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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
25/11/1996 |
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Data da última atualização: |
29/11/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
HASHIM, I.; PEREIRA, J. C. R. |
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Afiliação: |
ISMAIL HASHIM, RRIM; JOSE CLERIO REZENDE PEREIRA, CPAA. |
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Título: |
Lesion size, latent period and sporulation on leaf discs as indicators of resistance of Hevea to Microcyclus ulei. |
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Ano de publicação: |
1989 |
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Fonte/Imprenta: |
Journal of Natural Rubber Research, v. 4, n. 1, p. 56-65, Mar. 1989. |
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Idioma: |
Inglês |
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Conteúdo: |
This study investigated lesion sizes, latent periods and sporulation of leaf discs as indicators of resistance of Hevea to Microcyclus ulei. There were clonal differences in the rate of development of mycelium and appearance of lesions, sizes of lesions, latent period and the quantity of conidia produced on discs of Hevea leaves. There was a positive correlation between conidial production and lesion size, and negative correlations existed between conidial production and latent period and lesion size and latent period. Latent period and sporulation are also important components for assessment of resistance. Clones GT 711, RRIM 501, CNS AM 7701, SIAL 842 and SIAL 263 possessed relatively smaller lesions, longer latent periods and reduced sporulation. On these clones, the differences in lesion size were significant between clonesbut not between races of Microcyclus ulei. However, diffences in conidial production between clones, races and the interaction between clones and races were significant. |
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Palavras-Chave: |
Bahia; Brasil; Fungal diseases; Resistance; Rubber tree; South American leaf blight; Species. |
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Thesagro: |
Doença; Espécie; Folha; Fungo; Hevea; Mal das Folhas; Microcyclus Ulei; Resistência; Seringueira. |
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Thesaurus Nal: |
fungi; leaves. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/187298/1/JournalNRR-v.4n.1-p.56-65.pdf
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Marc: |
LEADER 01925naa a2200349 a 4500
001 1667182
005 2018-11-29
008 1989 bl uuuu u00u1 u #d
100 1 $aHASHIM, I.
245 $aLesion size, latent period and sporulation on leaf discs as indicators of resistance of Hevea to Microcyclus ulei.
260 $c1989
520 $aThis study investigated lesion sizes, latent periods and sporulation of leaf discs as indicators of resistance of Hevea to Microcyclus ulei. There were clonal differences in the rate of development of mycelium and appearance of lesions, sizes of lesions, latent period and the quantity of conidia produced on discs of Hevea leaves. There was a positive correlation between conidial production and lesion size, and negative correlations existed between conidial production and latent period and lesion size and latent period. Latent period and sporulation are also important components for assessment of resistance. Clones GT 711, RRIM 501, CNS AM 7701, SIAL 842 and SIAL 263 possessed relatively smaller lesions, longer latent periods and reduced sporulation. On these clones, the differences in lesion size were significant between clonesbut not between races of Microcyclus ulei. However, diffences in conidial production between clones, races and the interaction between clones and races were significant.
650 $afungi
650 $aleaves
650 $aDoença
650 $aEspécie
650 $aFolha
650 $aFungo
650 $aHevea
650 $aMal das Folhas
650 $aMicrocyclus Ulei
650 $aResistência
650 $aSeringueira
653 $aBahia
653 $aBrasil
653 $aFungal diseases
653 $aResistance
653 $aRubber tree
653 $aSouth American leaf blight
653 $aSpecies
700 1 $aPEREIRA, J. C. R.
773 $tJournal of Natural Rubber Research$gv. 4, n. 1, p. 56-65, Mar. 1989.
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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| 111. |  | ARAÚJO, J. C. A.; PEREIRA, J. C. R.; GASPAROTTO, L. Avaliação da incidência e prevalência da antracnose do guaranazeiro no Amazonas. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 39., 2006, Salvador. A fitopatologia, o meio ambiente e a sustentabilidade. Fitopatologia Brasileira, v. 31, p. S240, ago. 2006. Suplemento. Resumo 0475.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Amazônia Ocidental. |
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| Registros recuperados : 652 | |
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