Genetic manipulation of starch content in roots, on the phenology of cotton

Detalhes bibliográficos
Autor(a) principal: Souza, José Gomes de
Data de Publicação: 1992
Outros Autores: Silva, Jorge Vieira da
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/3772
Resumo: Breeding by recurrent selection for high and low starch content in roots of cotton (Gossypium hirsutum L.r. latifolium Hutch.) had profound phenological consequences. Earliness, the size of bolls and the yield of seed cotton per unit of leaf area are increased in the high starch line and decreased in the low starch. Number of branches, height of first fruiting node, height of plant, leaf area and number of bolls are decreased in high root starch and increased in low root starch. It seems that manipulation of root sink strength has affected carbohydrate partition and patterns of growth. The physiological and agronomical consequences of these modifications are discussed.
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spelling Genetic manipulation of starch content in roots, on the phenology of cottonInfluência de manipulação genética do teor de acumulação de amido na raiz sobre a fenologia do algodãosource, sink, reserves, morphologyfonte, dreno, reservas, morfologiaBreeding by recurrent selection for high and low starch content in roots of cotton (Gossypium hirsutum L.r. latifolium Hutch.) had profound phenological consequences. Earliness, the size of bolls and the yield of seed cotton per unit of leaf area are increased in the high starch line and decreased in the low starch. Number of branches, height of first fruiting node, height of plant, leaf area and number of bolls are decreased in high root starch and increased in low root starch. It seems that manipulation of root sink strength has affected carbohydrate partition and patterns of growth. The physiological and agronomical consequences of these modifications are discussed.A produção por seleção recorrente de linhas com teor elevado ou baixo de amido nas raízes do algodoeiro (Gossypium hirsutum L.r. latifolium Hutch.) teve profundas conseqüências fenológicas. A precocidade, tamanho das cápsulas e produção de algodão em caroço por unidade de superfície foliar, foram aumentadas na linha alto amido, diminuídos na linha baixo amido. O número de ramos, a altura do primeiro nó frutífero, a altura da planta, a área foliar e o número de cápsulas são reduzidos pela seleção para alto amido e aumentados na linha baixo amido. A manipulação do dreno-raiz parece, assim, ter afetado a partição de carboidratos e as relações de crescimento. Discutem-se as conseqüências fisiológicas e agronômicas destas modificações.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraSouza, José Gomes deSilva, Jorge Vieira da1992-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/3772Pesquisa Agropecuaria Brasileira; v.27, n.9, set. 1992; 1303-1309Pesquisa Agropecuária Brasileira; v.27, n.9, set. 1992; 1303-13091678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/3772/1063info:eu-repo/semantics/openAccess2012-02-14T12:27:58Zoai:ojs.seer.sct.embrapa.br:article/3772Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2012-02-14T12:27:58Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Genetic manipulation of starch content in roots, on the phenology of cotton
Influência de manipulação genética do teor de acumulação de amido na raiz sobre a fenologia do algodão
title Genetic manipulation of starch content in roots, on the phenology of cotton
spellingShingle Genetic manipulation of starch content in roots, on the phenology of cotton
Souza, José Gomes de
source, sink, reserves, morphology
fonte, dreno, reservas, morfologia
title_short Genetic manipulation of starch content in roots, on the phenology of cotton
title_full Genetic manipulation of starch content in roots, on the phenology of cotton
title_fullStr Genetic manipulation of starch content in roots, on the phenology of cotton
title_full_unstemmed Genetic manipulation of starch content in roots, on the phenology of cotton
title_sort Genetic manipulation of starch content in roots, on the phenology of cotton
author Souza, José Gomes de
author_facet Souza, José Gomes de
Silva, Jorge Vieira da
author_role author
author2 Silva, Jorge Vieira da
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Souza, José Gomes de
Silva, Jorge Vieira da
dc.subject.por.fl_str_mv source, sink, reserves, morphology
fonte, dreno, reservas, morfologia
topic source, sink, reserves, morphology
fonte, dreno, reservas, morfologia
description Breeding by recurrent selection for high and low starch content in roots of cotton (Gossypium hirsutum L.r. latifolium Hutch.) had profound phenological consequences. Earliness, the size of bolls and the yield of seed cotton per unit of leaf area are increased in the high starch line and decreased in the low starch. Number of branches, height of first fruiting node, height of plant, leaf area and number of bolls are decreased in high root starch and increased in low root starch. It seems that manipulation of root sink strength has affected carbohydrate partition and patterns of growth. The physiological and agronomical consequences of these modifications are discussed.
publishDate 1992
dc.date.none.fl_str_mv 1992-09-01
dc.type.none.fl_str_mv
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/3772
url https://seer.sct.embrapa.br/index.php/pab/article/view/3772
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/3772/1063
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.27, n.9, set. 1992; 1303-1309
Pesquisa Agropecuária Brasileira; v.27, n.9, set. 1992; 1303-1309
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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