关键词:蜡质;纸质;蝴蝶兰;杂交 F1 代;性状分离中图分类号:S682.31　　文献标识号:A　　文章编号:1001 - 4942(2019)01 - 0022 - 06StudyonCharacterSegregationofF1HybridsfromYellowWaxVarietyPhalaenopsis‘C27’andPurplishRedPaperyVarietyPhalaenopsis‘31’ZhuJiao1 ,LüXiaohui1,WangJunfeng1 ,MaLei 1 ,LanChengyun 1 ,MiaoJun1 ,SunYang 1 ,ZhangJihua 2 ,HanWei 1(1.VegetablesandFlowersResearchInstitute,ShandongAcademyofAgriculturalSciences/ShandongProvincialKeyLaboratoryofVegetableBiology/ShandongBranchofNationalCenterforVegetableImprovement,Jinan250100,China;2QiLinFlowerLimitedCompanyofJinanCity,Jinan250100,China)Abstract　Inthestudy,Phalaenopsis‘C27’withpureyellowandwaxypetalsandPhalaenopsis‘31’withpurplishredandpaperypetalswerechosenasfemaleandmaleparents,andthesegregationlawsoftheplanttraitsandmainornamentalcharactersofF1 offspringwereanalyzed.TheresultsindicatedthattheF 1 offspringweredividedinto7groupsaccordingtotheflowercharacteristics.ExceptGroup6whichshoweddeeppurplishredwithhiddenstripes,theothergroupsshowedsignificantsegregationfeaturesofpetalbackgroundcolorstripes.Thevariationcoefficientsoftheornamentaltraitswereanalyzed,andtheresultsshowedthatthelengthofinflorescence,thenumbersofflowersandthelengthofpeduncleshadthelargestvariation,andthe othertraitswerebetweenorbelowtheirparents,showingmid-parentorrecessionaryheterosis.Bytheanalysisofthevariationcoefficientsofplanttraits,theplantheight,plantcrownwidthandleafnumbershowedlargervariationwhiletheothertraitsshowedlessvariation.Theresultsofthisstudycouldbeusedtoimprovetheornamentaltraitsofpaperredflowerbyutilizingtheadvantagesofwaxyyellowflowers,layfoundationsforbreedingexcellentsingleandnewlinesofPhalaenopsis,andprovideguidanceforbutterflyorchidbreedingandparentalselection.Keywords　Waxypetals;Paperypetals;Phalaenopsis;F1 offspring;Charactersegregation　　蝴蝶兰(Phalaenopsisspp.)为兰科蝴蝶兰属植物,其花型似蝶,色彩鲜艳,花期长久,是我国最流行的兰花种类之一 [1,2] 。