Article(id=1305135986564943980, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305135949499884251, articleNumber=null, orderNo=null, doi=10.7606/j.issn.1009-1041.2026.06.07, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1759420800000, receivedDateStr=2025-10-03, revisedDate=1762790400000, revisedDateStr=2025-11-11, acceptedDate=null, acceptedDateStr=null, onlineDate=1789098267451, onlineDateStr=2026-09-11, pubDate=1781452800000, pubDateStr=2026-06-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789098267451, onlineIssueDateStr=2026-09-11, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789098267451, creator=13701087609, updateTime=1789098267451, updator=13701087609, issue=Issue{id=1305135949499884251, tenantId=1146029695717560320, journalId=1303687221787852879, year='2026', volume='46', issue='6', pageStart='F2', pageEnd='850', issueExtLink='null', onlineDate='null', pubDate='1781452800000', pubDateStr='2026-06-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789098258614, creator='13701087609', updateTime=1789103086332, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1305156198454547374, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305135949499884251, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1305156198454547375, tenantId=1146029695717560320, journalId=1303687221787852879, issueId=1305135949499884251, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=768, endPage=775, ext={EN=ArticleExt(id=1305135986795630701, articleId=1305135986564943980, tenantId=1146029695717560320, journalId=1303687221787852879, language=EN, title=Comprehensive Evaluation of Agronomic Traits in Wheat RIL Population Based on Principal Component and Cluster Analyses, columnId=1305133119129023428, journalTitle=Journal of Triticeae Crops, columnName=Genetics & Breeding, runingTitle=null, highlight=null, articleAbstract=

To elucidate the genetic variation patterns of agronomic traits in a recombinant inbred line (RIL) population and develop new restorer germplasm for BNS (Bainong sterility) hybrid wheat, this study utilized 120 F₄ RIL families derived from a common wheat cross (Bainong Aikang 58×CL0442). Twelve key agronomic traits, including plant height, panicle exertion length, length of the top internode, tiller angle, spike length, spike number, productive tiller number, grain number per main spike, spikelet number, grain weight per spike, grain yield per plant, and thousand-grain weight, were systematically investigated and subjected to analyses of variability, correlation, principal components, and systematic clustering. The results revealed rich genetic diversity within the population for most traits, with evident transgressive segregation. Correlation analysis indicated a highly significant positive correlation between plant height and grain yield per plant, a significant negative correlation between the length of the top internode and grain weight per main spike, and a significant positive correlation between panicle exertion length and grain weight per spike. Principal component analysis extracted the first six principal components, which collectively accounted for 83.37% of the total variance, representing key genetic dimensions such as biomass and plant yield, spike fertility, plant height structure, and plant architecture. Cluster analysis categorized the 120 families into two major classes and four subgroups, revealing significant genetic differentiation within the population. Furthermore, a comprehensive evaluation identified eight superior lines, including R8 and R12, which exhibited outstanding overall performance, providing valuable intermediate materials for breeding strong restorer lines for BNS hybrid wheat.

, authors=Songyan WEI, Hao JIANG, Yikai TIAN, Dandan SU, Xiangdong CHEN, Xiaojun WU, Zhengang RU, authorsList=Songyan WEI, Hao JIANG, Yikai TIAN, Dandan SU, Xiangdong CHEN, Xiaojun WU, Zhengang RU, authorCompany=null, correspAuthors=Xiaojun WU, Zhengang RU, 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=1305135987437359214, articleId=1305135986564943980, tenantId=1146029695717560320, journalId=1303687221787852879, language=CN, title=基于主成分与聚类分析的小麦RIL群体农艺性状综合评价, columnId=1305133119284212678, journalTitle=麦类作物学报, columnName=遗传育种, runingTitle=null, highlight=null, articleAbstract=

为解析小麦重组自交系（RIL）群体的农艺性状遗传变异特征，并创制适用于BNS（Bainong sterility）杂交小麦的新恢复系种质，以普通小麦组合（百农矮抗58×CL0442）衍生的120份F₄代RIL家系为材料，系统调查了株高、穗颈长、穗下节长、分蘖角、穗长、穗数、有效分蘖数、主穗粒数、小穗数、穗粒重、单株粒重和千粒重等12个关键农艺性状，并进行了变异、相关、主成分及系统聚类分析。结果表明，RIL群体在多数性状上表现出丰富的遗传变异，其中单株粒重、有效分蘖数、穗数和分蘖角的变异系数均超过50%，存在明显的超亲分离现象。在不同性状间，株高与单株粒重呈极显著正相关，穗下节长与主穗粒数呈显著负相关，穗颈长与穗粒重呈显著正相关。通过主成分分析提取的前6个主成分累计贡献率达到83.37%，解析出生物量与单株产量、穗部结实能力、株高及株型等核心性状组合，明确了群体变异的主要遗传方向。通过聚类分析将120个家系划分为2大类、4个亚组，揭示了群体内显著的遗传分化。通过综合评价筛选出R8、R12等8个家系，其综合性状表现优异，可作为BNS杂交小麦强恢复系选育的中间材料。

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