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Registro Completo |
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
22/05/2003 |
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Data da última atualização: |
22/05/2003 |
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Autoria: |
ZÁRATE, N. A. H.; VIEIRA, M. do C.; MINUZZI, A. |
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Título: |
Brotação de seis tipos de mudas dos clones de inhame roxo e mimoso. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Ciência e Agrotecnologia, Lavras, v. 26, n. 4, p. 699-704, out. 2002. |
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Idioma: |
Português |
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Palavras-Chave: |
Cará; Cultivar Mimoso; Cultivar Roxo; Propagação. |
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Thesagro: |
Brotacao; Clone; Inhame; Muda. |
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Thesaurus Nal: |
Dioscorea alata. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00647naa a2200241 a 4500
001 1773503
005 2003-05-22
008 2002 bl uuuu u00u1 u #d
100 1 $aZÁRATE, N. A. H.
245 $aBrotação de seis tipos de mudas dos clones de inhame roxo e mimoso.
260 $c2002
650 $aDioscorea alata
650 $aBrotacao
650 $aClone
650 $aInhame
650 $aMuda
653 $aCará
653 $aCultivar Mimoso
653 $aCultivar Roxo
653 $aPropagação
700 1 $aVIEIRA, M. do C.
700 1 $aMINUZZI, A.
773 $tCiência e Agrotecnologia, Lavras$gv. 26, n. 4, p. 699-704, out. 2002.
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Embrapa Hortaliças (CNPH) |
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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: |
17/02/2003 |
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Data da última atualização: |
17/02/2003 |
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Autoria: |
CHAKRABORTY, S.; FERNANDES, C. D.; CHARCHAR, M. J. d'A.; THOMAS, M. R. |
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Título: |
Pathogenic variation in Colletotrichum gloeosporioides infecting stylosanthes spp. in a center of diversity in Brazil. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Ecology and Population Biology, v. 92, n. 5, p. 553-562, 2002. |
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Idioma: |
Inglês |
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Conteúdo: |
Pathogenic variation in Colletotrichum gloeosporioides infecting species of the tropical pasture legume Stylosanthes at its center of diversity was determined from 296 isolates collected from wild host population and selected germ plasm of S. capitata, S. guianensis, S. scabra, and S. macrocephala in Brazil. A putative host differential set comprising 11 accessions was selected from a biossay of 18 isolates on 19 host accessions using principal component analysis. A similar analysis of anthracnose severity data for a subset of 195 isolates on the 11 differentials indicated that an adequate summary of pathogenic variation could be obtained using only five of these differentials. Of the five differentials. S- seabrana "Primar" was resistant and S. scabra "Fitzroy" was susceptible to most isolates. A cluster analysis was used to determine eight natural race clusters using the 195 isolates. Linear discriminant functions were developed of eight race clusters using the 195 isolates as the training data set, and these were applied tio classify a test data set of the remaining 101 isolates. All except 11 isolates of the test data set were classified into one of the eight race clusters. Over 10% of the 296 isolates were weakly pathogenic to all differentials and another 40% were virulent on just one differential. The unclassified isolates represent six new races with unique virulence combinations, of which one isolate is virulent on all five differentials. The majority of isolates came frm six field sites, and Shannon's index of diversity indicated considerable variation between sites. Pathogenic diversity was extensive at there sites where selected germ plasm were under evaluation, and complex race clusters and unclassified isolates representig new races were more prevalent at these sites compared with sites containing wild Stylosanthes populations. MenosPathogenic variation in Colletotrichum gloeosporioides infecting species of the tropical pasture legume Stylosanthes at its center of diversity was determined from 296 isolates collected from wild host population and selected germ plasm of S. capitata, S. guianensis, S. scabra, and S. macrocephala in Brazil. A putative host differential set comprising 11 accessions was selected from a biossay of 18 isolates on 19 host accessions using principal component analysis. A similar analysis of anthracnose severity data for a subset of 195 isolates on the 11 differentials indicated that an adequate summary of pathogenic variation could be obtained using only five of these differentials. Of the five differentials. S- seabrana "Primar" was resistant and S. scabra "Fitzroy" was susceptible to most isolates. A cluster analysis was used to determine eight natural race clusters using the 195 isolates. Linear discriminant functions were developed of eight race clusters using the 195 isolates as the training data set, and these were applied tio classify a test data set of the remaining 101 isolates. All except 11 isolates of the test data set were classified into one of the eight race clusters. Over 10% of the 296 isolates were weakly pathogenic to all differentials and another 40% were virulent on just one differential. The unclassified isolates represent six new races with unique virulence combinations, of which one isolate is virulent on all five differentials. The majority of isolates ca... Mostrar Tudo |
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Palavras-Chave: |
Brasil; Patologia vegetal; Stilosante. |
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Thesagro: |
Cerrado; Colletotrichum Gloeosporioides; Distribuição Geográfica; Variação Genética. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02614naa a2200241 a 4500
001 1566234
005 2003-02-17
008 2002 bl --- 0-- u #d
100 1 $aCHAKRABORTY, S.
245 $aPathogenic variation in Colletotrichum gloeosporioides infecting stylosanthes spp. in a center of diversity in Brazil.
260 $c2002
520 $aPathogenic variation in Colletotrichum gloeosporioides infecting species of the tropical pasture legume Stylosanthes at its center of diversity was determined from 296 isolates collected from wild host population and selected germ plasm of S. capitata, S. guianensis, S. scabra, and S. macrocephala in Brazil. A putative host differential set comprising 11 accessions was selected from a biossay of 18 isolates on 19 host accessions using principal component analysis. A similar analysis of anthracnose severity data for a subset of 195 isolates on the 11 differentials indicated that an adequate summary of pathogenic variation could be obtained using only five of these differentials. Of the five differentials. S- seabrana "Primar" was resistant and S. scabra "Fitzroy" was susceptible to most isolates. A cluster analysis was used to determine eight natural race clusters using the 195 isolates. Linear discriminant functions were developed of eight race clusters using the 195 isolates as the training data set, and these were applied tio classify a test data set of the remaining 101 isolates. All except 11 isolates of the test data set were classified into one of the eight race clusters. Over 10% of the 296 isolates were weakly pathogenic to all differentials and another 40% were virulent on just one differential. The unclassified isolates represent six new races with unique virulence combinations, of which one isolate is virulent on all five differentials. The majority of isolates came frm six field sites, and Shannon's index of diversity indicated considerable variation between sites. Pathogenic diversity was extensive at there sites where selected germ plasm were under evaluation, and complex race clusters and unclassified isolates representig new races were more prevalent at these sites compared with sites containing wild Stylosanthes populations.
650 $aCerrado
650 $aColletotrichum Gloeosporioides
650 $aDistribuição Geográfica
650 $aVariação Genética
653 $aBrasil
653 $aPatologia vegetal
653 $aStilosante
700 1 $aFERNANDES, C. D.
700 1 $aCHARCHAR, M. J. d'A.
700 1 $aTHOMAS, M. R.
773 $tEcology and Population Biology$gv. 92, n. 5, p. 553-562, 2002.
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