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Conserving maize in gene banks: Changes in genetic diversity revealed by morphological and SSR markers
In the second half of 20th century the awareness of importance of landraces for the future, led to organized collecting missions for numerous plant species. A total of 2217 maize (Zea mays L.) landraces, collected in the former Yugoslavia, are stored at Maize Research Institute (MRIZP) gene bank. Du...
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| Published in: | Chilean journal of agricultural research 2018-03, Vol.78 (1), p.30-38 |
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| creator | Andjelkovic, Violeta Nikolic, Ana Kovacevic, Dragan Mladenovic-Drinic, Snezana Kravic, Natalija Babic, Vojka Srebric, Mirjana Jankulovska, Mirjana Ivanovska, Sonja Bosev, Dane |
| description | In the second half of 20th century the awareness of importance of landraces for the future, led to organized collecting missions for numerous plant species. A total of 2217 maize (Zea mays L.) landraces, collected in the former Yugoslavia, are stored at Maize Research Institute (MRIZP) gene bank. During 2014, new collecting missions were organized in the eastern and western parts of Macedonia. According to collecting site and kernel type, 14 samples from the Faculty of Agricultural Sciences and Food, R. Macedonia were chosen for the comparison and identification of possible duplicates, through coupling with the 16 MRIZP gene bank accessions from the same area and kernel characteristics. Phenotypic characterization was done for 21 traits according to International Board for Plant Genetic Resources descriptors for maize. The Principal Component Analysis (PCA) identifies five PCs with Eigenvalue > 1, explaining 80% of the total phenotypic variation. The most discriminative traits with the strongest positive associations were tasseling and silking dates, plant height, leaf length and ear length. Compared to the exsitu populations, the number of alleles and the number of specific alleles, showed a significant decrease in the in situ populations. Twelve unique alleles were detected in samples from MRIZP gene bank, and only four were found in new Macedonian samples. Cluster analysis of morphological and molecular markers distinguished groups of maize accessions with distinctive morphological traits and genetic profiles that will be useful for conservation, and management of gene bank collection, as well as for possible utilization in breeding. |
| doi_str_mv | 10.4067/S0718-58392018000100030 |
| format | article |
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A total of 2217 maize (Zea mays L.) landraces, collected in the former Yugoslavia, are stored at Maize Research Institute (MRIZP) gene bank. During 2014, new collecting missions were organized in the eastern and western parts of Macedonia. According to collecting site and kernel type, 14 samples from the Faculty of Agricultural Sciences and Food, R. Macedonia were chosen for the comparison and identification of possible duplicates, through coupling with the 16 MRIZP gene bank accessions from the same area and kernel characteristics. Phenotypic characterization was done for 21 traits according to International Board for Plant Genetic Resources descriptors for maize. The Principal Component Analysis (PCA) identifies five PCs with Eigenvalue > 1, explaining 80% of the total phenotypic variation. The most discriminative traits with the strongest positive associations were tasseling and silking dates, plant height, leaf length and ear length. Compared to the exsitu populations, the number of alleles and the number of specific alleles, showed a significant decrease in the in situ populations. Twelve unique alleles were detected in samples from MRIZP gene bank, and only four were found in new Macedonian samples. Cluster analysis of morphological and molecular markers distinguished groups of maize accessions with distinctive morphological traits and genetic profiles that will be useful for conservation, and management of gene bank collection, as well as for possible utilization in breeding.