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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
10/12/2014 |
Data da última atualização: |
11/04/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
COSTA, R. V.; ZAMBOLIM, L.; COTA, L. V.; SILVA, D. D.; PARREIRA, D. F.; LANZA, F. E.; SOUZA, A. G. C. |
Afiliação: |
RODRIGO VERAS DA COSTA, CNPMS; LUCIANO VIANA COTA, CNPMS; DAGMA DIONISIA DA SILVA, CNPMS. |
Título: |
Pathotypes of colletotrichum sublineolum in response to sorghum populations with different levels of genetic diversity in Sete Lagoas-MG. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Journal of Phytopathology, Berlin, v. 163, p. 543-553, 2015. |
DOI: |
10.1111/jph.12352 |
Idioma: |
Inglês |
Conteúdo: |
Sorghum anthracnose is one of the most important and destructive diseases of sorghum. Genetic resistance has been the most efficient strategy to control the disease, but the high variability of the pathogen population in Brazil has resulted in only modest efficacy. Accordingly, we investigated the variability of Colletotrichum sublineolum in response to sorghum populations with three levels of genetic diversity: pure stand, three-way hybrids and physical mixtures of three-way hybrids. Six plots of each treatment were planted in different areas and at different dates. A total of 480 isolates, that is 40 single-conidium isolates perplot, were collected from the field experiment to characterize the variability of the pathogen in each host population. Isolates were inoculated in a greenhouse on a differential line set composed of eight sorghum inbred lines. Our results reveal that the pathogen populations derived from three-way combinations had higher pathotype diversity than did those derived from pure stand host populations. More complexly, virulent phenotypes were also developed in genetically diverse stands compared to pure stand host populations. The diversification of the host population limits pathogen adaptation, thus resulting in a significantly higher number of pathotypes. The results of this study will improve the management of sorghum anthracnose in the field by helping sorghum breeders maintain disease resistance. |
Thesagro: |
Antracnose; Doença fungica; Sorghum bicolor; Sorgo. |
Thesaurus Nal: |
Anthracnose; Genetic variation. |
Categoria do assunto: |
H Saúde e Patologia |
Marc: |
LEADER 02282naa a2200277 a 4500 001 2002119 005 2017-04-11 008 2015 bl uuuu u00u1 u #d 024 7 $a10.1111/jph.12352$2DOI 100 1 $aCOSTA, R. V. 245 $aPathotypes of colletotrichum sublineolum in response to sorghum populations with different levels of genetic diversity in Sete Lagoas-MG.$h[electronic resource] 260 $c2015 520 $aSorghum anthracnose is one of the most important and destructive diseases of sorghum. Genetic resistance has been the most efficient strategy to control the disease, but the high variability of the pathogen population in Brazil has resulted in only modest efficacy. Accordingly, we investigated the variability of Colletotrichum sublineolum in response to sorghum populations with three levels of genetic diversity: pure stand, three-way hybrids and physical mixtures of three-way hybrids. Six plots of each treatment were planted in different areas and at different dates. A total of 480 isolates, that is 40 single-conidium isolates perplot, were collected from the field experiment to characterize the variability of the pathogen in each host population. Isolates were inoculated in a greenhouse on a differential line set composed of eight sorghum inbred lines. Our results reveal that the pathogen populations derived from three-way combinations had higher pathotype diversity than did those derived from pure stand host populations. More complexly, virulent phenotypes were also developed in genetically diverse stands compared to pure stand host populations. The diversification of the host population limits pathogen adaptation, thus resulting in a significantly higher number of pathotypes. The results of this study will improve the management of sorghum anthracnose in the field by helping sorghum breeders maintain disease resistance. 650 $aAnthracnose 650 $aGenetic variation 650 $aAntracnose 650 $aDoença fungica 650 $aSorghum bicolor 650 $aSorgo 700 1 $aZAMBOLIM, L. 700 1 $aCOTA, L. V. 700 1 $aSILVA, D. D. 700 1 $aPARREIRA, D. F. 700 1 $aLANZA, F. E. 700 1 $aSOUZA, A. G. C. 773 $tJournal of Phytopathology, Berlin$gv. 163, p. 543-553, 2015.
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Embrapa Milho e Sorgo (CNPMS) |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Soja. Para informações adicionais entre em contato com valeria.cardoso@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
07/10/2021 |
Data da última atualização: |
17/03/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
MELLO, F. E. de; LOPES-CAITAR, V. S.; XAVIER-VALENCIO, S. A.; SILVA, H. P. da; FRANZENBURG, S.; MEHL, A.; ALEXANDER-VERREET, J.; BALBI-PEÑA, M. I.; MARCELINO-GUIMARÃES, F. C.; GODOY, C. V. |
Afiliação: |
FLÁVIA E. DE MELLO, Universidade estadual de Londrina, UEL, Londrina, PR.; VALÉRIA S. LOPES-CAITAR, University of Tennessee, Knoxville.; SHEILA A. XAVIER-VALENCIO, Universidade estadual de Londrina, UEL, Londrina, PR.; HELEN P. DA SILVA, Universidade estadual de Londrina, UEL, Londrina, PR.; SÖREN FRANZENBURG, University of Kiel, Kiel, Germany.; ANDREAS MEHL, Bayer AG, Division Crop Science, Monheim, Germany.; JOSEPH-ALEXANDER VERREET, University of Kiel, Kiel, Germany; MARIA I. BALBI-PEÑA, Universidade estadual de Londrina, UEL, Londrina, PR.; FRANCISMAR CORREA MARCELINO GUIMARA, CNPSO; CLAUDIA VIEIRA GODOY, CNPSO. |
Título: |
Resistance of Corynespora cassiicola from soybean to QoI and MBC fungicides in Brazil. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Plant Pathology, v. 71, p. 373-385, 2022. |
Idioma: |
Inglês |
Palavras-Chave: |
E198A; F200Y; G143A; Ponto alvo; Resistência cruzada; Target spot. |
Thesagro: |
Fungicida; Mutação; Resistência; Soja. |
Thesaurus NAL: |
Cross resistance; Fungicide resistance; Mutation; Soybeans. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
Marc: |
LEADER 01049naa a2200385 a 4500 001 2135146 005 2022-03-17 008 2022 bl uuuu u00u1 u #d 100 1 $aMELLO, F. E. de 245 $aResistance of Corynespora cassiicola from soybean to QoI and MBC fungicides in Brazil.$h[electronic resource] 260 $c2022 650 $aCross resistance 650 $aFungicide resistance 650 $aMutation 650 $aSoybeans 650 $aFungicida 650 $aMutação 650 $aResistência 650 $aSoja 653 $aE198A 653 $aF200Y 653 $aG143A 653 $aPonto alvo 653 $aResistência cruzada 653 $aTarget spot 700 1 $aLOPES-CAITAR, V. S. 700 1 $aXAVIER-VALENCIO, S. A. 700 1 $aSILVA, H. P. da 700 1 $aFRANZENBURG, S. 700 1 $aMEHL, A. 700 1 $aALEXANDER-VERREET, J. 700 1 $aBALBI-PEÑA, M. I. 700 1 $aMARCELINO-GUIMARÃES, F. C. 700 1 $aGODOY, C. V. 773 $tPlant Pathology$gv. 71, p. 373-385, 2022.
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