Genetic Analysis of Streaked and Abnormal Floret Mutant st-fon

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摘要 Adoublemutantwithstreakedleafandabnormalfloretwasfoundandtemporarilynamedstreakedleafandfloralorgannumbermutant(st-fon).Forthismutant,besideswhitestreakappearedonculm,leavesandpanicles,thenumberoffloralorgansincreasedandfloretscracked.Theextremephenotypewasthatseveralsmallfloretsgrewfromonefloretorbranchrachisinsmallfloretsextendedanddevelopedintopanicles.Byusingtransmissionelectronmicroscopetoobservetheultrastructureofwhitehistocytesofleavesattheseedlingstage,thewhitetissueswhichshowedabnormalplastids,lamellasandthylakoidscouldnotdevelopintonormalchloroplast,andthedevelopmentofchloroplastwasblockedattheearlygrowthstageofplastid.Scanningelectronmicroscopeandparaffinsectionwerealsousedtoobservethedevelopmentoffloralorgans,andtheresultsindicatedthatthedevelopmentoffloralmeristemwasoutoforderandunlimited,whereasinthetwistyleaves,vascularbundlesheathcellsgrewexcessively,orsomebubblycellsincreased.Geneticanalysescarriedoutbymeansofcrossandbackcrosswithfournormal-leaf-colormaterialsrevealedthatthemutantisofcytoplasminheritance.
机构地区 不详
出处 《水稻科学:英文版》 2013年4期
出版日期 2013年04月14日(中国期刊网平台首次上网日期,不代表论文的发表时间)
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