The difference between breeding for nutrient use efficiency and for nutrient stress tolerance

Detalhes bibliográficos
Autor(a) principal: Maia,Ciro
Data de Publicação: 2011
Outros Autores: DoVale,Júlio César, Fritsche-Neto,Roberto, Cavatte,Paulo Cezar, Miranda,Glauco Vieira
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=S1984-70332011000300010
Resumo: This study aimed to verify the relationship between breeding for tolerance to low levels of soil nutrients and for nutrient use efficiency in tropical maize. Fifteen inbred lines were evaluated in two greenhouse experiments under contrasting levels of N and P. The relationship between nutritional efficiency and tolerance to nutritional stress was estimated by the Spearman ranking correlation between the genotypes for the traits related to N and P use efficiency and phenotypic plasticity indices. The lack of relationship between the traits, in magnitude as well as significance, indicates that these characters are controlled by different gene groups. Consequently, simultaneous selection for both nutrient use efficiency and tolerance to nutritional stress is possible, if the mechanisms that confer efficiency and tolerance are not competitive.
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spelling The difference between breeding for nutrient use efficiency and for nutrient stress toleranceplant breedingabiotic stressZea mays LThis study aimed to verify the relationship between breeding for tolerance to low levels of soil nutrients and for nutrient use efficiency in tropical maize. Fifteen inbred lines were evaluated in two greenhouse experiments under contrasting levels of N and P. The relationship between nutritional efficiency and tolerance to nutritional stress was estimated by the Spearman ranking correlation between the genotypes for the traits related to N and P use efficiency and phenotypic plasticity indices. The lack of relationship between the traits, in magnitude as well as significance, indicates that these characters are controlled by different gene groups. Consequently, simultaneous selection for both nutrient use efficiency and tolerance to nutritional stress is possible, if the mechanisms that confer efficiency and tolerance are not competitive.Crop Breeding and Applied Biotechnology2011-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332011000300010Crop Breeding and Applied Biotechnology v.11 n.3 2011reponame:Crop Breeding and Applied Biotechnologyinstname:Sociedade Brasileira de Melhoramento de Plantasinstacron:CBAB10.1590/S1984-70332011000300010info:eu-repo/semantics/openAccessMaia,CiroDoVale,Júlio CésarFritsche-Neto,RobertoCavatte,Paulo CezarMiranda,Glauco Vieiraeng2011-10-17T00:00:00Zoai:scielo:S1984-70332011000300010Revistahttps://cbab.sbmp.org.br/#ONGhttps://old.scielo.br/oai/scielo-oai.phpcbabjournal@gmail.com||cbab@ufv.br1984-70331518-7853opendoar:2011-10-17T00:00Crop Breeding and Applied Biotechnology - Sociedade Brasileira de Melhoramento de Plantasfalse
dc.title.none.fl_str_mv The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
title The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
spellingShingle The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
Maia,Ciro
plant breeding
abiotic stress
Zea mays L
title_short The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
title_full The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
title_fullStr The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
title_full_unstemmed The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
title_sort The difference between breeding for nutrient use efficiency and for nutrient stress tolerance
author Maia,Ciro
author_facet Maia,Ciro
DoVale,Júlio César
Fritsche-Neto,Roberto
Cavatte,Paulo Cezar
Miranda,Glauco Vieira
author_role author
author2 DoVale,Júlio César
Fritsche-Neto,Roberto
Cavatte,Paulo Cezar
Miranda,Glauco Vieira
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Maia,Ciro
DoVale,Júlio César
Fritsche-Neto,Roberto
Cavatte,Paulo Cezar
Miranda,Glauco Vieira
dc.subject.por.fl_str_mv plant breeding
abiotic stress
Zea mays L
topic plant breeding
abiotic stress
Zea mays L
description This study aimed to verify the relationship between breeding for tolerance to low levels of soil nutrients and for nutrient use efficiency in tropical maize. Fifteen inbred lines were evaluated in two greenhouse experiments under contrasting levels of N and P. The relationship between nutritional efficiency and tolerance to nutritional stress was estimated by the Spearman ranking correlation between the genotypes for the traits related to N and P use efficiency and phenotypic plasticity indices. The lack of relationship between the traits, in magnitude as well as significance, indicates that these characters are controlled by different gene groups. Consequently, simultaneous selection for both nutrient use efficiency and tolerance to nutritional stress is possible, if the mechanisms that confer efficiency and tolerance are not competitive.
publishDate 2011
dc.date.none.fl_str_mv 2011-09-01
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=S1984-70332011000300010
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1984-70332011000300010
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1984-70332011000300010
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.11 n.3 2011
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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