Exploitation of the late flowering species Brassica oleracea L. for the improvement of earliness in B. napus L.: an untraditional approach
The oilseed Brassica rapa flowers and matures earlier than B. oleracea, as well as their amphidiploid B. napus. Therefore, earliness of B. rapa has been investigated as a source of variation for earliness in B. napus breeding programs. Variation for days to flower exists in B. oleracea; however, its...
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| Veröffentlicht in: | Euphytica 2011-02, Vol.177 (3), p.365-374 |
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| creator | Rahman, M. Habibur Bennett, Rick A Yang, Rong-Cai Kebede, Berisso Thiagarajah, Mohan R |
| description | The oilseed Brassica rapa flowers and matures earlier than B. oleracea, as well as their amphidiploid B. napus. Therefore, earliness of B. rapa has been investigated as a source of variation for earliness in B. napus breeding programs. Variation for days to flower exists in B. oleracea; however, its earliest flowering variant B. alboglabra flowers 2-3 weeks later than B. napus. We hypothesized that the C genome of B. alboglabra carries alleles for early flowering which are different from the C-genome alleles of B. napus; and these alleles can be used for the improvement of B. napus. To test this, we examined flowering time in pedigree and DH populations from two B. napus × B. alboglabra crosses. A B. napus line with about a week earlier flowering than the B. napus parent was achieved through reconstitution of its C genome following pedigree selection. Introgression of the B. alboglabra allele in the early flowering pedigree lines is also evident from the presence of B. alboglabra-specific SSR alleles in this line. However, application of doubled haploidy failed to generate any line that flowered earlier than the B. napus parent, which is probably due to the difficulty of obtaining large numbers of euploid B. napus DH lines from this interspecific cross. Thus, we demonstrate that a trait of the diploid species, which apparently looks undesirable, might in fact be highly valuable for the improvement of amphidiploids; and knowledge from this research can also be applied for other traits. |
| doi_str_mv | 10.1007/s10681-010-0253-5 |
| format | Article |
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Habibur ; Bennett, Rick A ; Yang, Rong-Cai ; Kebede, Berisso ; Thiagarajah, Mohan R</creator><creatorcontrib>Rahman, M. Habibur ; Bennett, Rick A ; Yang, Rong-Cai ; Kebede, Berisso ; Thiagarajah, Mohan R</creatorcontrib><description>The oilseed Brassica rapa flowers and matures earlier than B. oleracea, as well as their amphidiploid B. napus. Therefore, earliness of B. rapa has been investigated as a source of variation for earliness in B. napus breeding programs. Variation for days to flower exists in B. oleracea; however, its earliest flowering variant B. alboglabra flowers 2-3 weeks later than B. napus. We hypothesized that the C genome of B. alboglabra carries alleles for early flowering which are different from the C-genome alleles of B. napus; and these alleles can be used for the improvement of B. napus. To test this, we examined flowering time in pedigree and DH populations from two B. napus × B. alboglabra crosses. A B. napus line with about a week earlier flowering than the B. napus parent was achieved through reconstitution of its C genome following pedigree selection. Introgression of the B. alboglabra allele in the early flowering pedigree lines is also evident from the presence of B. alboglabra-specific SSR alleles in this line. However, application of doubled haploidy failed to generate any line that flowered earlier than the B. napus parent, which is probably due to the difficulty of obtaining large numbers of euploid B. napus DH lines from this interspecific cross. Thus, we demonstrate that a trait of the diploid species, which apparently looks undesirable, might in fact be highly valuable for the improvement of amphidiploids; and knowledge from this research can also be applied for other traits.</description><identifier>ISSN: 0014-2336</identifier><identifier>EISSN: 1573-5060</identifier><identifier>DOI: 10.1007/s10681-010-0253-5</identifier><identifier>CODEN: EUPHAA</identifier><language>eng</language><publisher>Dordrecht: Dordrecht : Springer Netherlands</publisher><subject>Agronomy. Soil science and plant productions ; alleles ; amphidiploids ; artificial selection ; Biological and medical sciences ; Biomedical and Life Sciences ; Biotechnology ; Brassica napus ; Brassica oleracea var. alboglabra ; diploidy ; doubled haploids ; early development ; flowering ; Flowers ; Flowers & plants ; Fundamental and applied biological sciences. Psychology ; genetic markers ; Genetics and breeding of economic plants ; genome ; Genomes ; Genomics ; Haploidy, in vitro culture applications, somatic hybrids ; Hybridization ; Interspecific and intergeneric hybridization, introgressions ; interspecific hybridization ; introgression ; Life Sciences ; microsatellite repeats ; molecular sequence data ; pedigree ; phenology ; Plant biology ; plant breeding ; Plant breeding: fundamental aspects and methodology ; plant genetic resources ; Plant Genetics and Genomics ; Plant Pathology ; Plant Physiology ; Plant Sciences ; polyploidy ; rapeseed products ; Selective breeding</subject><ispartof>Euphytica, 2011-02, Vol.177 (3), p.365-374</ispartof><rights>Springer Science+Business Media B.V. 2010</rights><rights>2015 INIST-CNRS</rights><rights>COPYRIGHT 2011 Springer</rights><rights>Springer Science+Business Media B.V. 