</description><identifier>ISSN: 0718-5839</identifier><identifier>ISSN: 0718-5820</identifier><identifier>EISSN: 0718-5839</identifier><identifier>DOI: 10.4067/S0718-58392018000100030</identifier><language>eng ; por</language><publisher>Chillán: Instituto de Investigaciones Agropecuarias</publisher><subject>20th century ; Agricultural management ; Agricultural sciences ; Agriculture ; AGRICULTURE, MULTIDISCIPLINARY ; AGRONOMY ; Alleles ; Biological diversity ; Breeding ; Cluster analysis ; Collections ; Corn ; Coupling (molecular) ; Crop science ; Gene banks ; Genes ; Genetic diversity ; Genetic resources ; Genetic testing ; Germplasm ; Markers ; Missions ; Molecular chains ; Morphology ; Phenotypic variations ; Population genetics ; Populations ; Principal components analysis ; Ribosomal DNA ; Seeds ; Zea mays</subject><ispartof>Chilean journal of agricultural research, 2018-03, Vol.78 (1), p.30-38</ispartof><rights>COPYRIGHT 2018 Instituto de Investigaciones Agropecuarias</rights><rights>Copyright Chilean Journal of Agricultural Research Jan-Mar 2018</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c401t-199c163f5e2d36ebabbff8acb766225621c0185def15d019d9ab03e7ae94f53a3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.proquest.com/docview/2052764932/fulltextPDF?pq-origsite=primo$$EPDF$$P50$$Gproquest$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.proquest.com/docview/2052764932?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>230,315,786,790,891,24179,25783,27957,27958,37047,44625,75483</link.rule.ids></links><search><creatorcontrib>Andjelkovic, Violeta</creatorcontrib><creatorcontrib>Nikolic, Ana</creatorcontrib><creatorcontrib>Kovacevic, Dragan</creatorcontrib><creatorcontrib>Mladenovic-Drinic, Snezana</creatorcontrib><creatorcontrib>Kravic, Natalija</creatorcontrib><creatorcontrib>Babic, Vojka</creatorcontrib><creatorcontrib>Srebric, Mirjana</creatorcontrib><creatorcontrib>Jankulovska, Mirjana</creatorcontrib><creatorcontrib>Ivanovska, Sonja</creatorcontrib><creatorcontrib>Bosev, Dane</creatorcontrib><title>Conserving maize in gene banks: Changes in genetic diversity revealed by morphological and SSR markers</title><title>Chilean journal of agricultural research</title><addtitle>Chil. j. agric. res</addtitle><description>In the second half of 20th century the awareness of importance of landraces for the future, led to organized collecting missions for numerous plant species. A total of 2217 maize (Zea mays L.) landraces, collected in the former Yugoslavia, are stored at Maize Research Institute (MRIZP) gene bank. During 2014, new collecting missions were organized in the eastern and western parts of Macedonia. According to collecting site and kernel type, 14 samples from the Faculty of Agricultural Sciences and Food, R. Macedonia were chosen for the comparison and identification of possible duplicates, through coupling with the 16 MRIZP gene bank accessions from the same area and kernel characteristics. Phenotypic characterization was done for 21 traits according to International Board for Plant Genetic Resources descriptors for maize. The Principal Component Analysis (PCA) identifies five PCs with Eigenvalue > 1, explaining 80% of the total phenotypic variation. The most discriminative traits with the strongest positive associations were tasseling and silking dates, plant height, leaf length and ear length. Compared to the exsitu populations, the number of alleles and the number of specific alleles, showed a significant decrease in the in situ populations. Twelve unique alleles were detected in samples from MRIZP gene bank, and only four were found in new Macedonian samples. Cluster analysis of morphological and molecular markers distinguished groups of maize accessions with distinctive morphological traits and genetic profiles that will be useful for conservation, and management of gene bank collection, as well as for possible utilization in breeding.</description><subject>20th century</subject><subject>Agricultural management</subject><subject>Agricultural sciences</subject><subject>Agriculture</subject><subject>AGRICULTURE, MULTIDISCIPLINARY</subject><subject>AGRONOMY</subject><subject>Alleles</subject><subject>Biological diversity</subject><subject>Breeding</subject><subject>Cluster analysis</subject><subject>Collections</subject><subject>Corn</subject><subject>Coupling (molecular)</subject><subject>Crop science</subject><subject>Gene banks</subject><subject>Genes</subject><subject>Genetic diversity</subject><subject>Genetic resources</subject><subject>Genetic testing</subject><subject>Germplasm</subject><subject>Markers</subject><subject>Missions</subject><subject>Molecular