|
Registro Completo |
|
Biblioteca(s): |
Embrapa Soja. |
|
Data corrente: |
22/02/2005 |
|
Data da última atualização: |
09/05/2025 |
|
Tipo da produção científica: |
Artigo em Periódico Indexado |
|
Autoria: |
SINCLAIR, T. R.; NEUMAIER, N.; FARIAS, J. R. B.; NEPOMUCENO, A. L. |
|
Afiliação: |
UNIVERSITY OF FLORIDA; NORMAN NEUMAIER, CNPSO; JOSE RENATO BOUCAS FARIAS, CNPSO; ALEXANDRE LIMA NEPOMUCENO, CNPSO. |
|
Título: |
Comparison of vegetative development in soybean cultivars for low-latitude environments. |
|
Ano de publicação: |
2005 |
|
Fonte/Imprenta: |
Field Crops Research, v. 92, n. 1, p. 53-59 , Apr. 2005. |
|
DOI: |
10.1016/j.fcr.2004.08.008 |
|
Idioma: |
Inglês |
|
Conteúdo: |
Soybean production has been expanded into northern Brazil by the introduction of long-juvenile genes. These genes cause flowering to be delayed but specific changes in the sensitivity of plant development to temperature and photoperiod have not been resolved in these commercial cultivars. This study was undertaken to resolve possible changes in long-juvenile plants associated with rates of plant emergence, leaf appearance, and flowering. Eight cultivars, including three long-juvenile cultivars, were sown each week throughout a year in a plastic greenhouse so that the plants would develop under differing temperature and photoperiod. While there were differences among cultivars in the cumulative temperature required for plant emergence and the rate of leaf appearance, these differences were not necessarily associated with the long-juvenile trait. An extended duration to flowering was confirmed for the three long-juvenile cultivars but this delay was not associated with any difference in sensitivity to temperature and photoperiod. The trait that distinguished the long-juvenile cultivars was a much lower maximum development rate towards flowering than that found in the other cultivars. However, cultivar differences were identified among the long-juvenile cultivars indicating the possibility of further selection of genotypes to fit specific environments in low-latitude regions |
|
Thesagro: |
Floração; Soja. |
|
Thesaurus Nal: |
Flowering; Soybeans. |
|
Categoria do assunto: |
X Pesquisa, Tecnologia e Engenharia |
|
Marc: |
LEADER 02029naa a2200217 a 4500
001 1467795
005 2025-05-09
008 2005 bl uuuu u00u1 u #d
024 7 $a10.1016/j.fcr.2004.08.008$2DOI
100 1 $aSINCLAIR, T. R.
245 $aComparison of vegetative development in soybean cultivars for low-latitude environments.$h[electronic resource]
260 $c2005
520 $aSoybean production has been expanded into northern Brazil by the introduction of long-juvenile genes. These genes cause flowering to be delayed but specific changes in the sensitivity of plant development to temperature and photoperiod have not been resolved in these commercial cultivars. This study was undertaken to resolve possible changes in long-juvenile plants associated with rates of plant emergence, leaf appearance, and flowering. Eight cultivars, including three long-juvenile cultivars, were sown each week throughout a year in a plastic greenhouse so that the plants would develop under differing temperature and photoperiod. While there were differences among cultivars in the cumulative temperature required for plant emergence and the rate of leaf appearance, these differences were not necessarily associated with the long-juvenile trait. An extended duration to flowering was confirmed for the three long-juvenile cultivars but this delay was not associated with any difference in sensitivity to temperature and photoperiod. The trait that distinguished the long-juvenile cultivars was a much lower maximum development rate towards flowering than that found in the other cultivars. However, cultivar differences were identified among the long-juvenile cultivars indicating the possibility of further selection of genotypes to fit specific environments in low-latitude regions
650 $aFlowering
650 $aSoybeans
650 $aFloração
650 $aSoja
700 1 $aNEUMAIER, N.
700 1 $aFARIAS, J. R. B.
700 1 $aNEPOMUCENO, A. L.
773 $tField Crops Research$gv. 92, n. 1, p. 53-59 , Apr. 2005.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Soja (CNPSO) |
|
