现代农业科技2023年第7期园艺学航天诱变广东紫珠SP1代选育研究潜伟平1文丽华2刘会萍3王丽敏4彭辉武1*（1萍乡市林业科学研究所，江西萍乡337000；2萍乡市五峰林场，江西萍乡337000；3萍乡市林业发展服务中心，江西萍乡337000；4萍乡市林业资源监测中心，江西萍乡337000）摘要广东紫珠是江西省道地森林药材，在萍乡市已有多年的种植历史。本研究以“神舟八号”飞船搭载的广东紫珠种子为试验材料，以株高、地径和形态特征变异为选育目标，通过筛选SP1代变异单株进行广东紫珠新种质选育。结果表明：广东紫珠SP1代群体株高、地径生长量变异均大于对照（低温储藏种子）群体；从SP1代群体中选育出4个变异株，可为后续研究提供选育方向。关键词广东紫珠；航天诱变；突变性状中图分类号S567文献标识码A文章编号1007-5739（2023）07-0066-03DOI：10.3969/j.issn.1007-5739.2023.07.019开放科学（资源服务）标识码（OSID）：StudyonSelectionofSP1GenerationofCallicarpakwangtungensisbySpaceMutationQIANWeiping1WENLihua2LIUHuiping3WANGLimin4PENGHuiwu1*(1PingxiangForestryResearchInstitute,PingxiangJiangxi337000;2WufengForestFarm,PingxiangCity,PingxiangJiangxi337000;3PingxiangForestryDevelopmentServiceCenter,PingxiangJiangxi337000;4PingxiangForestryResourcesMonitoringCenter,PingxiangJiangxi337000)AbstractCallicarpakwangtungensisisagenuineforestmedicinalmaterialinJiangxiProvince,whichhasbeenplantedinPingxiangformanyyears.Inthisstudy,theseedsofCallicarpakwangtungensiscarriedby"Shenzhou8"spacecraftwereusedasexperimentalmaterials,andtheplantheight,grounddiameterandmorphologicalcharacteristicsvariationwereselectedasbreedingobjectives,andthenewgermplasmselectionofCallicarpakwangtungensiswascarriedoutbyscreeningtheSP1generationvariationsingleplant.TheresultsshowedthatthevariationsofplantheightandgrounddiametergrowthoftheSP1populationofCallicarpakwangtungensisweregreaterthanthoseofthecontrol(seedsstoredatlowtemperature)population.FourmutantswereselectedfromthepopulationofSP1generation,whichcouldprovidebreedingdirectionforfutureresearch.KeywordsCallicarpakwangtungensis;spacemutation;mutantcharacteristic广东紫珠（CallicarpakwangtungensisChun）属马鞭草科紫珠属...
