小麦新品种云麦112抗病基因检测及分子细胞学鉴定

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中图分类号：S512.1 文献标志码：A

Detectionandmolecularcytologicalidentificationofdisease resistancegenesofnewwheatvarietyYunmai112

TANGXiong，YINJian，YANGZhong-hui，TANGYao，LIShao-xiang，LIUKun， DINGMing-liang，YANGMu-jun，SHENXi-qiong，LIHong-sheng

（FoodCropsResearchJnstitute，YunnanAcademyofAgriculture Sciences，Kunming，Yunnan_650205，China）

Abstract：[Objective]Toconductdiseaseresistancegenedetectionandmolecularcytogeneticidenlificationofihe newwhcatvarietyYunmai112，clarifyitsresistancegenecompositionagainststriperustandpowderymildew，which couldprovidetbcoreticalbasisforpromotionofthevarietyandutilizationoftheresistancegenes.[Method]Usingthe newwheatvarictyYunmai112asthetestmaterial，ihisstudycombinedsedling-stageimoculationswithstripcrustor powderymildewraces（CYR23，CYR29，CYR31，CYR32，CYR33，CYR34andE26）withadult-plantstageinoculz tionsusingmixedracesforresistanceevaluationofYunmai112againststriperustandpowderymildew，employingNannong0686andMingxian169assusceptiblecontrols.Infectiontypes wererecordedas0-9grades.Molecularmarkertech？nologywasutilizedtodetctpowderymildewandstriperustreststaticegenesinYunmai112throughtheapplicationofcjtherCloselylinkedorgene-specificmoleulurmarkerslargetingpowderymildewundstriperustresis（ancegenes.Addi。（剩余21291字）