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Registro Completo |
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
01/03/2004 |
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Data da última atualização: |
14/05/2004 |
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Autoria: |
SOUZA, F. A. de; DECLERCK, S. |
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Título: |
Mycelium development and architecture, and spore production of Scutellospora reticulata in monoxenic culture with Ri T-DNA transformed carrot roots. |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
Mycologia, Bronx, v. 95, n. 6, p. 1004-1012, 2003. |
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Idioma: |
Inglês |
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Conteúdo: |
Mycelium development and architecture and spore production were studied in Scutellospora reticulata from single-spore isolates grown with Ri T- DNA transformed carrot root-organ culture in monoxenic system. Culture establishment, anastomosis occurrence and auxiliary cell development also were examined. Seventy percent of the pregerminated disinfected spores colonized the transformed carrot roots. After 8 mo, the average spore production was 56 (24-130) per 30 cm3 of medium. Of the spores produced, 75% germinated and produced new generations in monoxenic culture. The mycelium net- work was formed by thick light-brown hyphae, which exhibit two major architecture patterns related to either root colonization or resource exploitation, and lower-order hyphae, bearing auxiliary cells, branched absorbing structures (BAS) , hyphal swellings (HS) and forming anastomoses. BAS were formed abundantly in extramatrical mycelium and frequently had HS resembling vesicles, a feature not previously re- ported in the Gigasporaceae, to the best of our knowledge. Few anastomosis were observed within the mycelium and most often corresponded to a healing mechanism that form hypha bridges to reconnect broken hyphae or overcoming obstructed areas within a hypha. Numerous auxiliary cells were produced during culture development and their role was inferred.
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Palavras-Chave: |
Root; Scutellospora reticulata; Vesicular arbuscular mycorrhizal. |
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Thesagro: |
Cenoura; Micorriza Vesicular Arbuscular; Raiz. |
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Thesaurus Nal: |
carrots; roots; vesicular arbuscular mycorrhizae. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02102naa a2200241 a 4500
001 1625777
005 2004-05-14
008 2003 bl --- 0-- u #d
100 1 $aSOUZA, F. A. de
245 $aMycelium development and architecture, and spore production of Scutellospora reticulata in monoxenic culture with Ri T-DNA transformed carrot roots.
260 $c2003
520 $aMycelium development and architecture and spore production were studied in Scutellospora reticulata from single-spore isolates grown with Ri T- DNA transformed carrot root-organ culture in monoxenic system. Culture establishment, anastomosis occurrence and auxiliary cell development also were examined. Seventy percent of the pregerminated disinfected spores colonized the transformed carrot roots. After 8 mo, the average spore production was 56 (24-130) per 30 cm3 of medium. Of the spores produced, 75% germinated and produced new generations in monoxenic culture. The mycelium net- work was formed by thick light-brown hyphae, which exhibit two major architecture patterns related to either root colonization or resource exploitation, and lower-order hyphae, bearing auxiliary cells, branched absorbing structures (BAS) , hyphal swellings (HS) and forming anastomoses. BAS were formed abundantly in extramatrical mycelium and frequently had HS resembling vesicles, a feature not previously re- ported in the Gigasporaceae, to the best of our knowledge. Few anastomosis were observed within the mycelium and most often corresponded to a healing mechanism that form hypha bridges to reconnect broken hyphae or overcoming obstructed areas within a hypha. Numerous auxiliary cells were produced during culture development and their role was inferred.
650 $acarrots
650 $aroots
650 $avesicular arbuscular mycorrhizae
650 $aCenoura
650 $aMicorriza Vesicular Arbuscular
650 $aRaiz
653 $aRoot
653 $aScutellospora reticulata
653 $aVesicular arbuscular mycorrhizal
700 1 $aDECLERCK, S.
773 $tMycologia, Bronx$gv. 95, n. 6, p. 1004-1012, 2003.
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Registro original: |
Embrapa Agrobiologia (CNPAB) |
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Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
19/03/2024 |
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Data da última atualização: |
08/04/2024 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
GASPAROTTO, L.; PEREIRA, J. C. R.; PEREIRA, M. C. N.; COSTA, M. M. da. |
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Afiliação: |
LUADIR GASPAROTTO, CPAA; JOSE CLERIO REZENDE PEREIRA, CPAA; MIRZA CARLA NORMANDO PEREIRA, CPAA. |
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Título: |
Avaliação de fungicidas no controle da Sigatoka Negra da bananeira. |
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Ano de publicação: |
2000 |
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Fonte/Imprenta: |
Fitopatologia Brasileira, v. 25, p. 375, ago. 2000. Suplemento. |
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Idioma: |
Português |
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Notas: |
Edição dos resumos do 33º Congresso Brasileiro de Fitopatologia, 2000. Resumo 277. |
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Thesagro: |
Fungicida. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1162959/1/F.B-RES-276277278-PAG-375.pdf
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Marc: |
LEADER 00553nam a2200157 a 4500
001 2162959
005 2024-04-08
008 2000 bl uuuu u00u1 u #d
100 1 $aGASPAROTTO, L.
245 $aAvaliação de fungicidas no controle da Sigatoka Negra da bananeira.
260 $aFitopatologia Brasileira, v. 25, p. 375, ago. 2000. Suplemento.$c2000
500 $aEdição dos resumos do 33º Congresso Brasileiro de Fitopatologia, 2000. Resumo 277.
650 $aFungicida
700 1 $aPEREIRA, J. C. R.
700 1 $aPEREIRA, M. C. N.
700 1 $aCOSTA, M. M. da
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Embrapa Amazônia Ocidental (CPAA) |
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