nxxb.caass.org.cn农学学报2023,13(3):30-34JournalofAgriculture不同氮肥运筹对国审弱筋小麦新品种‘皖西麦0638’产量及品质的影响李志坤，时萍，姜文武，胡风灵（六安市农业科学研究院，安徽六安237010）摘要：‘皖西麦0638’是六安市农业科学研究院选育的弱筋小麦新品种，为探究其适播区内高产栽培技术，为其大面积推广进行栽培技术指导，设置了8种氮肥运筹方式，24个小区进行试验。结果表明：采用施氮量为234kg/hm2、基追比为7:3:3、基肥+返青肥+拔节肥的氮肥运筹方式时，‘皖西麦0638’的株高过高，倒伏面积达到了50.00%；而施氮量为288kg/hm2、基追比为7:3:3:3、基肥+苗肥+返青肥+拔节肥的氮肥运筹方式会导致‘皖西麦0638’的倒伏比例高达81.67%，其籽粒品质也不符合弱筋小麦标准。采用施氮量180kg/hm2、基追比为7:3、基肥+返青肥的氮肥运筹方式，可以避免出现大面积倒伏，收获较高的产量，同时可以保证‘皖西麦0638’籽粒较好的弱筋品质。关键词：弱筋小麦；皖西麦0638；氮肥运筹；产量；品质中图分类号：S512.1+1文献标志码：A论文编号：cjsa2021-0064EffectsofDifferentNitrogenManagementonYieldandQualityofNewWeakGlutenWheatVariety‘Wanximai0638’LIZhikun,SHIPing,JIANGWenwu,HUFengling(Lu’anAcademyofAgriculturalSciences,Lu’an237010,Anhui,China)Abstract:‘Wanximai0638’isanewweakglutenwheatvarietybredbyLu’anAcademyofAgriculturalSciences.Toexplorethehigh-yieldcultivationtechniquesinthesuitablesowingareaandguidethecultivationofthevarietyforlarge-scalepromotion,theauthorssetup8kindsofnitrogenfertilizermanagementmethodsandcarriedoutexperimentsin24plots.Theresultsshowedthatunderthenitrogenapplicationrateof234kg/hm2,andbasal/topdressingratioof7:3:3forbasefertilizer+strikingrootfertilizer+jointingfertilizer,theplantheightof‘Wanximai0638’wastoohighandthelodgingareareached50.00%.Underthenitrogenapplicationrateof288kg/hm2,andthebasal/topdressingratioof7:3:3:3forbasefertilizer+seedlingfertilizer+strikingrootfertilizer+jointingfertilizer,thelodgingrateof‘Wanximai0638’was81.67%,andthegrainqualityof‘Wanximai0638’couldnotmeetthestandardofweakglutenwheat.Usingthenitrogenapplicationrateof180kg/hm2,andbasal/topdressingratioof7:3forbasalfertilizer+...
