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1、中国水稻科学(ChinJRiceSci),２０１３,２７(５):５５３－５５８http://www．ricesci．cnDOI:１０．３９６９/ji．ssn．１００１Ｇ７２１６．２０１３．０４．０１４５５３水稻条纹叶枯病的抗性与籼粳分化的相关性范方军杨杰∗王军朱金燕李文奇仲维功(江苏省农业科学院粮食作物研究所,南京２１００１４;∗通讯联系人,EＧmail:yangjie１６９８＠hotmail．com)CorrelationBetweenRiceStripeResistanceandindicaＧjaponicaDifferentiationFANFan
2、gＧjun,YANGJie∗,WANGJun,ZHUJinＧyan,LIWenＧqi,ZHONGWeiＧgong(InstituteofFoodCrops,JiangsuAcademyofAgriculturalSciences,Nanjing２１００１４,China;∗Correspondingauthor,EＧmail:yangjie１６９８＠hotmailc．om)FANFangjun,YANGJie,WANGJun,etal．CorrelationbetweenricestriperesistanceandindicaＧjaponicadiffe
3、rentiaＧtion．ChinJRiceSci,２０１３,２７(５):５５３Ｇ５５８．Abstract:ThecorrelationbetweenresistancetoRicestripevirus(RSV)andindicaＧjaponicadifferentiationof１１９ricelandracevarietieswasanalyzedbyusingindicaＧjaponicadifferentiationindexesbasedontheInDelmolecularmarkersanalysis．FortyＧeightvarieties
4、classifiedintoindicatypeareresistanttoRSV,and７indicalandracesand１indicaclinouslandracearealsoresistanttoRSV;however,twointermediatelandracesaresusceptibletoRSV．Inaddition,fiftyＧninetypicaljaponicalandracesaresusceptibletoRSV．Thestatisticalanalysisindicatedthereexistedsignificantl
5、ynegativecorrelationbetweenestimatedindicagenefrequencyandtheRSVdiseaseincidence．TheseresultsshowthatthelandＧracesharboringmoreindicagenearemoreresistanttoRSVdiseaseandtypicaljaponicalandracesallshowsusceptibilitytoRSV．Therefore,itwasspeculatedthattheRSVresistancegeneoriginatedfr
6、omindicavarieties．Keywords:ricestripevirusdisease;indicaＧjaponicadifferentiation;indicagenefrequency范方军,杨杰,王军,等．水稻条纹叶枯病的抗性与籼Ｇ粳分化的相关性．中国水稻科学,２０１３,２７(５):５５３Ｇ５５８．摘要:利用国内外的１１９份地方水稻品种资源材料通过InDel分子指数法分析水稻条纹叶枯病的抗性与籼粳分化的关系.在１１９份水稻品种中４８份典型籼稻,其中４７份抗水稻条纹叶枯病;７份籼稻和１份偏籼的水稻品种,也都抗条纹叶枯病;２份中间型的水稻品
7、种,不抗条纹叶枯病;２份粳型的水稻品种,抗条纹叶枯病;５９份典型粳稻品种,都不抗水稻条纹叶枯病.相关性分析表明籼型基因频率与水稻条纹叶枯病发病率呈极显著负相关.这些结果表明携带籼型基因频率越高的水稻材料,对水稻条纹叶枯病的抗性越强,而典型粳稻都表现为感病,推测水稻条纹枯病抗病基因可能起源于籼稻.关键词:水稻条纹叶枯病;籼粳分化;籼型基因频率中图分类号:S４３５?１１１?４＋２;S５１１?０２３文献标识码:A文章编号:１００１Ｇ７２１６(２０１３)０５Ｇ０５５３Ｇ０６水稻是世界重要的粮食作物,也是中国第一大淮流域的危害得到了有效控制.[１]粮食作物.水稻条
8、纹叶枯病是近年来危害江淮流在水稻条纹叶枯病的抗性资源鉴定、抗性遗传域水稻生产的主
