Developmental events associated with the critical stage for sex determination in wild-rice florets
The developmental events of florets and a critical stage for sex determination in two wild‐rice populations (Zizania palustriscv. Franklin andZizania palustriscv. K‐2Pi) have been identified. Formation of bisexual florets precedes the development of both male and female florets. Developmental indica...
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| Veröffentlicht in: | International journal of plant sciences 1999-11, Vol.160 (6), p.1127-1133 |
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| creator | Han, Susan S. Liu, Qinqin |
| description | The developmental events of florets and a critical stage for sex determination in two wild‐rice populations (Zizania palustriscv. Franklin andZizania palustriscv. K‐2Pi) have been identified. Formation of bisexual florets precedes the development of both male and female florets. Developmental indicators, established by measuring the length of florets and panicles, indicate that the critical stage for sex determination occurs when floret and panicle lengths are 1–2 mm and 3 cm, respectively. The stage of floret development at which sex determination occurs is the same in the two investigated wild‐rice populations. Organ suppression in bisexual florets is an essential step for sex determination during the formation of unisexual florets. Histological examination of suppressed stamens or pistils in unisexual florets of wild‐rice indicates that cell death does not occur during sex determination. In addition, the length of anthers and pistils in bisexual florets indicates that floral development in the transition zone is normal when compared with the male florets in the male spikelets and female florets in the female spikelets. |
| doi_str_mv | 10.1086/314206 |
| format | Article |
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Franklin andZizania palustriscv. K‐2Pi) have been identified. Formation of bisexual florets precedes the development of both male and female florets. Developmental indicators, established by measuring the length of florets and panicles, indicate that the critical stage for sex determination occurs when floret and panicle lengths are 1–2 mm and 3 cm, respectively. The stage of floret development at which sex determination occurs is the same in the two investigated wild‐rice populations. Organ suppression in bisexual florets is an essential step for sex determination during the formation of unisexual florets. Histological examination of suppressed stamens or pistils in unisexual florets of wild‐rice indicates that cell death does not occur during sex determination. In addition, the length of anthers and pistils in bisexual florets indicates that floral development in the transition zone is normal when compared with the male florets in the male spikelets and female florets in the female spikelets.</description><identifier>ISSN: 1058-5893</identifier><identifier>EISSN: 1537-5315</identifier><identifier>DOI: 10.1086/314206</identifier><identifier>PMID: 10568779</identifier><language>eng</language><publisher>United States: The University of Chicago Press</publisher><subject>Anthers ; apoptosis ; Bisexuality ; Botany ; Corn ; Florets ; flowers ; Flowers & plants ; histology ; inflorescences ; length ; Panicles ; plant development ; plant organs ; Plant reproduction ; Plants ; population ; Rice ; Sex determination ; sex ratio ; Spikelets ; Stamens ; Transition zones ; ultrastructure ; Zizania palustris</subject><ispartof>International journal of plant sciences, 1999-11, Vol.160 (6), p.1127-1133</ispartof><rights>1999 by The University of Chicago. All rights reserved.</rights><rights>1999 by The University of Chicago. All rights reserved.</rights><rights>Copyright University of Chicago, acting through its Press Nov 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c378t-45fa02047a8444f72e9cd71bb931c875a08aa06a8d42d7e449271097435845243</citedby><cites>FETCH-LOGICAL-c378t-45fa02047a8444f72e9cd71bb931c875a08aa06a8d42d7e449271097435845243</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,799,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10568779$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Han, Susan S.</creatorcontrib><creatorcontrib>Liu, Qinqin</creatorcontrib><title>Developmental events associated with the critical stage for sex determination in wild-rice florets</title><title>International journal of plant sciences</title><addtitle>Int J Plant Sci</addtitle><description>The developmental events of florets and a critical stage for sex determination in two wild‐rice populations (Zizania palustriscv. Franklin andZizania palustriscv. K‐2Pi) have been identified. Formation of bisexual florets precedes the development of both male and female florets. Developmental indicators, established by measuring the length of florets and panicles, indicate that the critical stage for sex determination occurs when floret and panicle lengths are 1–2 mm and 3 cm, respectively. The stage of floret development at which sex determination occurs is the same in the two investigated wild‐rice populations. Organ suppression in bisexual florets is an essential step for sex determination during the formation of unisexual florets. Histological examination of suppressed stamens or pistils in unisexual florets of wild‐rice indicates that cell death does not occur during sex determination. In addition, the length of anthers and pistils in bisexual florets indicates that floral development in the transition zone is normal when compared with the male florets in the male spikelets and female florets in the female spikelets.