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时间:2020-03-27
《不同品种油用向日葵盐碱地栽培适应性分析.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、内蒙古农业科技2014(5):1~4InnerMongoliaAgriculturalScienceAndTechnology不同品种油用向日葵盐碱地栽培适应性分析杨满红1,21331*445,融晓萍,张长生,王积军,贾利欣,马军成,王志功,张志军(1.内蒙古农业技术推广站,内蒙古呼和浩特010018;2.内蒙古农业大学,内蒙古呼和浩特010011;3.全国农业技术推广服务中心,北京100125;4.巴彦淖尔市农业技术推广站,内蒙古巴彦淖尔015000;5.包头市种子管理站,内蒙古包头014010)摘要:为明确不同油用
2、向日葵品种在河套灌区盐碱地的栽培适应性,收集国内外21个向日葵品种作为材料在灌区盐碱地进行栽培试验,采用主成分分析、聚类分析和逐步回归分析方法对主要农艺性状进行分析。结果表明:主成分分析中,生育天数、株高、茎粗、盘径4个因子的主成分特征值累计贡献率达91.23%,主成分归类当中第一类为单株个体因子,第二类为产量构成因子,第三类为单盘因子,第四类为生育期因子。聚类分析中,阀值为1280时,21个品种聚为三类,第一类含7个品种,总体表现为中晚熟、籽实黑色、茎秆粗壮、籽仁率70%以上、百粒重6g左右、盘径大;第二类含11个品
3、种,表现为早熟、矮秆、百粒重7g左右、叶片向上、茎粗、耐密植、籽仁率70%以上、籽粒黑色;第三类含3个品种,表现为早熟、矮秆、结实率高。逐步回归分析中茎粗、盘径、单盘粒数、单盘粒重、百粒重、籽仁率与产量有显著线性效应。关键词:盐碱地;油用向日葵;品种;栽培;适应性中图分类号:S565文献标识码:A10.3969/j.issn.1007-0907.2014.05.001文章编号:1007-0907(2014)05-0001-04AdaptabilityAnalysisofDifferentOilSunflowerVari
4、etiestoSaline-AlkaliSoilYANGMan-Hong1,2(1.InnerMongoliaAgriculturalTechnologyExtensionStation,Hohhot010018,China;2.InnerMongoliaAgriculturaluniversity,Hohhot010011,China)Abstract:Inordertoevaluatetheadaptabilityofdifferentoilsunflowervarietiestosaline-alkalisoil
5、inHeTaoareaofInnerMongolia,twentyonevarietiesofsunflowerfromdomesticandabroadwerechosentocultivateonsaline-alkaliintheirrigatedarea.Themainagronomictraitswereevaluatedbyprincipalcomponentanalysis,clusteranalysisandstepwiseregressionanalysis.Theresultsshowedthatt
6、hecumulativecontributionrateoffactorsofgrowthdays,plantheight,stemdiameter,headdiameter,theircomponentreached91.23%,andinprincipalcomponentsclassify,thefirstcategorywasindividualfactor,thesecondwasthefactorofyieldcomponent,thethirdwassingleheadfactor,thefourthwa
7、sgrowthperiodfactor.Intheclusteranalysis,whenthethresholdvaluewas1280,twentyoneofvarietiesweredividedintothreecategories,thefirstcategorycontained7varietieswiththeperformancesofmoderate-late-maturity,blackseeds,stronghaulm,largerdiscdiameter,andtherateofseedkern
8、elwasmorethan70%,the100-seedweightwas6g.Atotalof11varietiesbelongedtothesecondcategory,andtheperformancetraitwereearlymaturity,shortstem,leafupword,stemstocky,densepl
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