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Registro Completo |
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Biblioteca(s): |
Embrapa Acre; Embrapa Amapá; Embrapa Amazônia Ocidental; Embrapa Unidades Centrais. |
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Data corrente: |
11/09/1995 |
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Data da última atualização: |
02/05/2023 |
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Tipo da produção científica: |
Comunicado Técnico/Recomendações Técnicas |
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Autoria: |
CASTRO, F. de A. |
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Afiliação: |
FRANCISCO DE ASSIS CASTRO, CPAF-AC. |
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Título: |
Processos de enxertia em seringueira, Hevea spp. na microrregião Alto Purus. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Rio Branco, AC: Embrapa-UEPAE Rio Branco, 1978. |
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Páginas: |
6 p. |
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Série: |
(Embrapa-UEPAE Rio Branco. Comunicado técnico, 2). |
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Idioma: |
Português |
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Conteúdo: |
A enxertia é a operação principal na instalação da cultura de seringueira. Tem como objetivo substituir o caule de uma seringueira nascida de sementes com qualidades inferiores por outro material denominado "Clone", possuidor de bons caracteres já estudados e conhecidos. Esse estudo nos deu condições de confrontar em termos de percentagem de pega os novos métodos de enxertia, comparados com o método enxertia convencional. Pretedemos com isso abrir novas perspectivas de estudo para esta atividade componente da dinâmica da implantação de um seringal de cultivo. |
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Palavras-Chave: |
Acre; Alto Purus; Amazonia Occidental; Amazônia Ocidental; Brasil; Grafting; Hevea spp; Injerto (plantas); Reproducción de las plantas; Rubber tree; Ruber tree; Western Amazon. |
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Thesagro: |
Caucho; Enxerto; Hevea Brasiliensis; Reprodução Vegetal; Seringueira; Seringueira do Para. |
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Thesaurus Nal: |
Brazil; Grafting (plants); Plant reproduction. |
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Categoria do assunto: |
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K Ciência Florestal e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/164893/1/1028.pdf
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Marc: |
LEADER 01630nam a2200385 a 4500
001 1492284
005 2023-05-02
008 1978 bl uuuu u0uu1 u #d
100 1 $aCASTRO, F. de A.
245 $aProcessos de enxertia em seringueira, Hevea spp. na microrregião Alto Purus.
260 $aRio Branco, AC: Embrapa-UEPAE Rio Branco$c1978
300 $a6 p.
490 $a(Embrapa-UEPAE Rio Branco. Comunicado técnico, 2).
520 $aA enxertia é a operação principal na instalação da cultura de seringueira. Tem como objetivo substituir o caule de uma seringueira nascida de sementes com qualidades inferiores por outro material denominado "Clone", possuidor de bons caracteres já estudados e conhecidos. Esse estudo nos deu condições de confrontar em termos de percentagem de pega os novos métodos de enxertia, comparados com o método enxertia convencional. Pretedemos com isso abrir novas perspectivas de estudo para esta atividade componente da dinâmica da implantação de um seringal de cultivo.
650 $aBrazil
650 $aGrafting (plants)
650 $aPlant reproduction
650 $aCaucho
650 $aEnxerto
650 $aHevea Brasiliensis
650 $aReprodução Vegetal
650 $aSeringueira
650 $aSeringueira do Para
653 $aAcre
653 $aAlto Purus
653 $aAmazonia Occidental
653 $aAmazônia Ocidental
653 $aBrasil
653 $aGrafting
653 $aHevea spp
653 $aInjerto (plantas)
653 $aReproducción de las plantas
653 $aRubber tree
653 $aRuber tree
653 $aWestern Amazon
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Registro original: |
Embrapa Acre (CPAF-AC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Cerrados. Para informações adicionais entre em contato com cpac.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
25/05/2009 |
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Data da última atualização: |
24/02/2010 |
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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: |
OLIVEIRA-FILHO, E. C.; GRISOLIA, C. K.; PAUMGARTTEN, F. J. R. |
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Afiliação: |
Eduardo Cyrino Oliveira-Filho, CPAC; Cesar Koppe Grisolia, UnB; Francisco José Roma Paumgartten, Fiocruz. |
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Título: |
Effects of endosulfan and ethanol on the reproduction of the snail Biomphalaria tenagophila: a multigeneration study. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Chemosphere, v. 75, p. 398-404, 2009. |
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Idioma: |
Inglês |
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Conteúdo: |
