优良食味水稻新品种宁香粳9号在苏州地区的引种示范试验仲开泰朱正斌沈雪林(苏州市种子管理站,江苏苏州215129)摘要引进和推广优良食味水稻品种对稳定粮食生产面积、丰富品种结构、增加农民收入意义重大。宁香粳9号是南京农业大学水稻研究所育成的早熟晚粳稻新品种,2020年通过江苏省农作物品种审定委员会审定,该品种具有熟期早、株型紧凑、穗层整齐、后期熟相好、丰产性好等优点。本研究以宁香粳9号为试验材料,以苏州地区为主,开展了宁香粳9号生长特性、产量及其构成因素以及抗性表现试验,综合评价该品种的区域适宜性。结果表明,宁香粳9号在苏州地区种植,株高在89.4~106.0cm之间,全生育期在145~164d之间,产量在8145.0~10923.0kg/hm2之间,丰产性较好,抗倒伏能力强,抗病性强,具有巨大的生产价值,值得推广应用。关键词水稻;宁香粳9号;产量;株高;全生育期;病害表现;江苏苏州中图分类号S511文献标识码A文章编号1007-5739(2023)07-0001-04DOI:10.3969/j.issn.1007-5739.2023.07.001开放科学(资源服务)标识码(OSID):DemonstrationTestofaNewHigh-qualityEdibleRiceVarietyNingxianggeng9IntroducedinSuzhouAreaZHONGKaitaiZHUZhengbinSHENXuelin(SuzhouSeedManagementStation,SuzhouJiangsu215129)AbstractTheintroductionandpopularizationofhigh-qualityediblericevarietiesareofgreatsignificancetostabilizethegrainproductionarea,enrichthevarietystructureandincreasefarmers'income.Ningxianggeng9isanewearlymaturinglatejaponicaricevarietybredbytheRiceResearchInstituteofNanjingAgriculturalUniversityandapprovedbyJiangsuCropVarietyApprovalCommitteein2020.Ithastheadvantagesofearlymaturity,compactplanttype,neatpaniclelayer,goodlatematuringphase,goodyieldandsoon.Inthisstudy,Ningxiangjing9wasusedastestmaterial,andthegrowthcharacteristics,yield,yieldcomponentsandresistanceperformanceofNingxiangjing9weremainlytestedinSuzhouarea,soastocomprehensivelyevaluatetheregionalsuitabilityofthisvariety.TheresultsshowedthattheaverageplantheightofNingxianggeng9wasbetween89.4cmand106.0cm,thewholegrowthperiodwas145-164days,theaverageyieldreached8145.0-10923.0kg/hm2inSuzhouarea.Ithadahighyield,stronglodgingresistanceandstrongdiseaseresistance,showingthegreatproductio...