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Article(id=1307407427855471072, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407384415068771, articleNumber=null, orderNo=null, doi=10.16819/j.1001-7216.2026.250112, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1736784000000, receivedDateStr=2025-01-14, revisedDate=1742572800000, revisedDateStr=2025-03-22, acceptedDate=null, acceptedDateStr=null, onlineDate=1789639821255, onlineDateStr=2026-09-17, pubDate=1767974400000, pubDateStr=2026-01-10, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789639821255, onlineIssueDateStr=2026-09-17, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789639821255, creator=13701087609, updateTime=1789639821255, updator=13701087609, issue=Issue{id=1307407384415068771, tenantId=1146029695717560320, journalId=1306273872116547672, year='2026', volume='40', issue='1', pageStart='1', pageEnd='144', issueExtLink='null', onlineDate='null', pubDate='1767974400000', pubDateStr='2026-01-10', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789639810898, creator='13701087609', updateTime=1789640035985, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307408328565482276, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407384415068771, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307408328565482277, tenantId=1146029695717560320, journalId=1306273872116547672, issueId=1307407384415068771, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=106, endPage=117, ext={EN=ArticleExt(id=1307407428077769185, articleId=1307407427855471072, tenantId=1146029695717560320, journalId=1306273872116547672, language=EN, title=QTL Mapping and Pyramiding Effect Analysis of Diurnal Floret Opening Time Traits in japonica Rice, columnId=1307407385149071973, journalTitle=Chinese Journal of Rice Science, columnName=Research Papers, runingTitle=null, highlight=null, articleAbstract=
【Objective】

Diurnal flowering time (FT) of rice is an important trait that affects the outcrossing rate and seed production yield of japonica rice sterile lines. This study aims to locate QTLs related to diurnal-floret-opening-time (DFOT) in japonica rice and analyze the pyramiding effects to clarify the main effect loci for DFOT traits.

【Method】

Recombinant inbred line populations consisting of 221 lines were constructed using japonica maintainer line J65B with early floret-opening-time and J139B with late floret-opening-time. The floret-opening-time was investigated in three years. QTL mapping analysis was conducted using genetic mapping and BSA-seq methods.

【Result】

A total of 30 DFOT QTLs were detected using complete interval mapping (ICIM) method on chromosomes 2−12. qFT5.2, qFT5.3, qFT5.5, qFT10.2, and qFT10.3 were major and stable QTLs which were detected simultaneously in more than eight environments, with an additive effect range of 13.04−50.93. Based on floret-opening time, extreme individuals were pooled for BSA-seq analysis. Association intervals related to floret-opening-time were detected in the regions of qFT5.3, qFT5.5, qFT6.2, and qFT10.2. According to the genotyping results, different progenies were divided into J139B type and J65B type in each QTL interval. QTL pyramiding effect analysis showed that QTLs derived from J65B would advance diurnal-floret-opening-time. The loci of qFT5.3 and qFT6.2 were essential for achieving early diurnal-floret-opening-time. The loci of qFT5.5 and qFT10.2 could further advance the diurnal-floret-opening-time.

【Conclusion】

Genetic mapping and BSA-seq analysis successfully identified four major stable QTLs related to rice diurnal-floret-opening-time. The localization of qFT5.3, qFT5.5, qFT6.2, and qFT10.2 establishes a foundation for further fine mapping and gene cloning and genetic improvement of diurnal-floret-opening-time in japonica rice.

, authors=Cheng ZHANG1, Guojun SHAO1, Xue ZHANG1, Shujun TIAN1, Chi SUN1, Yanying GUO1, Ran ZHOU2, Yong HAN1, Wenjing ZHENG1, Lianping SUN2, authorsList=Cheng ZHANG, Guojun SHAO, Xue ZHANG, Shujun TIAN, Chi SUN, Yanying GUO, Ran ZHOU, Yong HAN, Wenjing ZHENG, Lianping SUN, authorCompany=null, correspAuthors=Cheng ZHANG, Lianping SUN, authorNote=null, correspAuthorsNote=

*

email:
, 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=1307407428316844514, articleId=1307407427855471072, tenantId=1146029695717560320, journalId=1306273872116547672, language=CN, title=粳稻花时性状QTL定位与聚合效应分析, columnId=1307407385430090343, journalTitle=中国水稻科学, columnName=研究报告, runingTitle=null, highlight=null, articleAbstract=
【目的】

水稻日开花时间是影响粳稻不育系异交率及制繁种产量的重要性状。本研究旨在定位粳稻花时调控相关的QTL并对其聚合效应加以分析，明确早花时QTL的主效位点。

【方法】

利用早花时粳稻保持系粳65B（J65B）和晚花时粳稻保持系粳139B（J139B）构建包含221个家系的重组自交系群体。连续3年调查群体花时性状，采用遗传图谱和BSA-seq两种方法进行花时QTL定位分析。

