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Registro Completo |
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
26/11/1997 |
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Data da última atualização: |
11/07/2023 |
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Autoria: |
FIGUEIRA, J. E. C.; VASCONCELOS NETO, J.; GARCIA, M. A.; SOUZA, A. L. T. de. |
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Título: |
Saurocory in Melocactus violaceus (Cactaceae). |
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Ano de publicação: |
1994 |
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Fonte/Imprenta: |
Biotropica, v. 26, n. 3, p. 295-301, 1994. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The button cactus, Melocactus violaceus (Cactaceae), occurs in open, sandy soils in southern Brazilian coastal areas. The fruits of this species are pink, cone-shaped, and have a high water content and low sugar concentration. The fruits of M. violaceus develop while completely protected inside the cephalium and are driven out by internal pressure when ripe. Fruits can be exposed in only a few minutes during the hottest part of the day, and they become easily visible over the cephalium. They are expelled more quickly when temperature is high and lizards are more active. During the dry season these fruits appear to be eaten exclusively by the lizard Tropidurus torquatus (Tropiduridae). The cephalium is positioned close to soil level and the bright color of the fruits apparently improves fruit detection. Lizards defecate viable M. violaceus seeds. These seeds germinated quickly under laboratory conditions, while seeds collected directly from ripe fruits did not germinate under the same conditions. Cactus and fruit morphology, and the diurnal pattern of fruit release, may represent a suite of adaptations for dispersal by Tropidurus torquatus. |
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Palavras-Chave: |
Cactacea. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 01634naa a2200169 a 4500
001 1523833
005 2023-07-11
008 1994 bl uuuu u00u1 u #d
100 1 $aFIGUEIRA, J. E. C.
245 $aSaurocory in Melocactus violaceus (Cactaceae).$h[electronic resource]
260 $c1994
520 $aAbstract: The button cactus, Melocactus violaceus (Cactaceae), occurs in open, sandy soils in southern Brazilian coastal areas. The fruits of this species are pink, cone-shaped, and have a high water content and low sugar concentration. The fruits of M. violaceus develop while completely protected inside the cephalium and are driven out by internal pressure when ripe. Fruits can be exposed in only a few minutes during the hottest part of the day, and they become easily visible over the cephalium. They are expelled more quickly when temperature is high and lizards are more active. During the dry season these fruits appear to be eaten exclusively by the lizard Tropidurus torquatus (Tropiduridae). The cephalium is positioned close to soil level and the bright color of the fruits apparently improves fruit detection. Lizards defecate viable M. violaceus seeds. These seeds germinated quickly under laboratory conditions, while seeds collected directly from ripe fruits did not germinate under the same conditions. Cactus and fruit morphology, and the diurnal pattern of fruit release, may represent a suite of adaptations for dispersal by Tropidurus torquatus.
653 $aCactacea
700 1 $aVASCONCELOS NETO, J.
700 1 $aGARCIA, M. A.
700 1 $aSOUZA, A. L. T. de
773 $tBiotropica$gv. 26, n. 3, p. 295-301, 1994.
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Embrapa Caprinos e Ovinos (CNPC) |
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| Registros recuperados : 2 | |
| 1. |  | COSTA, M. G. C.; GONÇALVES, L. P.; MARTINS, C. P. S.; PEDROSA, A. M.; PEREIRA, S. L. S.; OLIVEIRA, T. M.; CIDADE, L. C.; CAMILLO, L. R.; GESTEIRA, A. da S.; COELHO FILHO, M. A.; SOARES FILHO, W. dos S. Transcriptional regulation of drought response and tolerance in citrus and strategies for development of drought-tolerant transgenic rootstocks. In: INTERNATIONAL CITRUS CONGRESS, 2016, Foz do Iguaçu. Abstract book. Campinas: IAC; Londrina: IAPAR, 2016. p.149. S14-56.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| 2. | | COSTA, M. G. C.; CIDADE, L. C.; OLIVEIRA, T. M. de; MARTINS, C. P. S.; MENDES, A. F. S.; PEREIRA, S. L. S.; PEDROSA, A. M.; GESTEIRA, A. da S.; GIRARDI, E. A.; COELHO FILHO, M. A.; SOARES FILHO, W. dos S.; MACHADO, M. A. Characterization of genes associated with two agronomically important traits in citrus: drought tolerance and fruit color. In: INTERNATIONAL CITRUS CONGRESS, 22., 2012.Valencia. Book of abstracts. Valencia: International Society of Citriculture; Instituto Valenciano de Investigaciones Agrarias; Fundación Agroalimed, 2012. Documento eletrônico.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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| Registros recuperados : 2 | |
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