosagesweresafeforcorn.Treatments2and4demonstratedlowercontrolefficacy,whiletreatments1,3,6,and7exhibitedhighercontrolefficacy.Consideringbothefficacyandeconomicbenefits,theapplicationof90mlper667m2of28%nicosulfuron-atrazinedispersibleoilsuspensionisrecommended.
Keywords:Corn;Herbicide;ControlEfficacy
玉米是世界三大糧食作物之一,是全世界總產(chǎn)量最高的農作物[1],也是重要的經(jīng)濟作物和飼料作物[2]。(剩余4255字)