育种选择及环境条件对大豆株高及节数的影响-论文.pdf

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1、第33卷第1期大豆科学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中图分类号：$565．1文献标识码：A文章编号：1000-9841(2014)0143001-05育种选择及环境条件对大豆株高及节数的影响祁晓敏，任秀慧，毛婷婷，韩英鹏，李文滨，姜振峰(东北农业大学大豆生物学教育部重点实验室，东北农业大学农业部东北大豆生物学与遗传育种重点实验室，黑龙江哈尔滨150030)摘要：将黑龙江省1949～2010年审定的141份主栽大豆品种和3个重组自交系群体在不同地点进行种植，研究育种时期、种植年份、不同品种和种植地点

6、对大豆株高和节数的影响规律。结果表明：大豆株高和节数随育种年代表现为先降低后小幅升高然后再次降低的规律；不同种植年份的大豆株高差异显著，而节数差异不显著；不同品种问的大豆株高和节数差异也达到显著水平；基于3个RIL群体的2个种植地点研究结果表明不同种植地点的大豆株高和节数差异显著。关键词：大豆；株高；节数；育成时期Theagriculturalproductionhadincreasedbytheuseofersfocusedondecreasingplantheighttoincreasesoy—newtypesofcropsandnewfarmi

7、ngmethodsin1960’beanyield[引．Cooperresultedthatsoybeanyields，whichwasnamedasthegreenrevolution．Thechar-couldbeincreasedbyplantingdwarfsoybeanvarieties，acteristicofthisgreenrevolutionwasthebreedingandandreleasedthefirstsoybeanvarietyElfin1977andwidelycultivationofdwarfcropvarieti

8、essuchasdwarfotherfoursoybeanvarieties，Caome，Pixie，Spi