Genetic base of Brazilian irrigated rice cultivars

Detalhes bibliográficos
Autor(a) principal: Rabelo,Hudson de Oliveira
Data de Publicação: 2015
Outros Autores: Guimarães,João Filipi Rodrigues, Pinheiro,José Baldin, Silva,Edson Ferreira da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Crop Breeding and Applied Biotechnology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332015000300146
Resumo: The aim of this study was to estimate the genetic base of Brazilian irrigated rice cultivars released in the period from 1965 to 2012. The genealogies of the cultivars were obtained based on information from marketing folders, websites, crossings records, and scientific articles. The following factors were calculated: relative genetic contribution (RGC), accumulated genetic contribution (AGC), frequency (in percentage) of each ancestor in the genealogy (FAG), number of ancestors that constitute each cultivar (NAC), number of ancestors responsible for 60%, 70%, 80% and 90% of the genetic base (NAGB), and average number of ancestor per cultivar (ANAC). The cultivars were also grouped based on the period of release (1965-1980, 1981-1990, 1991-2000 and 2001-2012). For each grouping, the previously described factors were also estimated. A total of 110 cultivars were studied and it was concluded that the genetic base of Brazilian irrigated rice cultivars is narrow.
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spelling Genetic base of Brazilian irrigated rice cultivarsOryza sativarelative genetic contributionaccumulated genetic contributiongenealogiesgenetic vulnerabilityThe aim of this study was to estimate the genetic base of Brazilian irrigated rice cultivars released in the period from 1965 to 2012. The genealogies of the cultivars were obtained based on information from marketing folders, websites, crossings records, and scientific articles. The following factors were calculated: relative genetic contribution (RGC), accumulated genetic contribution (AGC), frequency (in percentage) of each ancestor in the genealogy (FAG), number of ancestors that constitute each cultivar (NAC), number of ancestors responsible for 60%, 70%, 80% and 90% of the genetic base (NAGB), and average number of ancestor per cultivar (ANAC). The cultivars were also grouped based on the period of release (1965-1980, 1981-1990, 1991-2000 and 2001-2012). For each grouping, the previously described factors were also estimated. A total of 110 cultivars were studied and it was concluded that the genetic base of Brazilian irrigated rice cultivars is narrow.Crop Breeding and Applied Biotechnology2015-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332015000300146Crop Breeding and Applied Biotechnology v.15 n.3 2015reponame:Crop Breeding and Applied Biotechnologyinstname:Sociedade Brasileira de Melhoramento de Plantasinstacron:CBAB10.1590/1984-70332015v15n3a26info:eu-repo/semantics/openAccessRabelo,Hudson de OliveiraGuimarães,João Filipi RodriguesPinheiro,José BaldinSilva,Edson Ferreira daeng2015-09-29T00:00:00Zoai:scielo:S1984-70332015000300146Revistahttps://cbab.sbmp.org.br/#ONGhttps://old.scielo.br/oai/scielo-oai.phpcbabjournal@gmail.com||cbab@ufv.br1984-70331518-7853opendoar:2015-09-29T00:00Crop Breeding and Applied Biotechnology - Sociedade Brasileira de Melhoramento de Plantasfalse
dc.title.none.fl_str_mv Genetic base of Brazilian irrigated rice cultivars
title Genetic base of Brazilian irrigated rice cultivars
spellingShingle Genetic base of Brazilian irrigated rice cultivars
Rabelo,Hudson de Oliveira
Oryza sativa
relative genetic contribution
accumulated genetic contribution
genealogies
genetic vulnerability
title_short Genetic base of Brazilian irrigated rice cultivars
title_full Genetic base of Brazilian irrigated rice cultivars
title_fullStr Genetic base of Brazilian irrigated rice cultivars
title_full_unstemmed Genetic base of Brazilian irrigated rice cultivars
title_sort Genetic base of Brazilian irrigated rice cultivars
author Rabelo,Hudson de Oliveira
author_facet Rabelo,Hudson de Oliveira
Guimarães,João Filipi Rodrigues
Pinheiro,José Baldin
Silva,Edson Ferreira da
author_role author
author2 Guimarães,João Filipi Rodrigues
Pinheiro,José Baldin
Silva,Edson Ferreira da
author2_role author
author
author
dc.contributor.author.fl_str_mv Rabelo,Hudson de Oliveira
Guimarães,João Filipi Rodrigues
Pinheiro,José Baldin
Silva,Edson Ferreira da
dc.subject.por.fl_str_mv Oryza sativa
relative genetic contribution
accumulated genetic contribution
genealogies
genetic vulnerability
topic Oryza sativa
relative genetic contribution
accumulated genetic contribution
genealogies
genetic vulnerability
description The aim of this study was to estimate the genetic base of Brazilian irrigated rice cultivars released in the period from 1965 to 2012. The genealogies of the cultivars were obtained based on information from marketing folders, websites, crossings records, and scientific articles. The following factors were calculated: relative genetic contribution (RGC), accumulated genetic contribution (AGC), frequency (in percentage) of each ancestor in the genealogy (FAG), number of ancestors that constitute each cultivar (NAC), number of ancestors responsible for 60%, 70%, 80% and 90% of the genetic base (NAGB), and average number of ancestor per cultivar (ANAC). The cultivars were also grouped based on the period of release (1965-1980, 1981-1990, 1991-2000 and 2001-2012). For each grouping, the previously described factors were also estimated. A total of 110 cultivars were studied and it was concluded that the genetic base of Brazilian irrigated rice cultivars is narrow.
publishDate 2015
dc.date.none.fl_str_mv 2015-09-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332015000300146
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332015000300146
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1984-70332015v15n3a26
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Crop Breeding and Applied Biotechnology
publisher.none.fl_str_mv Crop Breeding and Applied Biotechnology
dc.source.none.fl_str_mv Crop Breeding and Applied Biotechnology v.15 n.3 2015
reponame:Crop Breeding and Applied Biotechnology
instname:Sociedade Brasileira de Melhoramento de Plantas
instacron:CBAB
instname_str Sociedade Brasileira de Melhoramento de Plantas
instacron_str CBAB
institution CBAB
reponame_str Crop Breeding and Applied Biotechnology
collection Crop Breeding and Applied Biotechnology
repository.name.fl_str_mv Crop Breeding and Applied Biotechnology - Sociedade Brasileira de Melhoramento de Plantas
repository.mail.fl_str_mv cbabjournal@gmail.com||cbab@ufv.br
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