</description><subject>Anthers</subject><subject>apoptosis</subject><subject>Bisexuality</subject><subject>Botany</subject><subject>Corn</subject><subject>Florets</subject><subject>flowers</subject><subject>Flowers & plants</subject><subject>histology</subject><subject>inflorescences</subject><subject>length</subject><subject>Panicles</subject><subject>plant development</subject><subject>plant organs</subject><subject>Plant reproduction</subject><subject>Plants</subject><subject>population</subject><subject>Rice</subject><subject>Sex determination</subject><subject>sex ratio</subject><subject>Spikelets</subject><subject>Stamens</subject><subject>Transition zones</subject><subject>ultrastructure</subject><subject>Zizania palustris</subject><issn>1058-5893</issn><issn>1537-5315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNpd0F1rFDEUBuAgiq1Vf4FokCLejOZzk1yWWj-g4IX2OmQzZ3azzEzWnIwf_97IlCpeJeE8eRNeQp5y9oYzu3kruRJsc4-cci1NpyXX99ueadtp6-QJeYR4YIw5LdxDctIGG2uMOyXbd_AdxnycYK5hpO0wV6QBMccUKvT0R6p7WvdAY0k1xWawhh3QIReK8JP2UKFMaQ415ZmmuV0Y-66k2MiYC1R8TB4MYUR4cruekZv3V18vP3bXnz98ury47qI0tnZKD4EJpkywSqnBCHCxN3y7dZJHa3RgNgS2CbZXojeglBOGM2eU1FZpoeQZeb3mHkv-tgBWPyWMMI5hhryg51a3KGmEbPTlf_SQlzK333lhlFHOKtfQqxXFkhELDP5Y0hTKL8-Z_1O6X0tv8Plt2rKdoP-HrS03cL6CJe5bhbt8LID49827nGcrO2DN5S5GOKeN4m38Yh0PIfuwKwn9zRfBuGTCSeWYk78Bmf2Zsw</recordid><startdate>19991101</startdate><enddate>19991101</enddate><creator>Han, Susan S.</creator><creator>Liu, Qinqin</creator><general>The University of Chicago Press</general><general>University of Chicago, acting through its Press</general><scope>FBQ</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>19991101</creationdate><title>Developmental events associated with the critical stage for sex determination in wild-rice florets</title><author>Han, Susan S. ; Liu, Qinqin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-45fa02047a8444f72e9cd71bb931c875a08aa06a8d42d7e449271097435845243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Anthers</topic><topic>apoptosis</topic><topic>Bisexuality</topic><topic>Botany</topic><topic>Corn</topic><topic>Florets</topic><topic>flowers</topic><topic>Flowers & plants</topic><topic>histology</topic><topic>inflorescences</topic><topic>length</topic><topic>Panicles</topic><topic>plant development</topic><topic>plant organs</topic><topic>Plant reproduction</topic><topic>Plants</topic><topic>population</topic><topic>Rice</topic><topic>Sex determination</topic><topic>sex ratio</topic><topic>Spikelets</topic><topic>Stamens</topic><topic>Transition zones</topic><topic>ultrastructure</topic><topic>Zizania palustris</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Susan S.</creatorcontrib><creatorcontrib>Liu, Qinqin</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of plant sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Susan S.</au><au>Liu, Qinqin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Developmental events associated with the critical stage for sex determination in wild-rice florets</atitle><jtitle>International journal of plant sciences</jtitle><addtitle>Int J Plant Sci</addtitle><date>1999-11-01</date><risdate>1999</risdate><volume>160</volume><issue>6</issue><spage>1127</spage><epage>1133</epage><pages>1127-1133</pages><issn>1058-5893</issn><eissn>1537-5315</eissn><abstract>The developmental events of florets and a critical stage for sex determination in two wild‐rice populations (Zizania palustriscv. Franklin andZizania palustriscv. K‐2Pi) have been identified. Formation of bisexual florets precedes the development of both male and female florets. Developmental indicators, established by measuring the length of florets and panicles, indicate that the critical stage for sex determination occurs when floret and panicle lengths are 1–2 mm and 3 cm, respectively. The stage of floret development at which sex determination occurs is the same in the two investigated wild‐rice populations. Organ suppression in bisexual florets is an essential step for sex determination during the formation of unisexual florets. Histological examination of suppressed stamens or pistils in unisexual florets of wild‐rice indicates that cell death does not occur during sex determination. In addition, the length of anthers and pistils in bisexual florets indicates that floral development in the transition zone is normal when compared with the male florets in the male spikelets and female florets in the female spikelets.</abstract><cop>United States</cop><pub>The University of Chicago Press</pub><pmid>10568779</pmid><doi>10.1086/314206</doi><tpages>7</tpages></addata></record> |
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| ispartof | International journal of plant sciences, 1999-11, Vol.160 (6), p.1127-1133 |
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| language | eng |
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| source | Jstor Complete Legacy |
| subjects | Anthers apoptosis Bisexuality Botany Corn Florets flowers Flowers & plants histology inflorescences length Panicles plant development plant organs Plant reproduction Plants population Rice Sex determination sex ratio Spikelets Stamens Transition zones ultrastructure Zizania palustris |
| title | Developmental events associated with the critical stage for sex determination in wild-rice florets |
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