【结果】

利用完备区间作图法共检测到30个花时性状QTL，分布于2~12号染色体上，其中qFT5.2、qFT5.3、qFT5.5、qFT10.2、qFT10.3在8个以上环境中被同时检测到，加性效应范围13.04~50.93，是稳定表达的主效位点；选取花时极端早和极端晚家系构建混池，利用BSA-seq方法在qFT5.3、qFT5.5、qFT6.2、qFT10.2位点检测到花时关联区域；选取两种方法共同定位到的稳定表达位点进行QTL聚合分析，J65B类型的QTL均会提早花时，qFT5.3和qFT6.2是早花时改良的基础位点，qFT5.5、qFT10.2是进一步提早花时的重要位点。

【结论】

采用两种方法定位到4个稳定表达主效花时QTL qFT5.3、qFT5.5、qFT6.2和qFT10.2，为早花时基因进一步精细定位、基因克隆和粳稻花时性状改良奠定了基础。

, authors=张城1, *, *, 邵国军1, 张雪1, 田书军1, 孙驰1, 郭艳颖1, 周燃2, 韩勇1, 郑文静1, 孙廉平2, *, *, authorsList=张城, 邵国军, 张雪, 田书军, 孙驰, 郭艳颖, 周燃, 韩勇, 郑文静, 孙廉平, authorCompany=null, correspAuthors=张城, 孙廉平, authorNote=null, correspAuthorsNote=

*

email:
, copyrightStatement=作者同意论文在本刊发表,论文的数字化复制权、发行权、汇编权及信息网络传播权即转让本刊编辑部。论文的著作权转让费在本刊稿酬中一次性支付。, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=ke24IItcimQ88n6K+oPHbw==, magXml=+DjrCje3eNGXVIZPQi2VkA==, pdfUrl=null, pdf=+Bz+rTD952au6CPiMME1iA==, pdfFileSize=2138248, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=LL6JGapKO4vY1w/hOnkEEg==, mapNumber=null, fund=null)}, authors=[Author(id=1307765085439554046, tenantId=1146029695717560320, journalId=1306273872116547672, articleId=1307407427855471072, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=zhch024@163.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1307765085724766720, tenantId=1146029695717560320, journalId=1306273872116547672, 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粳稻花时性状QTL定位与聚合效应分析
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张城 1, *, * , 邵国军 1 , 张雪 1 , 田书军 1 , 孙驰 1 , 郭艳颖 1 , 周燃 2 , 韩勇 1 , 郑文静 1 , 孙廉平 2, *, *
中国水稻科学 | 研究报告 2026,40(1): 106-117
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中国水稻科学 |研究报告 2026 , 40 (1) : 106 -117
粳稻花时性状QTL定位与聚合效应分析
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张城1, *, * , 邵国军1, 张雪1, 田书军1, 孙驰1, 郭艳颖1, 周燃2, 韩勇1, 郑文静1, 孙廉平2, *, *
作者信息
  • 1辽宁省水稻研究所，沈阳 110101
  • 2中国水稻研究所/国家水稻改良中心/水稻生物育种全国重点实验室，杭州 311401
通讯作者:
QTL Mapping and Pyramiding Effect Analysis of Diurnal Floret Opening Time Traits in japonica Rice
Cheng ZHANG1 , Guojun SHAO1, Xue ZHANG1, Shujun TIAN1, Chi SUN1, Yanying GUO1, Ran ZHOU2, Yong HAN1, Wenjing ZHENG1, Lianping SUN2
Affiliations
  • 1Liaoning Rice Research Institute, Shenyang, 110101, China
  • 2Chinese National Center for Rice Improvement/State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou, 311401, China
    • Corresponding Author:

    *

    email:
出版时间: 2026-01-10 doi: 10.16819/j.1001-7216.2026.250112
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摘要
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【目的】

水稻日开花时间是影响粳稻不育系异交率及制繁种产量的重要性状。本研究旨在定位粳稻花时调控相关的QTL并对其聚合效应加以分析，明确早花时QTL的主效位点。

【方法】

利用早花时粳稻保持系粳65B（J65B）和晚花时粳稻保持系粳139B（J139B）构建包含221个家系的重组自交系群体。连续3年调查群体花时性状，采用遗传图谱和BSA-seq两种方法进行花时QTL定位分析。

