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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
28/11/2018 |
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Data da última atualização: |
28/11/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PASSOS, A. L.; MUNIZ, D. H. de F.; OLIVEIRA FILHO, E. C. de. |
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Afiliação: |
ANA LUIZA LITZ PASSOS, UNB; DAPHNE HELOISA DE FREITAS MUNIZ, CPAC; EDUARDO CYRINO DE OLIVEIRA FILHO, CPAC. |
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Título: |
Critérios para avaliação da qualidade de água no Brasil: um questionamento sobre os parâmetros utilizados. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Fronteiras: Journal of Social, Tecnological and Environmental Science, v. 7, n. 2, 2018. |
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Páginas: |
p. 209-303 |
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Idioma: |
Português |
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Palavras-Chave: |
CONAMA; Uso da água. |
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Thesagro: |
Legislação; Qualidade da Água. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187221/1/eduardo-criterios-para-avaliacao-da-qualidade.pdf
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Marc: |
LEADER 00625naa a2200193 a 4500
001 2100262
005 2018-11-28
008 2018 bl uuuu u00u1 u #d
100 1 $aPASSOS, A. L.
245 $aCritérios para avaliação da qualidade de água no Brasil$bum questionamento sobre os parâmetros utilizados.
260 $c2018
300 $ap. 209-303
650 $aLegislação
650 $aQualidade da Água
653 $aCONAMA
653 $aUso da água
700 1 $aMUNIZ, D. H. de F.
700 1 $aOLIVEIRA FILHO, E. C. de
773 $tFronteiras: Journal of Social, Tecnological and Environmental Science$gv. 7, n. 2, 2018.
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Embrapa Cerrados (CPAC) |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
06/10/2017 |
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Data da última atualização: |
15/11/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
SOUZA, E. H. de; VERSIEUX, L. M.; SOUZA, F. V. D.; ROSSI, M. L.; COSTA, M. A. P. de C.; MARTINELLI, A. P. |
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Afiliação: |
EVERTON HILO DE SOUZA, USP; LEONARDO M. VERSIEUX, UFRN; FERNANDA VIDIGAL DUARTE SOUZA, CNPMF; MONICA LANZONI ROSSI, USP; MARIA ANGÉLICA PEREIRA DE CARVALHO COSTA, UFRB; ADRIANA PINHEIRO MARTINELLI, USP. |
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Título: |
Interspecific and intergeneric hybridization in Bromeliaceae and their relationships to breeding systems. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
Scientia Horticulturae, N.223, p.53-61, 2017. |
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Idioma: |
Inglês |
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Conteúdo: |
Plant hybridization allows for the creation of new genotypes playing a strategic role in the development of new cultivars of interest for the horticultural trade, and is a central phenomenon in plant speciation processes. We worked with a plant family known as a case of Neotropical adaptive radiation, characterizing the reproductive systems selected species. This study aimed to identify the reproductive systems of sixteen bromeliad species, and to evaluate potential reproductive barriers in interspecific and intergeneric crosses. A total of 931 interspecific and intergeneric hybridization crosses were conducted in 80 different combinations involving 16 species belonging to five genera Aechmea, Ananas, Pseudananas, Alcantarea, and Vriesea. Reproductive systems were determined by controlled pollinations, and autogamy or self-incompatibility indexes. Fluorescence microscopy was used to evaluate pollen tube growth in the pistil. Seed germination was evaluated for each treatment. Over half of the species showed evidences of self-incompatibility: Aechmea bicolor, Ae. fasciata, Ae. nudicaulis, Ananas ananassoides, An. bracteatus, An. lucidus, An. parguazensis, Vriesea carinata, and V. paraibica. Among the selfcompatible species, Ae. bromeliifolia, Ae. distichantha, and Pseudananas sagenarius presented autogamy. Alcantarea nahoumii, V. friburgensis, V. michaelii, and V. simplex exhibited no autogamy thus requiring pollinators. Agamospermy was observed in Ae. bromeliifolia, and Ae. distichantha. Crosses were successful in 43% of the attempts, corresponding to 32% of the species of the Ananas genus. Among the intergeneric crosses, only V. michaelii x Al. nahoumii and V. simplex x Al. nahoumii succeeded. Possible