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c474t-ff1e457aa4f3156e909393340319415bc4d1a7c8e6dcdbc391981b768ffd54683</citedby><cites>FETCH-LOGICAL-c474t-ff1e457aa4f3156e909393340319415bc4d1a7c8e6dcdbc391981b768ffd54683</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/s10681-010-0253-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10681-010-0253-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23828629$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Rahman, M. Habibur</creatorcontrib><creatorcontrib>Bennett, Rick A</creatorcontrib><creatorcontrib>Yang, Rong-Cai</creatorcontrib><creatorcontrib>Kebede, Berisso</creatorcontrib><creatorcontrib>Thiagarajah, Mohan R</creatorcontrib><title>Exploitation of the late flowering species Brassica oleracea L. for the improvement of earliness in B. napus L.: an untraditional approach</title><title>Euphytica</title><addtitle>Euphytica</addtitle><description>The oilseed Brassica rapa flowers and matures earlier than B. oleracea, as well as their amphidiploid B. napus. Therefore, earliness of B. rapa has been investigated as a source of variation for earliness in B. napus breeding programs. Variation for days to flower exists in B. oleracea; however, its earliest flowering variant B. alboglabra flowers 2-3 weeks later than B. napus. We hypothesized that the C genome of B. alboglabra carries alleles for early flowering which are different from the C-genome alleles of B. napus; and these alleles can be used for the improvement of B. napus. To test this, we examined flowering time in pedigree and DH populations from two B. napus × B. alboglabra crosses. A B. napus line with about a week earlier flowering than the B. napus parent was achieved through reconstitution of its C genome following pedigree selection. Introgression of the B. alboglabra allele in the early flowering pedigree lines is also evident from the presence of B. alboglabra-specific SSR alleles in this line. However, application of doubled haploidy failed to generate any line that flowered earlier than the B. napus parent, which is probably due to the difficulty of obtaining large numbers of euploid B. napus DH lines from this interspecific cross. Thus, we demonstrate that a trait of the diploid species, which apparently looks undesirable, might in fact be highly valuable for the improvement of amphidiploids; and knowledge from this research can also be applied for other traits.</description><subject>Agronomy. Soil science and plant productions</subject><subject>alleles</subject><subject>amphidiploids</subject><subject>artificial selection</subject><subject>Biological and medical sciences</subject><subject>Biomedical and Life Sciences</subject><subject>Biotechnology</subject><subject>Brassica napus</subject><subject>Brassica oleracea var. alboglabra</subject><subject>diploidy</subject><subject>doubled haploids</subject><subject>early development</subject><subject>flowering</subject><subject>Flowers</subject><subject>Flowers & plants</subject><subject>Fundamental and applied biological sciences. 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Habibur</au><au>Bennett, Rick A</au><au>Yang, Rong-Cai</au><au>Kebede, Berisso</au><au>Thiagarajah, Mohan R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Exploitation of the late flowering species Brassica oleracea L. for the improvement of earliness in B. napus L.: an untraditional approach</atitle><jtitle>Euphytica</jtitle><stitle>Euphytica</stitle><date>2011-02-01</date><risdate>2011</risdate><volume>177</volume><issue>3</issue><spage>365</spage><epage>374</epage><pages>365-374</pages><issn>0014-2336</issn><eissn>1573-5060</eissn><coden>EUPHAA</coden><abstract>The oilseed Brassica rapa flowers and matures earlier than B. oleracea, as well as their amphidiploid B. napus. Therefore, earliness of B. rapa has been investigated as a source of variation for earliness in B. napus breeding programs. Variation for days to flower exists in B. oleracea; however, its earliest flowering variant B. alboglabra flowers 2-3 weeks later than B. napus. We hypothesized that the C genome of B. alboglabra carries alleles for early flowering which are different from the C-genome alleles of B. napus; and these alleles can be used for the improvement of B. napus. To test this, we examined flowering time in pedigree and DH populations from two B. napus × B. alboglabra crosses. A B. napus line with about a week earlier flowering than the B. napus parent was achieved through reconstitution of its C genome following pedigree selection. Introgression of the B. alboglabra allele in the early flowering pedigree lines is also evident from the presence of B. alboglabra-specific SSR alleles in this line. However, application of doubled haploidy failed to generate any line that flowered earlier than the B. napus parent, which is probably due to the difficulty of obtaining large numbers of euploid B. napus DH lines from this interspecific cross. Thus, we demonstrate that a trait of the diploid species, which apparently looks undesirable, might in fact be highly valuable for the improvement of amphidiploids; and knowledge from this research can also be applied for other traits.</abstract><cop>Dordrecht</cop><pub>Dordrecht : Springer Netherlands</pub><doi>10.1007/s10681-010-0253-5</doi><tpages>10</tpages></addata></record> |
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| subjects | Agronomy. Soil science and plant productions alleles amphidiploids artificial selection Biological and medical sciences Biomedical and Life Sciences Biotechnology Brassica napus Brassica oleracea var. alboglabra diploidy doubled haploids early development flowering Flowers Flowers & plants Fundamental and applied biological sciences. Psychology genetic markers Genetics and breeding of economic plants genome Genomes Genomics Haploidy, in vitro culture applications, somatic hybrids Hybridization Interspecific and intergeneric hybridization, introgressions interspecific hybridization introgression Life Sciences microsatellite repeats molecular sequence data pedigree phenology Plant biology plant breeding Plant breeding: fundamental aspects and methodology plant genetic resources Plant Genetics and Genomics Plant Pathology Plant Physiology Plant Sciences polyploidy rapeseed products Selective breeding |
| title | Exploitation of the late flowering species Brassica oleracea L. for the improvement of earliness in B. napus L.: an untraditional approach |
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