Endosulfan (END) is an insecticide used in agriculture and as a wood preservative. Since END is practically insoluble in water, ethanol (ETOH) is often employed as a carrier solvent to spike in the test medium in aquatic toxicity assays. In this study were investigated the effects of END and ETOH on the reproduction of the freshwater snail Biomphalaria tenagophila exposed over three successive generations. END (0, 0.001, 0.01, 0.1 mg l -1) was dissolved in the medium water using ETOH (up to 19.8 mg L -1) as carrier solvent. ETOH (19.8, 198, 1980 mg L -1) alone was tested as well. Adult snails (Fo-generation) were exposed to END and ETOH for 8 weeks. The F1-generation continued to be exposed from embryo to reproductive maturity, while their descendants (F2) were exposed until day 10 after spawning. Effects on the fecundity (8-week production of eggs and egg-masses) of mature Fo and F1 snails were evaluated. Developmental toxicity was investigated in F1, and F2 embryos. END at the highest level tested (0.1 mg L -1) inhibited egg production by Fo and F1 snails. ETOH at levels >=198 mg L -1 also reduced fecundity of Fo and F1, an effect that was apparently aggravated by exposure over successive generations. END 0.1 mh L 1- increased mortality and malformations and decreased hatching among F1 embryos. ETOH drastically reduced the proportion of hatchings among F2 embryos. The study-derived NOECs (no-observed-effect-concentrations) for END was 0.01 mg L -1 (reduction in fecundity), and for ETOH were 19.8 mh L -1 for reduction in fecundity and <19.8 mg L -1 for developmental toxicity (hatching retardation). MenosEndosulfan (END) is an insecticide used in agriculture and as a wood preservative. Since END is practically insoluble in water, ethanol (ETOH) is often employed as a carrier solvent to spike in the test medium in aquatic toxicity assays. In this study were investigated the effects of END and ETOH on the reproduction of the freshwater snail Biomphalaria tenagophila exposed over three successive generations. END (0, 0.001, 0.01, 0.1 mg l -1) was dissolved in the medium water using ETOH (up to 19.8 mg L -1) as carrier solvent. ETOH (19.8, 198, 1980 mg L -1) alone was tested as well. Adult snails (Fo-generation) were exposed to END and ETOH for 8 weeks. The F1-generation continued to be exposed from embryo to reproductive maturity, while their descendants (F2) were exposed until day 10 after spawning. Effects on the fecundity (8-week production of eggs and egg-masses) of mature Fo and F1 snails were evaluated. Developmental toxicity was investigated in F1, and F2 embryos. END at the highest level tested (0.1 mg L -1) inhibited egg production by Fo and F1 snails. ETOH at levels >=198 mg L -1 also reduced fecundity of Fo and F1, an effect that was apparently aggravated by exposure over successive generations. END 0.1 mh L 1- increased mortality and malformations and decreased hatching among F1 embryos. ETOH drastically reduced the proportion of hatchings among F2 embryos. The study-derived NOECs (no-observed-effect-concentrations) for END was 0.01 mg L -1 (reduction in fecundity),... Mostrar Tudo |
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Palavras-Chave: |
Ecotoxicologia. |
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Thesagro: |
Inseticida. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02144naa a2200169 a 4500
001 1558319
005 2010-02-24
008 2009 bl --- 0-- u #d
100 1 $aOLIVEIRA-FILHO, E. C.
245 $aEffects of endosulfan and ethanol on the reproduction of the snail Biomphalaria tenagophila$ba multigeneration study.
260 $c2009
520 $aEndosulfan (END) is an insecticide used in agriculture and as a wood preservative. Since END is practically insoluble in water, ethanol (ETOH) is often employed as a carrier solvent to spike in the test medium in aquatic toxicity assays. In this study were investigated the effects of END and ETOH on the reproduction of the freshwater snail Biomphalaria tenagophila exposed over three successive generations. END (0, 0.001, 0.01, 0.1 mg l -1) was dissolved in the medium water using ETOH (up to 19.8 mg L -1) as carrier solvent. ETOH (19.8, 198, 1980 mg L -1) alone was tested as well. Adult snails (Fo-generation) were exposed to END and ETOH for 8 weeks. The F1-generation continued to be exposed from embryo to reproductive maturity, while their descendants (F2) were exposed until day 10 after spawning. Effects on the fecundity (8-week production of eggs and egg-masses) of mature Fo and F1 snails were evaluated. Developmental toxicity was investigated in F1, and F2 embryos. END at the highest level tested (0.1 mg L -1) inhibited egg production by Fo and F1 snails. ETOH at levels >=198 mg L -1 also reduced fecundity of Fo and F1, an effect that was apparently aggravated by exposure over successive generations. END 0.1 mh L 1- increased mortality and malformations and decreased hatching among F1 embryos. ETOH drastically reduced the proportion of hatchings among F2 embryos. The study-derived NOECs (no-observed-effect-concentrations) for END was 0.01 mg L -1 (reduction in fecundity), and for ETOH were 19.8 mh L -1 for reduction in fecundity and <19.8 mg L -1 for developmental toxicity (hatching retardation).
650 $aInseticida
653 $aEcotoxicologia
700 1 $aGRISOLIA, C. K.
700 1 $aPAUMGARTTEN, F. J. R.
773 $tChemosphere$gv. 75, p. 398-404, 2009.
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