causes of self-incompatibility and incongruity in these crosses are related to different impediments to the pollen tube growth, such as an irregular deposition of callose on pollen tube; curling and arrest of pollen tube growth in the style, among others. It is suggested that the self-incompatibility is gametophytic, avoiding self-fertilization. MenosPlant hybridization allows for the creation of new genotypes playing a strategic role in the development of new cultivars of interest for the horticultural trade, and is a central phenomenon in plant speciation processes. We worked with a plant family known as a case of Neotropical adaptive radiation, characterizing the reproductive systems selected species. This study aimed to identify the reproductive systems of sixteen bromeliad species, and to evaluate potential reproductive barriers in interspecific and intergeneric crosses. A total of 931 interspecific and intergeneric hybridization crosses were conducted in 80 different combinations involving 16 species belonging to five genera Aechmea, Ananas, Pseudananas, Alcantarea, and Vriesea. Reproductive systems were determined by controlled pollinations, and autogamy or self-incompatibility indexes. Fluorescence microscopy was used to evaluate pollen tube growth in the pistil. Seed germination was evaluated for each treatment. Over half of the species showed evidences of self-incompatibility: Aechmea bicolor, Ae. fasciata, Ae. nudicaulis, Ananas ananassoides, An. bracteatus, An. lucidus, An. parguazensis, Vriesea carinata, and V. paraibica. Among the selfcompatible species, Ae. bromeliifolia, Ae. distichantha, and Pseudananas sagenarius presented autogamy. Alcantarea nahoumii, V. friburgensis, V. michaelii, and V. simplex exhibited no autogamy thus requiring pollinators. Agamospermy was observed in Ae. bromeliifolia, and Ae. d... Mostrar Tudo |
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Thesagro: |
Bromélia; Bromeliaceae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02698naa a2200205 a 4500
001 2076828
005 2017-11-15
008 2017 bl uuuu u00u1 u #d
100 1 $aSOUZA, E. H. de
245 $aInterspecific and intergeneric hybridization in Bromeliaceae and their relationships to breeding systems.$h[electronic resource]
260 $c2017
520 $aPlant hybridization allows for the creation of new genotypes playing a strategic role in the development of new cultivars of interest for the horticultural trade, and is a central phenomenon in plant speciation processes. We worked with a plant family known as a case of Neotropical adaptive radiation, characterizing the reproductive systems selected species. This study aimed to identify the reproductive systems of sixteen bromeliad species, and to evaluate potential reproductive barriers in interspecific and intergeneric crosses. A total of 931 interspecific and intergeneric hybridization crosses were conducted in 80 different combinations involving 16 species belonging to five genera Aechmea, Ananas, Pseudananas, Alcantarea, and Vriesea. Reproductive systems were determined by controlled pollinations, and autogamy or self-incompatibility indexes. Fluorescence microscopy was used to evaluate pollen tube growth in the pistil. Seed germination was evaluated for each treatment. Over half of the species showed evidences of self-incompatibility: Aechmea bicolor, Ae. fasciata, Ae. nudicaulis, Ananas ananassoides, An. bracteatus, An. lucidus, An. parguazensis, Vriesea carinata, and V. paraibica. Among the selfcompatible species, Ae. bromeliifolia, Ae. distichantha, and Pseudananas sagenarius presented autogamy. Alcantarea nahoumii, V. friburgensis, V. michaelii, and V. simplex exhibited no autogamy thus requiring pollinators. Agamospermy was observed in Ae. bromeliifolia, and Ae. distichantha. Crosses were successful in 43% of the attempts, corresponding to 32% of the species of the Ananas genus. Among the intergeneric crosses, only V. michaelii x Al. nahoumii and V. simplex x Al. nahoumii succeeded. Possible causes of self-incompatibility and incongruity in these crosses are related to different impediments to the pollen tube growth, such as an irregular deposition of callose on pollen tube; curling and arrest of pollen tube growth in the style, among others. It is suggested that the self-incompatibility is gametophytic, avoiding self-fertilization.
650 $aBromélia
650 $aBromeliaceae
700 1 $aVERSIEUX, L. M.
700 1 $aSOUZA, F. V. D.
700 1 $aROSSI, M. L.
700 1 $aCOSTA, M. A. P. de C.
700 1 $aMARTINELLI, A. P.
773 $tScientia Horticulturae, N.223, p.53-61, 2017.
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