【结果】

利用完备区间作图法共检测到30个花时性状QTL，分布于2~12号染色体上，其中qFT5.2、qFT5.3、qFT5.5、qFT10.2、qFT10.3在8个以上环境中被同时检测到，加性效应范围13.04~50.93，是稳定表达的主效位点；选取花时极端早和极端晚家系构建混池，利用BSA-seq方法在qFT5.3、qFT5.5、qFT6.2、qFT10.2位点检测到花时关联区域；选取两种方法共同定位到的稳定表达位点进行QTL聚合分析，J65B类型的QTL均会提早花时，qFT5.3和qFT6.2是早花时改良的基础位点，qFT5.5、qFT10.2是进一步提早花时的重要位点。

【结论】

采用两种方法定位到4个稳定表达主效花时QTL qFT5.3、qFT5.5、qFT6.2和qFT10.2，为早花时基因进一步精细定位、基因克隆和粳稻花时性状改良奠定了基础。

粳稻  /  花时  /  重组自交系  /  BSA-seq  /  QTL定位
【Objective】

Diurnal flowering time (FT) of rice is an important trait that affects the outcrossing rate and seed production yield of japonica rice sterile lines. This study aims to locate QTLs related to diurnal-floret-opening-time (DFOT) in japonica rice and analyze the pyramiding effects to clarify the main effect loci for DFOT traits.

【Method】

Recombinant inbred line populations consisting of 221 lines were constructed using japonica maintainer line J65B with early floret-opening-time and J139B with late floret-opening-time. The floret-opening-time was investigated in three years. QTL mapping analysis was conducted using genetic mapping and BSA-seq methods.

【Result】

A total of 30 DFOT QTLs were detected using complete interval mapping (ICIM) method on chromosomes 2−12. qFT5.2, qFT5.3, qFT5.5, qFT10.2, and qFT10.3 were major and stable QTLs which were detected simultaneously in more than eight environments, with an additive effect range of 13.04−50.93. Based on floret-opening time, extreme individuals were pooled for BSA-seq analysis. Association intervals related to floret-opening-time were detected in the regions of qFT5.3, qFT5.5, qFT6.2, and qFT10.2. According to the genotyping results, different progenies were divided into J139B type and J65B type in each QTL interval. QTL pyramiding effect analysis showed that QTLs derived from J65B would advance diurnal-floret-opening-time. The loci of qFT5.3 and qFT6.2 were essential for achieving early diurnal-floret-opening-time. The loci of qFT5.5 and qFT10.2 could further advance the diurnal-floret-opening-time.

【Conclusion】

Genetic mapping and BSA-seq analysis successfully identified four major stable QTLs related to rice diurnal-floret-opening-time. The localization of qFT5.3, qFT5.5, qFT6.2, and qFT10.2 establishes a foundation for further fine mapping and gene cloning and genetic improvement of diurnal-floret-opening-time in japonica rice.

japonica rice  /  diurnal-floret-opening-time  /  recombinant inbred line  /  BSA-seq  /  QTL mapping
张城, 邵国军, 张雪, 田书军, 孙驰, 郭艳颖, 周燃, 韩勇, 郑文静, 孙廉平. 粳稻花时性状QTL定位与聚合效应分析. 中国水稻科学, 2026 , 40 (1) : 106 -117 . DOI: 10.16819/j.1001-7216.2026.250112
Cheng ZHANG, Guojun SHAO, Xue ZHANG, Shujun TIAN, Chi SUN, Yanying GUO, Ran ZHOU, Yong HAN, Wenjing ZHENG, Lianping SUN. QTL Mapping and Pyramiding Effect Analysis of Diurnal Floret Opening Time Traits in japonica Rice[J]. Chinese Journal of Rice Science, 2026 , 40 (1) : 106 -117 . DOI: 10.16819/j.1001-7216.2026.250112
基金
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  • 辽宁省自然科学基金面上项目“杂交粳稻保持系早花时QTL定位”(2022-MS-059)
  • 辽宁省农业科学院学科建设计划项目(2024XKJS5222)
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文章信息
doi: 10.16819/j.1001-7216.2026.250112
  • 接收时间：2025-01-14
  • 首发时间：2026-09-17
  • 出版时间：2026-01-10
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出版历史
  • 收稿日期：2025-01-14
  • 修回日期：2025-03-22
基金
辽宁省自然科学基金面上项目“杂交粳稻保持系早花时QTL定位”(2022-MS-059)
辽宁省农业科学院学科建设计划项目(2024XKJS5222)
作者信息
    1辽宁省水稻研究所，沈阳 110101
    2中国水稻研究所/国家水稻改良中心/水稻生物育种全国重点实验室，杭州 311401

通讯作者:

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https://castjournals.cast.org.cn/joweb/zgsdkx/CN/10.16819/j.1001-7216.2026.250112
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2种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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