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| Registros recuperados : 224 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Trigo. Para informações adicionais entre em contato com cnpt.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
04/03/2022 |
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Data da última atualização: |
04/03/2022 |
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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: |
VICENTINI, S. N. C.; CASADO, P. S.; CARVALHO, G. de; MOREIRA, S. I.; DORIGAN, A. F.; SILVA, T. C.; SILVA, A. G. da; CUSTÓDIO, A. A. de P.; GOMES, A. C. dos S.; MACIEL, J. L. N.; HAWKINS, N.; MCDONALD, B. A.; FRAAIJE, B. A.; CERESINI, P. C. |
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Afiliação: |
SAMARA N. C. VICENTINI, UNESP; PRISCILA S. CASADO, UNESP; GISELLE DE CARVALHO, UNESP; SILVINO I. MOREIRA, UNESP; ADRIANO F. DORIGAN, UFLA; TATIANE CARLA SILVA, UNESP; ABIMAEL GOMES DA SILVA, UNESP; ADRIANO AUGUSTO DE PAIVA CUSTÓDIO, IAPAR; ANA CAROLINA DOS SANTOS GOMES, UNESP; JOAO LEODATO NUNES MACIEL, CNPT; NICHOLA HAWKINS, National Institute of Agricultural Botany; BRUCE A. MCDONALD, Plant Pathology Group; BART A. FRAAIJE, National Institute of Agricultural Botany; PAULO C. CERESINI, UNESP. |
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Título: |
Monitoring of Brazilian wheat blast field populations reveals resistance to QoI, DMI, and SDHI fungicides. |
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Edição: |
, |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Plant Pathology, v. 71, n. 2, p. 304-321, 2021. |
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DOI: |
https://doi.org/10.1111/ppa.13470 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Wheat blast is one of the most important and devastating fungal diseases of wheat in South America, South-east Asia, and now in southern Africa. The disease can reduce grain yield by up to 70% and is best controlled using integrated disease management strategies. The difficulty in disease management is compounded by the lack of durable host resistance and the ineffectiveness of fungicide sprays. New succinate dehydrogenase inhibitor (SDHI) fungicides were recently introduced for the management of wheat diseases. Brazilian field populations of the wheat blast pathogen Pyricularia oryzae Triticum lineage (PoTI) sampled from different georgraphical regions in 2012and 2018 were shown to be resistant to both QoI (strobilurin) and DMI (azole) fungicides. The main objective of the current study was to determine the SDHI baseline sensitivity in these populations. Moderate levels of SDHI resistance were detected in five out of the six field populations sampled in 2012 and in most of the strains isolated in 2018. No association was found between target site mutations in the sdhB, sdhC, and sdhD genes and the levels of SDHI resistance, indicating that a pre-existing resistance mechanism not associated with target site mutations is probably present in Brazilian wheat blast populations. |
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Palavras-Chave: |
Carboxiami; Fluxapiroxade; Fluxapyroxad; Linhagem Pyricularia oryzae Triticum; Non target site resistance; Pyricularia oryzae Triticum; Resistência a fungicidas; Resistência do local não-alvo; Second-generation carboxamides; Succinate dehydrogenase inhibitors. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02613naa a2200421 a 4500
001 2140558
005 2022-03-04
008 2021 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/ppa.13470$2DOI
100 1 $aVICENTINI, S. N. C.
245 $aMonitoring of Brazilian wheat blast field populations reveals resistance to QoI, DMI, and SDHI fungicides.$h[electronic resource]
250 $a,
260 $c2021
520 $aAbstract: Wheat blast is one of the most important and devastating fungal diseases of wheat in South America, South-east Asia, and now in southern Africa. The disease can reduce grain yield by up to 70% and is best controlled using integrated disease management strategies. The difficulty in disease management is compounded by the lack of durable host resistance and the ineffectiveness of fungicide sprays. New succinate dehydrogenase inhibitor (SDHI) fungicides were recently introduced for the management of wheat diseases. Brazilian field populations of the wheat blast pathogen Pyricularia oryzae Triticum lineage (PoTI) sampled from different georgraphical regions in 2012and 2018 were shown to be resistant to both QoI (strobilurin) and DMI (azole) fungicides. The main objective of the current study was to determine the SDHI baseline sensitivity in these populations. Moderate levels of SDHI resistance were detected in five out of the six field populations sampled in 2012 and in most of the strains isolated in 2018. No association was found between target site mutations in the sdhB, sdhC, and sdhD genes and the levels of SDHI resistance, indicating that a pre-existing resistance mechanism not associated with target site mutations is probably present in Brazilian wheat blast populations.
653 $aCarboxiami
653 $aFluxapiroxade
653 $aFluxapyroxad
653 $aLinhagem Pyricularia oryzae Triticum
653 $aNon target site resistance
653 $aPyricularia oryzae Triticum
653 $aResistência a fungicidas
653 $aResistência do local não-alvo
653 $aSecond-generation carboxamides
653 $aSuccinate dehydrogenase inhibitors
700 1 $aCASADO, P. S.
700 1 $aCARVALHO, G. de
700 1 $aMOREIRA, S. I.
700 1 $aDORIGAN, A. F.
700 1 $aSILVA, T. C.
700 1 $aSILVA, A. G. da
700 1 $aCUSTÓDIO, A. A. de P.
700 1 $aGOMES, A. C. dos S.
700 1 $aMACIEL, J. L. N.
700 1 $aHAWKINS, N.
700 1 $aMCDONALD, B. A.
700 1 $aFRAAIJE, B. A.
700 1 $aCERESINI, P. C.
773 $tPlant Pathology$gv. 71, n. 2, p. 304-321, 2021.
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