chains</subject><subject>Morphology</subject><subject>Phenotypic variations</subject><subject>Population genetics</subject><subject>Populations</subject><subject>Principal components analysis</subject><subject>Ribosomal DNA</subject><subject>Seeds</subject><subject>Zea mays</subject><issn>0718-5839</issn><issn>0718-5820</issn><issn>0718-5839</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><recordid>eNp1UdtKAzEQXUTBWv0GAz635rLJ7vpWFm9QEKw-L9nsZJt2m9RkW6hfb7TeQHwYZpg5Zy5nkuSc4HGKRXY5wxnJRzxnBcUkxxiTaAwfJIPvwuGv-Dg5CWGBsUgzwgaJLp0N4LfGtmglzSsgY1ELFlAt7TJcoXIubQvhK90bhRqzBR9Mv0MetiA7aFC9Qyvn13PXudYo2SFpGzSbPcaefhnBp8mRll2As08_TJ5vrp_Ku9H04fa-nExHKsWkH5GiUEQwzYE2TEAt61rrXKo6E4JSLihR8UbegCa8waRoClljBpmEItWcSTZMxvu-QRnoXLVwG2_jwOpDpeqPSpFwsSesvXvZQOh_KBRzmom0YPQH1cZrK2O1671UKxNUNREc54IxziMq26OUdyF40NXamyjAriK4ev_Vv1u8ARGMg90</recordid><startdate>20180301</startdate><enddate>20180301</enddate><creator>Andjelkovic, Violeta</creator><creator>Nikolic, Ana</creator><creator>Kovacevic, Dragan</creator><creator>Mladenovic-Drinic, Snezana</creator><creator>Kravic, Natalija</creator><creator>Babic, Vojka</creator><creator>Srebric, Mirjana</creator><creator>Jankulovska, Mirjana</creator><creator>Ivanovska, Sonja</creator><creator>Bosev, Dane</creator><general>Instituto de Investigaciones Agropecuarias</general><general>Chilean Journal of Agricultural Research</general><general>Instituto de Investigaciones Agropecuarias, INIA</general><scope>AAYXX</scope><scope>CITATION</scope><scope>INF</scope><scope>3V.</scope><scope>7WY</scope><scope>7X2</scope><scope>7XB</scope><scope>883</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>CCPQU</scope><scope>CLZPN</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>L.-</scope><scope>M0F</scope><scope>M0K</scope><scope>PIMPY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>GPN</scope></search><sort><creationdate>20180301</creationdate><title>Conserving maize in gene banks: Changes in genetic diversity revealed by morphological and SSR markers</title><author>Andjelkovic, Violeta ; 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A total of 2217 maize (Zea mays L.) landraces, collected in the former Yugoslavia, are stored at Maize Research Institute (MRIZP) gene bank. During 2014, new collecting missions were organized in the eastern and western parts of Macedonia. According to collecting site and kernel type, 14 samples from the Faculty of Agricultural Sciences and Food, R. Macedonia were chosen for the comparison and identification of possible duplicates, through coupling with the 16 MRIZP gene bank accessions from the same area and kernel characteristics. Phenotypic characterization was done for 21 traits according to International Board for Plant Genetic Resources descriptors for maize. The Principal Component Analysis (PCA) identifies five PCs with Eigenvalue > 1, explaining 80% of the total phenotypic variation. The most discriminative traits with the strongest positive associations were tasseling and silking dates, plant height, leaf length and ear length. Compared to the exsitu populations, the number of alleles and the number of specific alleles, showed a significant decrease in the in situ populations. Twelve unique alleles were detected in samples from MRIZP gene bank, and only four were found in new Macedonian samples. Cluster analysis of morphological and molecular markers distinguished groups of maize accessions with distinctive morphological traits and genetic profiles that will be useful for conservation, and management of gene bank collection, as well as for possible utilization in breeding.</abstract><cop>Chillán</cop><pub>Instituto de Investigaciones Agropecuarias</pub><doi>10.4067/S0718-58392018000100030</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | 20th century Agricultural management Agricultural sciences Agriculture AGRICULTURE, MULTIDISCIPLINARY AGRONOMY Alleles Biological diversity Breeding Cluster analysis Collections Corn Coupling (molecular) Crop science Gene banks Genes Genetic diversity Genetic resources Genetic testing Germplasm Markers Missions Molecular chains Morphology Phenotypic variations Population genetics Populations Principal components analysis Ribosomal DNA Seeds Zea mays |
| title | Conserving maize in gene banks: Changes in genetic diversity revealed by morphological and SSR markers |
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