Estimating genetic effects in maternal and paternal half-sibs from tetraploid-diploid crosses in Musa spp
Ploidy manipulations and interspecific crosses have allowed considerable genetic progress in Musa breeding, but estimation of genetic parameters for parental selection remains a major challenge. This study aimed to determine the components of genetic variance and the relative contribution of genetic...
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| Veröffentlicht in: | Euphytica 2012-05, Vol.185 (2), p.295-301 |
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| creator | Tenkouano, Abdou Ortiz, Rodomiro Vuylsteke, Dirk |
| description | Ploidy manipulations and interspecific crosses have allowed considerable genetic progress in Musa breeding, but estimation of genetic parameters for parental selection remains a major challenge. This study aimed to determine the components of genetic variance and the relative contribution of genetic effects to phenotypic variation of yield and phenological traits in secondary triploid hybrids from tetraploid–diploid crosses. The hybrids were evaluated in two consecutive growth cycles on a tropical forest site. Non-genetic effects accounted for a large fraction of the variation observed for most traits, except bunch weight. Partitioning of genetic variance into additive and dominance components confirmed the predominant role of additive genetic effects on the expression of bunch weight, fruit filling time, fruit length, plant height, and number of leaves while primarily non-additive effects accounted for suckering behavior and fruit circumference. Maternal general combining ability (GCA) effects accounted for the additive genetic variation in plant height and number of leaves, suggesting that selection for these traits should be carried out in tetraploid clones. Conversely, paternal GCA effects were the primary causes of genetic variation for fruit filling time, bunch weight, and fruit length, suggesting that these characters should be selected for in diploid clones. Specific combining ability (SCA) effects were observed for all traits, except fruit filling time, suggesting that additional genetic gain could be achieved through recombinative heterosis for these traits. |
| doi_str_mv | 10.1007/s10681-011-0583-y |
| format | Article |
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This study aimed to determine the components of genetic variance and the relative contribution of genetic effects to phenotypic variation of yield and phenological traits in secondary triploid hybrids from tetraploid–diploid crosses. The hybrids were evaluated in two consecutive growth cycles on a tropical forest site. Non-genetic effects accounted for a large fraction of the variation observed for most traits, except bunch weight. Partitioning of genetic variance into additive and dominance components confirmed the predominant role of additive genetic effects on the expression of bunch weight, fruit filling time, fruit length, plant height, and number of leaves while primarily non-additive effects accounted for suckering behavior and fruit circumference. Maternal general combining ability (GCA) effects accounted for the additive genetic variation in plant height and number of leaves, suggesting that selection for these traits should be carried out in tetraploid clones. Conversely, paternal GCA effects were the primary causes of genetic variation for fruit filling time, bunch weight, and fruit length, suggesting that these characters should be selected for in diploid clones. Specific combining ability (SCA) effects were observed for all traits, except fruit filling time, suggesting that additional genetic gain could be achieved through recombinative heterosis for these traits.</description><identifier>ISSN: 0014-2336</identifier><identifier>ISSN: 1573-5060</identifier><identifier>EISSN: 1573-5060</identifier><identifier>DOI: 10.1007/s10681-011-0583-y</identifier><identifier>CODEN: EUPHAA</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Agricultural Science ; Agronomy. Soil science and plant productions ; Biological and medical sciences ; Biomedical and Life Sciences ; Biotechnology ; Combining ability ; Diploids ; Dominance ; Fruits ; Fundamental and applied biological sciences. Psychology ; Genetic diversity ; Genetic effects ; Genetic improvement ; Genetic research ; Genetic variance ; Genetics and breeding of economic plants ; Genotype & phenotype ; Heterosis ; Hybridization ; Hybrids ; Interspecific hybridization ; Jordbruksvetenskap ; Leaves ; Life Sciences ; Musa ; Phenotypic variations ; Plant breeding ; Plant Genetics and Genomics ; Plant Pathology ; Plant Physiology ; Plant Sciences ; Plants ; Ploidy ; Selective breeding ; Tropical forests</subject><ispartof>Euphytica, 2012-05, Vol.185 (2), p.295-301</ispartof><rights>Springer Science+Business Media B.V. 2011</rights><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2012 Springer</rights><rights>Springer Science+Business Media B.V. 2012</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c456t-1835c19a899705590c05351ee9ef8c5f612d9ab3061f93be5a43a009505a0f193</citedby><cites>FETCH-LOGICAL-c456t-1835c19a899705590c05351ee9ef8c5f612d9ab3061f93be5a43a009505a0f193</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10681-011-0583-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10681-011-0583-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>230,314,780,784,885,27924,27925,41488,42557,51319</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=25810742$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://res.slu.se/id/publ/35783$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Tenkouano, Abdou</creatorcontrib><creatorcontrib>Ortiz, Rodomiro</creatorcontrib><creatorcontrib>Vuylsteke, Dirk</creatorcontrib><creatorcontrib>Sveriges lantbruksuniversitet</creatorcontrib><title>Estimating genetic effects in maternal and paternal half-sibs from tetraploid-diploid crosses in Musa spp</title><title>Euphytica</title><addtitle>Euphytica</addtitle><description>Ploidy manipulations and interspecific crosses have allowed considerable genetic progress in Musa breeding, but estimation of genetic parameters for parental selection remains a major challenge. 