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1、中国水稻科学(ChinJRiceSci),２０１５,２９(１):２８－３４http://www．ricesci．cn２８DOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１５．０１．００４云南哈尼梯田当前栽培水稻遗传多样性及群体结构分析刘承晨１,２赵富伟３吴晓霞２张昌泉１朱孔志１薛达元３武建勇３黄绍文４徐小颖２金银根２,∗刘巧泉１,２,∗(１扬州大学江苏省作物遗传生理国家重点实验室培育建设点/粮食作物现代产业技术协同创新中心,江苏扬州２２５００９;２扬州大学生物科学与技术学院,江苏扬州２２５００９;３环境保护部南京环境
2、科学研究所,南京２１００４２;４云南红河学院,云南蒙自６６１１００;∗通讯联系人,EＧmail:qqliu＠yzu．edu．cn)GeneticDiversityandPopulationStructureAnalysisofCurrentlyCultivatedRiceLandracesfromHani’sTerracedFieldsinYunnanProvinceLIUChengＧchen１,２,ZHAOFuＧwei３,WUXiaoＧxia２,ZHANGChangＧquan１,ZHUKongＧzhi１,XUEDaＧyuan３,
3、WUJianＧyong３,HUANGShaoＧwen４,XUXiaoＧying２,JINYinＧgen２,∗,LIUQiaoＧquan１,２,∗(１JiangsuKeyLaboratoryofCropGeneticsandPhysiology/CoＧInnovationCenterforModernProductionTechnologyofGrainCrops,Yangzhou２２５００９,China;２CollegeofBiologicalScienceandTechnology,YangzhouUniversity,Yang
4、zhou２２５００９,China;３NanjingInstituteofEnvironmentalSciencesofMEP,Nanjing２１００４２,China;４YunnanHongheUniversity,Mengzi６６１１００,China;∗Correspondingauthor,EＧmail:qqliu＠yzue．duc．n)LIUChengchen,ZHAOFuwei,WUXiaoxia,etal．Geneticdiversityandpopulationstructureanalysisofcurrentlycu
5、ltivatedricelandracesfromHani’sTerracedFieldsinYunnanProvincemoleal．ChinJRiceSci,２０１５,２９(１):２８Ｇ３４．Abstract:InordertoprovideusefulinformationforprotectionandutilizationofricelandracesfromHani’sTerracedFields,thegeneticdiversityandpopulationstructureofthecurrentlycultiv
6、atedlinesweredeterminedbyusingmolecularmakers．Inthisstudy,１１８SSRmarkerswereusedtodetectthepolymorphismof４７localricematerials,andtheirgeneticdiversityandpopulationstructurewereanalyzed．Therewereatotalof２５５alleles,rangingfrom２to４perlocus,withthemeanof２．１６１．Geneticdivers
7、ityindexvariedfrom０．０４３to０．６５６withanaverageof０．３０３．Thepolymorphicinformationcontent(PIC)rangedfrom０．０４２to０．５８３withtheaverageof０．２５６．Therearetwohighlypolymorphicloci(PIC＞０．５)and６６moderatelypolymorphicloci(０．２５＜PIC＜０．５)．Allthelandracescouldbedividedintotwogroups,partial
8、indicagroupandpartialjaponicagroup,basedonthegeneticsimilaritycoefficientandmathematicalmodelofpopulationstructure．Therewasn
