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Registro Completo |
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
31/07/1992 |
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Data da última atualização: |
31/07/1992 |
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Autoria: |
LIMA, J. E. O. de. |
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Título: |
Navel orange fruit drop: secondary-fruit ontogeny, physiological studies, and growth regulator effects |
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Ano de publicação: |
1983 |
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Fonte/Imprenta: |
Florida, USA: University of Florida, 1983 |
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Páginas: |
143 p. |
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Série: |
Tese Doutorado |
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Idioma: |
Inglês |
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Conteúdo: |
Navel orange (Citrus sinensis (L.) Osbeck) fruit drop, which ocurred after the fruit set period, was studied in 2 groves in the north central citrus region of Florida from 1979 to 1982. Fruit crop per year ranged from 63 to 200 fruit per tree. Major causes of drop were secondary-fruit yellowing *SFY), stylar-end decay (SED), and fruit splitting. These causes of fruit drop were related to the unusual structure of the stylar-end of navel orange, which encloses the secondary fruit. A spray application of 20 ppm 2,4-D 5 to 9 weeks after midbloom reduced SFY, but not other causes of fruit drop in the 1980 to 1982 seasons, and increased yield in 1981 with no adverse effect on fruit quality. Other 2,4-D, gibberellic acid (GA), or 2,4-D + GA sprays at or within 19 weeks of midbloom were less effective or ineffective. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01224nam a2200133 a 4500
001 1650701
005 1992-07-31
008 1983 bl uuuu m 00u1 u #d
100 1 $aLIMA, J. E. O. de
245 $aNavel orange fruit drop$bsecondary-fruit ontogeny, physiological studies, and growth regulator effects
260 $aFlorida, USA: University of Florida$c1983
300 $a143 p.
490 $aTese Doutorado
520 $aNavel orange (Citrus sinensis (L.) Osbeck) fruit drop, which ocurred after the fruit set period, was studied in 2 groves in the north central citrus region of Florida from 1979 to 1982. Fruit crop per year ranged from 63 to 200 fruit per tree. Major causes of drop were secondary-fruit yellowing *SFY), stylar-end decay (SED), and fruit splitting. These causes of fruit drop were related to the unusual structure of the stylar-end of navel orange, which encloses the secondary fruit. A spray application of 20 ppm 2,4-D 5 to 9 weeks after midbloom reduced SFY, but not other causes of fruit drop in the 1980 to 1982 seasons, and increased yield in 1981 with no adverse effect on fruit quality. Other 2,4-D, gibberellic acid (GA), or 2,4-D + GA sprays at or within 19 weeks of midbloom were less effective or ineffective.
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Registro original: |
Embrapa Mandioca e Fruticultura (CNPMF) |
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| Registros recuperados : 1.508 | |
| 104. |  | LIMA, J. A.; LOPES, J. F.; HORINO, Y. Comparacao do lixo tratado com duas fontes de esterco, na producao comercial de pepino (Cucumis sativus L.). In: CONGRESSO ANUAL DA SOCIEDADE AMERICANA DE CIENCIAS HORTICOLAS - REGIAO TROPICAL, 29.; CONGRESSO BRASILEIRO DE OLERICULTURA, 21., 1981, Campinas, SP. Programa e resumos... Campinas: SACH-RT / SOB / SBFPO / SBF, 1981. p.95.| Biblioteca(s): Embrapa Hortaliças. |
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| 119. | | LIMA, J. A. de S.; GAZEL FILHO, A. B. Características de uma população de Pithecellobium racemosum, Ducke, em uma floresta primária da Amazônia Oriental. In: SIMPÓSIO IBERO-AMERICANO DE GESTÃO E ECONOMIA FLORESTAL, 1., 2001, Porto Seguro, BA., p. 203. (Série Técnica IPEF, v. 14).| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Amapá. |
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| Registros recuperados : 1.508 | |
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