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1、西北農(nóng)林科技大學(xué)碩士學(xué)位論文小麥高分子量麥谷蛋白亞基遺傳特性及與品質(zhì)關(guān)系的研究姓名:仝勝利申請(qǐng)學(xué)位級(jí)別:碩士專業(yè):作物遺傳育種指導(dǎo)教師:張改生高翔20040601StudyongeneticcharacterofHighMolecularWeightsubunitsandrelationshipbetweensubunitsandqualityinwheatA1bstrctThestuayselectedsevenparentswith

2、differentsubunitsandmadehybridity,selected150samplesvarietiesofHuangHuaiwheatareasByadoptingtheSDSPAGEtechnology,theresearchmadeamoresystemicanalysisonsubunitsofthemAtthesametime,thestudyanalyzedinheritanceofHighMolecula

3、rWeightGluteninSubunits(HMW_GS)“ofthehybridofsevenparents,determinedtheproteincontent,sedimentationvaluemadhardofthesamplevarifies;analyzedthesubunitsandtheirfrequencyofthesamplevarities;analyzedtheeffectofsubunitstotheq

4、ualityofthesamplevaritie;evaluatedtheHMWGSofthesamplevarifies;studiedtherelationhipbetweenthequalitymadtheHMWGSTheresultsiridicated:1AllHMWGSCanbetransmittedtothehybridFiasdominancefrombothparentsandasignificanteffectoff

5、emaleparentswasobservedinreciprocalFlhybrids2AsthereasonofN,theseparateratioofhybridsoftwovarifieswithdifferentGluAI(1andN)wasnot1:2:1,but3:1ThehybridityoftwovaritieswithdifferentAlandBI,A1andD1,B1andD1,D1andD1,hadnotthe

6、separateratio1:2:1Becausethelinkage,theseparateratiohadnolaw,buttheparentsandothersisnearlyto1:2:13ThesubunitsandcompositionofHMWGSofthesampievarifieswasabundantThesubunitscontrolledbyGIuA1,GIuB1andGluD1weredosedrelatedt

7、othequalitytraitsinwheat,Thesubunits1occurredmorefrequentlythanNatGluA1ThecontributionsofvariationinGluAltothequalitytraitsweredeterminedasINThesununit79occurredmorefrequentlyatGluBI,then78ThecontributionsofvariationinGl

8、uB1tothepriteincontentsweredeterminedas81718781319791415。tothesedimentationvalueas813197879141571718Thesubunit212occurredmorefrequentlythan510atGlu—D1ThecontributionsofvariationinGIuD1tothequalitytraitsweredeterminedas5I

9、O512212Itisestimatedthatwheatvarietiespossessingsumunit18or78,and510willbeexpectedforimprovingquality4CorrelationanalysisofHMWGSandqualityindicatedthatsubunit1,8,78,1718,510ispositivelYcorrelatedwithsedimentationvalue;Si

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