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Registro Completo |
Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Unidades Centrais. |
Data corrente: |
27/06/1995 |
Data da última atualização: |
10/09/2004 |
Autoria: |
VALLE, R. R.; ALMEIDA, A. A. F. de. |
Título: |
Growth Reduction effects of Paclobutrazol Applied at Different Cacao Seedling Stages. |
Ano de publicação: |
1991 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, V.26, n.11/12, p.1911-1917, nov/dez. 1991 |
Idioma: |
Inglês Português |
Conteúdo: |
The effects of paclobutrazol on the morphological and growth characteristics of caco (Theobroma cacao L.) seedlings were evaluated. The experiment was arranged in four randomized blocks in a split-plot lay-out. Main plots were assigned to growth stages (mature cotyledonary leaves, first, second and third flushes) and sub-plots to paclobutrazol dosages (0,30, and 60 ppm). Periodic measurements were taken of stem diameter, height and leaf number. At the end of the experiment leaf area and dry weights of root, stem and leaves were obtained. In general, paclobutrazol decreased diameter, height, leaf number and leaf area in all concentrations. The effect depended on concentration and stage of growth. Dry weight of all plant parts decreased with the application of paclobutrazol. The highest root, stem and leaf dry weight reductions, 74%, 82% and 77%, respectively, were found at the 60 ppm-cotyledonary stage treatment. The lowest reduction was at the 60 ppm-third flush combination (22%, 38% and 39% for root, stem and leaf, respectively). There was more partitioing of assimilates to roots than to shoots in most of the treatment combinations. |
Palavras-Chave: |
assimilate partitioning; triazole. |
Thesagro: |
Cacau; Fisiologia; Theobroma Cacao. |
Thesaurus Nal: |
growth regulators. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/AI-SEDE/21302/1/pab12_novdez_91.pdf
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Marc: |
LEADER 01763naa a2200205 a 4500 001 1106194 005 2004-09-10 008 1991 bl uuuu u00u1 u #d 100 1 $aVALLE, R. R. 245 $aGrowth Reduction effects of Paclobutrazol Applied at Different Cacao Seedling Stages. 260 $c1991 520 $aThe effects of paclobutrazol on the morphological and growth characteristics of caco (Theobroma cacao L.) seedlings were evaluated. The experiment was arranged in four randomized blocks in a split-plot lay-out. Main plots were assigned to growth stages (mature cotyledonary leaves, first, second and third flushes) and sub-plots to paclobutrazol dosages (0,30, and 60 ppm). Periodic measurements were taken of stem diameter, height and leaf number. At the end of the experiment leaf area and dry weights of root, stem and leaves were obtained. In general, paclobutrazol decreased diameter, height, leaf number and leaf area in all concentrations. The effect depended on concentration and stage of growth. Dry weight of all plant parts decreased with the application of paclobutrazol. The highest root, stem and leaf dry weight reductions, 74%, 82% and 77%, respectively, were found at the 60 ppm-cotyledonary stage treatment. The lowest reduction was at the 60 ppm-third flush combination (22%, 38% and 39% for root, stem and leaf, respectively). There was more partitioing of assimilates to roots than to shoots in most of the treatment combinations. 650 $agrowth regulators 650 $aCacau 650 $aFisiologia 650 $aTheobroma Cacao 653 $aassimilate partitioning 653 $atriazole 700 1 $aALMEIDA, A. A. F. de 773 $tPesquisa Agropecuária Brasileira, Brasília, V.26$gn.11/12, p.1911-1917, nov/dez. 1991
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Embrapa Unidades Centrais (AI-SEDE) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
17/11/1995 |
Data da última atualização: |
28/10/2004 |
Autoria: |
GARCIA, A. |
Afiliação: |
EMBRAPA-CNPSo. Londrina, PR. |
Título: |
Estudo sobre epoca de semeadura de girassol. |
Ano de publicação: |
1982 |
Fonte/Imprenta: |
In: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa de girassol 1982. Londrina, 1982. |
Páginas: |
p.10-17. |
Idioma: |
Português |
Palavras-Chave: |
Brasil; Conti-sol; Cordobes; Cultivar Cargill 33; Estanzuela 75; Guayacan; Parana; Peredovick; Sunflower; Variety. |
Thesagro: |
Época de Semeadura; Fisiologia; Girassol; Helianthus Annuus. |
Thesaurus NAL: |
Brazil; physiology; sowing date. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00859naa a2200325 a 4500 001 1452536 005 2004-10-28 008 1982 bl uuuu u00u1 u #d 100 1 $aGARCIA, A. 245 $aEstudo sobre epoca de semeadura de girassol. 260 $c1982 300 $ap.10-17. 650 $aBrazil 650 $aphysiology 650 $asowing date 650 $aÉpoca de Semeadura 650 $aFisiologia 650 $aGirassol 650 $aHelianthus Annuus 653 $aBrasil 653 $aConti-sol 653 $aCordobes 653 $aCultivar Cargill 33 653 $aEstanzuela 75 653 $aGuayacan 653 $aParana 653 $aPeredovick 653 $aSunflower 653 $aVariety 773 $tIn: EMBRAPA. Centro Nacional de Pesquisa de Soja (Londrina, PR). Resultados de pesquisa de girassol 1982. Londrina, 1982.
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