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《水稻紫葉性狀遺傳和基因定位的.研究》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、reIatedtotheirgeneticbackgrounds．Itwasconcludedthattheinhel．itancemodeIofthepurplepigmentwasplplIplIplCiCi．2．ThepurplegeneandcontrolgeneweremappedintheBCF2populationofXianhongAandGuanghuil28fbundbyusingSSRmolecularmarkers-Theresultshowedasf．oUows：thepurplegenewasnankedbySSRmarl【ers
2、I己M587andRM584Ontheshortarmofchromosome6、訂thageneticdistanceof3．1cMand2．2cM，respectiVely；whnethepurplecontrolgenewasnankedbyRM9andRM488onthelongarmofchmmosomel而thadistanceof1．2cMand0．8cM，nspectiVely．Thetwopairsofgenesweretentativebnamedp^andZp，1．3．Studiesonphysiologicalindexesoflea
3、fphotosynthesisandaginginthelatestageOfgrowthOfpurpleleafedmalesterilelineanditsFlhybridsweredoneandshowedthatthechlorophyUscontents，photosyntheticrate，solubleproteinandactivi夠ofSoDofnagleafinthelategrowthstageofpurpleleafedmalesterilelinesXiahongA，ZhihongAandGuizhi-1Swerehighertha
4、nthecontroIsBoAandGD—lS，whneMDAcontentandactivi夠ofPoDwe他lowerthanthecontrols．Thechlorophyncontents，photosyntheticrate，solubleproteincontent，MDAcontent，activityofSoDandPoDinthenagleafduringthelategrowthstageofFlhybridsbyuseofpurpleleafedmalester訂elinesweresimiIartothoseofCKBoyou253，
5、notsignificantlydif＆rent．AUtheresultsshowedthattheleaff．unctionofpurpleIeafedmalesterilelinesXianhongA，ZhihongA，Guizhi-1SandtheirFlhybridsisnormalwithgoodphotosynthesis，noearlyaging，andtheI．eisnonegatiVeeffectontheagn口nomictraitsandyieldofIRl552andderiVedmalesterileHnesandFlhybrids
6、．Itisagooddonorofpurpleleafmarkf-orricebI．eedingpracticeandhasimportantusevalue．4．Throughhybridizationbetweenpurpleleal．edIRl552anddif五e(cuò)rentindicathree-linesterilemaintaine聃，two—Knesterilelines，theidealpurpIeleafmarkwasintroducedintothree-Uneandt．w’o—linemalesterilelines．Theresults
7、showedthatthepurpleIeafcharacternotonlycouIdbeintroducedintoindica鑼peofthreeandtwolinessteriIeHnes，butalsocouldbeusedtOdeVelopbreedinggoals’purpleleaf．edthreeand抑olinessterilelines硝thgoodt1．a(chǎn)nsferringresults．Sof．a(chǎn)r6Vepurpleleaf．edVthI．eeandtwolinesterileUneshaVebeendeVeloped，amongw
8、hichboth)【ianhongAandZhiho