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Conversely, paternal GCA effects were the primary causes of genetic variation for fruit filling time, bunch weight, and fruit length, suggesting that these characters should be selected for in diploid clones. Specific combining ability (SCA) effects were observed for all traits, except fruit filling time, suggesting that additional genetic gain could be achieved through recombinative heterosis for these traits.</description><subject>Agricultural Science</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Biotechnology</subject><subject>Combining ability</subject><subject>Diploids</subject><subject>Dominance</subject><subject>Fruits</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Genetic diversity</subject><subject>Genetic effects</subject><subject>Genetic improvement</subject><subject>Genetic research</subject><subject>Genetic variance</subject><subject>Genetics and breeding of economic plants</subject><subject>Genotype & phenotype</subject><subject>Heterosis</subject><subject>Hybridization</subject><subject>Hybrids</subject><subject>Interspecific hybridization</subject><subject>Jordbruksvetenskap</subject><subject>Leaves</subject><subject>Life Sciences</subject><subject>Musa</subject><subject>Phenotypic variations</subject><subject>Plant breeding</subject><subject>Plant Genetics and Genomics</subject><subject>Plant Pathology</subject><subject>Plant Physiology</subject><subject>Plant Sciences</subject><subject>Plants</subject><subject>Ploidy</subject><subject>Selective breeding</subject><subject>Tropical forests</subject><issn>0014-2336</issn><issn>1573-5060</issn><issn>1573-5060</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp1UU2LFDEQbUTBcfUHeAuI4CVrVafTH8dlWT9gxYueQzpdGbP0pNtUNzL_3vTMuIggRSiSvHq8eq8oXiNcI0DznhHqFiVgPrpV8vik2KFulNRQw9NiB4CVLJWqnxcvmB8AoGs07Ipwx0s42CXEvdhTpCU4Qd6TW1iEKPIPpWhHYeMg5j-XH3b0kkPPwqfpIBZakp3HKQxyCKcuXJqY6UTxZWUreJ5fFs-8HZleXfpV8f3D3bfbT_L-68fPtzf30lW6XiS2SjvsbNt1DWjdgQOtNBJ15FunfY3l0NleQY2-Uz1pWymbt9GgLXjs1FUhz7z8i-a1N3PK-6WjmWwwPK69TVszTEbpplUZ_-6Mn9P0cyVezCGwo3G0kaaVDULZQllVusrQN_9AH6Z1c2RDodIKq7bMqOszam9HMiH6Kdvjcg10CG6K5EN-v2mwgibXRovngZNrifyjZgSzpWvO6ZqcrtnSNcc88_YixbLLcSQbXeDHwVK3CE21iSkvbuSvuKf0t-T_kf8GXnq0gA</recordid><startdate>20120501</startdate><enddate>20120501</enddate><creator>Tenkouano, Abdou</creator><creator>Ortiz, Rodomiro</creator><creator>Vuylsteke, Dirk</creator><general>Springer Netherlands</general><general>Springer</general><general>Springer Nature B.V</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TM</scope><scope>7X2</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>M0K</scope><scope>M2P</scope><scope>M7N</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>RC3</scope><scope>ADTPV</scope><scope>AOWAS</scope></search><sort><creationdate>20120501</creationdate><title>Estimating genetic effects in maternal and paternal half-sibs from tetraploid-diploid crosses in Musa spp</title><author>Tenkouano, Abdou ; Ortiz, Rodomiro ; Vuylsteke, Dirk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c456t-1835c19a899705590c05351ee9ef8c5f612d9ab3061f93be5a43a009505a0f193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Agricultural Science</topic><topic>Agronomy. 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This study aimed to determine the components of genetic variance and the relative contribution of genetic effects to phenotypic variation of yield and phenological traits in secondary triploid hybrids from tetraploid–diploid crosses. The hybrids were evaluated in two consecutive growth cycles on a tropical forest site. Non-genetic effects accounted for a large fraction of the variation observed for most traits, except bunch weight. Partitioning of genetic variance into additive and dominance components confirmed the predominant role of additive genetic effects on the expression of bunch weight, fruit filling time, fruit length, plant height, and number of leaves while primarily non-additive effects accounted for suckering behavior and fruit circumference. Maternal general combining ability (GCA) effects accounted for the additive genetic variation in plant height and number of leaves, suggesting that selection for these traits should be carried out in tetraploid clones. Conversely, paternal GCA effects were the primary causes of genetic variation for fruit filling time, bunch weight, and fruit length, suggesting that these characters should be selected for in diploid clones. Specific combining ability (SCA) effects were observed for all traits, except fruit filling time, suggesting that additional genetic gain could be achieved through recombinative heterosis for these traits.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10681-011-0583-y</doi><tpages>7</tpages></addata></record> |
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| subjects | Agricultural Science Agronomy. Soil science and plant productions Biological and medical sciences Biomedical and Life Sciences Biotechnology Combining ability Diploids Dominance Fruits Fundamental and applied biological sciences. Psychology Genetic diversity Genetic effects Genetic improvement Genetic research Genetic variance Genetics and breeding of economic plants Genotype & phenotype Heterosis Hybridization Hybrids Interspecific hybridization Jordbruksvetenskap Leaves Life Sciences Musa Phenotypic variations Plant breeding Plant Genetics and Genomics Plant Pathology Plant Physiology Plant Sciences Plants Ploidy Selective breeding Tropical forests |
| title | Estimating genetic effects in maternal and paternal half-sibs from tetraploid-diploid crosses in Musa spp |
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