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1、第33卷第1期大豆科學(xué)V01．33No．12014芷2月S0YBEANSCIENCEFeb．2014EfectofBreedingSelectionandEnvironmentalFactorsonPlantHeightandNodeNumberinSoybeanQIXiao—min，RENXiu—hui，MAOTing—ting，HANring—peng，LIWen—bin，JIANGZhen—feng(KeyLaboratoryofSoybeanBiologyinChineseMinistryofEducation，KeyLaboratoryof
2、SoybeanBiologyandBreeding／GeneticsofChineseAgricultureMinistry，NortheastAgricuhuralUnivemity，Harbin150030，China)Abstract：Toanalyzetheeffectofbreedingselectiononplantheightandnodenumberinsoybean，141soybeanpopularvarie—tiescultivatedfrom1949to2010，aswellasthreeRILpopulationswereo
3、bserved．The141soybeanlinesweredividedintosixgroupsandwereplantedin2010and2011inHarbin；whilethreeRILpopulationswereplantedinHulanandHarbinin2012．Plantheightandnodenumberdeclinedfrom1950’sto1970’s，andincreasedin1980’s，thendeclinedfrom1980’sto2010’s．Therewassignificantdifferencein
4、plantheightbetweendiferentplantingyearswhilenotinnodenumber．Plantheightandnodenumbervariedsignificantlybetweensoybeanvarietiesreleasedindiferentbreedingstages．Moreover，significantdiffer-eneecouldbeseenfromplantheightandnodenumberbetweentwoplantinglocationsinthreeRILpopulations．
5、Keywords：Soybean；Plantheight；Nodenumber；Breedingstage中圖分類號：$565．1文獻(xiàn)標(biāo)識碼：A文章編號：1000-9841(2014)0143001-05育種選擇及環(huán)境條件對大豆株高及節(jié)數(shù)的影響祁曉敏，任秀慧，毛婷婷，韓英鵬，李文濱，姜振峰(東北農(nóng)業(yè)大學(xué)大豆生物學(xué)教育部重點實驗室，東北農(nóng)業(yè)大學(xué)農(nóng)業(yè)部東北大豆生物學(xué)與遺傳育種重點實驗室，黑龍江哈爾濱150030)摘要：將黑龍江省1949～2010年審定的141份主栽大豆品種和3個重組自交系群體在不同地點進(jìn)行種植，研究育種時期、種植年份、不同品種和種植地點
6、對大豆株高和節(jié)數(shù)的影響規(guī)律。結(jié)果表明：大豆株高和節(jié)數(shù)隨育種年代表現(xiàn)為先降低后小幅升高然后再次降低的規(guī)律；不同種植年份的大豆株高差異顯著，而節(jié)數(shù)差異不顯著；不同品種問的大豆株高和節(jié)數(shù)差異也達(dá)到顯著水平；基于3個RIL群體的2個種植地點研究結(jié)果表明不同種植地點的大豆株高和節(jié)數(shù)差異顯著。關(guān)鍵詞：大豆；株高；節(jié)數(shù)；育成時期Theagriculturalproductionhadincreasedbytheuseofersfocusedondecreasingplantheighttoincreasesoy—newtypesofcropsandnewfarmi
7、ngmethodsin1960’beanyield[引．Cooperresultedthatsoybeanyields，whichwasnamedasthegreenrevolution．Thechar-couldbeincreasedbyplantingdwarfsoybeanvarieties，acteristicofthisgreenrevolutionwasthebreedingandandreleasedthefirstsoybeanvarietyElfin1977andwidelycultivationofdwarfcropvarieti
8、essuchasdwarfotherfoursoybeanvarieties，Caome，Pixie，Spi
