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2 Key Laboratory for Model Innovation in Forage Production Efficiency, Ministry of Agriculture and Rural Affairs, Taigu, Shanxi Province 030801, China;
3 Youyu Loess Plateau Grassland Ecosystem National Research Station, Youyu, Shanxi Province 037200, China, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1309565374841053392, articleId=1309565374585200847, tenantId=1146029695717560320, journalId=1308397196074385509, language=CN, title=基于多元分析的野生赖草种质资源评价, columnId=1309565024058835950, journalTitle=草地学报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=赖草（Leymus secalinus）在改善我国北方草原生态环境、高产草地建设、草地改良和草原畜牧业高质量发展等方面扮演着重要角色。本研究以70份野生赖草种质资源为试验材料，基于19个考察性状，采用主成分分析法、灰色关联度法和基于距离的逼近理想解排序法（Distance-based technique for order preference by similarity to ideal solution ，DTOPSIS）进行了赖草种质资源遗传多样性的综合评价。结果表明：70份赖草种质资源19个考察性状指标的变异系数介于0.71%~97.20%之间，茎部性状的变异程度高于叶部，表型性状的变异程度高于品质性状；各性状指标间存在显著相关性，8个表型性状与纤维含量显著相关，株高、牧草产量与其相对饲喂价值极显著相关（P<0.01）；LS46和LS69在3种不同的综合评价方法中均表现较为优异。本研究可为培育丰产、优质的牧草提供种质材料基础。, authors=麻涛^1,2,3, 李伶伶^1,2,3, 侯向阳^1,2,3, authorsList=麻涛, 李伶伶, 侯向阳, authorCompany=1 山西农业大学草业学院, 山西 太谷 030801;
2 农业农村部饲草高效生产模式创新重点实验室, 山西 太谷 030801;
3 山西右玉黄土高原草地生态系统国家定位观测研究站, 山西 右玉 037200, correspAuthors=null, authorNote=麻涛（1999-），男，汉族，山西大同人，硕士，主要从事草地生态管理研究，E-mail:MT_16634253408@163.com, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=uGBkXyLVzByNiVDtBa92eg==, pdfFileSize=2817549, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=山西省重点研发计划“山西省乡土草抗逆资源基因挖掘及育种” (202102140601006))}, authors=[Author(id=1320569628011643740, tenantId=1146029695717560320, journalId=null, articleId=1309565374585200847, orderNo=null, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=null, email=null, emailSecond=null, emailThird=null, correspondingAuthor=null, authorType=null, ext={EN=AuthorExt(id=null, 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