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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
18/08/2000 |
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Data da última atualização: |
18/09/2006 |
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Autoria: |
ROSEGRANT, M. W.; AGCAOILI-SOMBILLA, M.; PEREZ, N. D. |
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Título: |
Global food projections to 2020: implications for investment. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Washington: International Food Policy Research Institute, 1995. |
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Páginas: |
54p. |
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Série: |
(Food, Agriculture, and the Environment Discussion Paper, 5). |
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Idioma: |
Inglês |
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Conteúdo: |
Model structure and baseline assumptions; Results of baseline projections; Alternative global scenarios; Conclusions. |
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Palavras-Chave: |
Economic policies; Food; Investment. |
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Thesagro: |
Alimento; Investimento; Política Econômica; Segurança Alimentar. |
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Thesaurus Nal: |
food security. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00852nam a2200253 a 4500
001 1449597
005 2006-09-18
008 1995 bl uuuu 00u1 u #d
100 1 $aROSEGRANT, M. W.
245 $aGlobal food projections to 2020$bimplications for investment.
260 $aWashington: International Food Policy Research Institute$c1995
300 $a54p.
490 $a(Food, Agriculture, and the Environment Discussion Paper, 5).
520 $aModel structure and baseline assumptions; Results of baseline projections; Alternative global scenarios; Conclusions.
650 $afood security
650 $aAlimento
650 $aInvestimento
650 $aPolítica Econômica
650 $aSegurança Alimentar
653 $aEconomic policies
653 $aFood
653 $aInvestment
700 1 $aAGCAOILI-SOMBILLA, M.
700 1 $aPEREZ, N. D.
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Registro original: |
Embrapa Soja (CNPSO) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
14/11/2016 |
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Data da última atualização: |
14/11/2016 |
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Autoria: |
SOUZA, I. R. P. de; MACADAM, J. W. |
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Afiliação: |
ISABEL REGINA PRAZERES DE SOUZA, CNPMS; Jennifer W. MacAdam, Utah State University. |
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Título: |
Gibberellic acid and dwarfism effects on the growth dynamics of B73 maize (Zea mays L.) leaf blades: a transient increase in apoplastic peroxidase activity precedes cessation of cell elongation. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Journal of Experimental Botany, London, v. 52, n. 361, p. 1673-1682, Aug. 2001. |
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Idioma: |
Inglês |
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Conteúdo: |
The relationship between apoplastic peroxidase (EC 1.11.1.7) activity and cessation of growth in maize) Zea mays L.) leaf blades was investigated by altering elongation zone length. Apoplastic peroxidase activity in the elongation and secondary cell wall deposition zones of elongating leaf blades of the maize inbred line B73 was used as a control and compared to leaves of the dwarf mutant D8-81127, a near-isogenic line of B73 unresponsive to gibberellins, and to leaves of B73 plants to which gibberellic acid (GA 3) had been applied via root uptake. Elongation zone length was increased by treatment with GA 3 through an increase in cell number as well as increased final cell length. The shorter elongation zone of dwarf leaves occurred primarily through reduced final cell length. Although elongation zone length differed among dwarf, control, and GA 3 -treated leaf blades, in all three treatments a transient increase in apoplastic peroxidase activity preceded a reduction in the segmental elongation rate in leaves. A peroxidase isoenzyme with p I7.0 occurred in the leaf elongation zone during growth deceleration in all three treatments, and its activity decreased as growth displaced tissue into the region of secondary cell wall deposition. Growth cessation for all treatments coincided with the first appearance of peroxidase isozymes with pIs of 5.6 and 5.7. Based on the activity of particular isozymes relative to growth and differentiation, the p I7.0 isoenzyme is most likely to be involved in cessation of cell elongation, while isozymes with pIs 5.6 and 5.7 are likely to be active in lignification. MenosThe relationship between apoplastic peroxidase (EC 1.11.1.7) activity and cessation of growth in maize) Zea mays L.) leaf blades was investigated by altering elongation zone length. Apoplastic peroxidase activity in the elongation and secondary cell wall deposition zones of elongating leaf blades of the maize inbred line B73 was used as a control and compared to leaves of the dwarf mutant D8-81127, a near-isogenic line of B73 unresponsive to gibberellins, and to leaves of B73 plants to which gibberellic acid (GA 3) had been applied via root uptake. Elongation zone length was increased by treatment with GA 3 through an increase in cell number as well as increased final cell length. The shorter elongation zone of dwarf leaves occurred primarily through reduced final cell length. Although elongation zone length differed among dwarf, control, and GA 3 -treated leaf blades, in all three treatments a transient increase in apoplastic peroxidase activity preceded a reduction in the segmental elongation rate in leaves. A peroxidase isoenzyme with p I7.0 occurred in the leaf elongation zone during growth deceleration in all three treatments, and its activity decreased as growth displaced tissue into the region of secondary cell wall deposition. Growth cessation for all treatments coincided with the first appearance of peroxidase isozymes with pIs of 5.6 and 5.7. Based on the activity of particular isozymes relative to growth and differentiation, the p I7.0 isoenzyme is most likely to ... Mostrar Tudo |
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Thesagro: |
Ácido giberelico; Milho; Peroxidase. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02260naa a2200169 a 4500
001 2056344
005 2016-11-14
008 2001 bl uuuu u00u1 u #d
100 1 $aSOUZA, I. R. P. de
245 $aGibberellic acid and dwarfism effects on the growth dynamics of B73 maize (Zea mays L.) leaf blades$ba transient increase in apoplastic peroxidase activity precedes cessation of cell elongation.$h[electronic resource]
260 $c2001
520 $aThe relationship between apoplastic peroxidase (EC 1.11.1.7) activity and cessation of growth in maize) Zea mays L.) leaf blades was investigated by altering elongation zone length. Apoplastic peroxidase activity in the elongation and secondary cell wall deposition zones of elongating leaf blades of the maize inbred line B73 was used as a control and compared to leaves of the dwarf mutant D8-81127, a near-isogenic line of B73 unresponsive to gibberellins, and to leaves of B73 plants to which gibberellic acid (GA 3) had been applied via root uptake. Elongation zone length was increased by treatment with GA 3 through an increase in cell number as well as increased final cell length. The shorter elongation zone of dwarf leaves occurred primarily through reduced final cell length. Although elongation zone length differed among dwarf, control, and GA 3 -treated leaf blades, in all three treatments a transient increase in apoplastic peroxidase activity preceded a reduction in the segmental elongation rate in leaves. A peroxidase isoenzyme with p I7.0 occurred in the leaf elongation zone during growth deceleration in all three treatments, and its activity decreased as growth displaced tissue into the region of secondary cell wall deposition. Growth cessation for all treatments coincided with the first appearance of peroxidase isozymes with pIs of 5.6 and 5.7. Based on the activity of particular isozymes relative to growth and differentiation, the p I7.0 isoenzyme is most likely to be involved in cessation of cell elongation, while isozymes with pIs 5.6 and 5.7 are likely to be active in lignification.
650 $aÁcido giberelico
650 $aMilho
650 $aPeroxidase
700 1 $aMACADAM, J. W.
773 $tJournal of Experimental Botany, London$gv. 52, n. 361, p. 1673-1682, Aug. 2001.
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Embrapa Milho e Sorgo (CNPMS) |
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