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| 6. |  | VIEIRA, F. de A.; NOVAES, R. M. L.; FAJARDO, C. G.; SANTOS, R. M. dos; ALMEIDA, H. de S.; CARVALHO, D. de; LOVATO, M. B. Holocene southward expansion in seasonally dry tropical forests in South America: phylogeography of Ficus bonijesulapensis (Moraceae). Botanical Journal of the Linnean Society, London, v. 177, n. 2, p. 189-201, 2015.| Biblioteca(s): Embrapa Meio Ambiente. |
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Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Florestas; Embrapa Trigo; Embrapa Uva e Vinho. |
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Data corrente: |
01/01/2024 |
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Data da última atualização: |
12/03/2024 |
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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: |
STEMPKOWSKI, L. A.; PEREIRA, F. S.; LAU, D.; KUHNEM, P.; CASA, R. T.; FAJARDO, T. V. M.; NHANI JUNIOR, A.; SILVA, F. N. da; ORÍLIO, A. F.; ZERBINI, F. M. |
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Afiliação: |
LUCAS ANTONIO STEMPKOWSKI, Universidade Federal de Viçosa; FERNANDO SARTORI PEREIRA, Universidade do Estado de Santa Catarina/Campus Lages; DOUGLAS LAU, CNPF; PAULO KUHNEM, Biotrigo Genética; RICARDO TREZZI CASA, Universidade do Estado de Santa Catarina/Campus Lages; THOR VINICIUS MARTINS FAJARDO, CNPUV; ANTONIO NHANI JUNIOR, CNPTIA; FÁBIO NASCIMENTO DA SILVA, Universidade do Estado de Santa Catarina/Campus Lages; ANELISE FRANCO ORÍLIO, Universidade Federal de Viçosa; FRANCISCO MURILO ZERBINI, Universidade Federal de Viçosa. |
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Título: |
Wheat stripe mosaic virus from Brazil and South Africa evolved as distinct subpopulations with low genetic variability. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Plant Pathology, 29 Dec. 2023. |
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Páginas: |
1-16 |
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DOI: |
https://doi.org/10.1111/ppa.13853 |
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Idioma: |
Inglês |
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Notas: |
On-line first. |
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Conteúdo: |
Resumo: Este estudo detalha a análise da variabilidade da população viral do wheat stripe mosaic virus (WhSMV, Benyviridae) agente causal do mosaico comum em trigo no Brasil. Amostras de plantas foram coletadas em ensaios em Passo Fundo-RS, Coxilha-RS, Condor-RS, Santo Augusto-RS, Cruz Alta-RS, Ivaiporã-PR, Ponta Grossa-PR e Guarapuava-PR, sendo determinado o efeito da variabilidade viral na resistência de cultivares de trigo. Essas informações embasam o entendimento da estabilidade da resistência, auxiliando programas de melhoramento de empresas público e privadas no desenvolvimento de cultivares de trigos resistentes para adoção em distintas regiões do sul Brasil com ocorrência recorrente do mosaico comum do trigo
Abstract: Wheat stripe mosaic virus (WhSMV) is the causal agent of soilborne wheat mosaic
disease (SBWMD) in Brazil, which is a serious threat to wheat production in the southern part of the country. WhSMV also occurs in Paraguay and South Africa. The virus
is soilborne, transmitted by Polymyxa graminis, and management strategies are mainly
based on genetic resistance. Variation in the reaction (type and severity of symptoms)
of cultivars has been reported depending on the region and/or year of cultivation,
leading wheat breeding programmes to test their materials in several locations, which
increases costs and is time-consuming. One hypothesis is that this variation in symptoms is a result of the genetic variability of WhSMV. We assessed the genetic variability and population structure of WhSMV infecting wheat in Brazil and South Africa.
In field experiments conducted in different locations in southern Brazil, a consistent
reproducibility of symptoms was observed in a set of cultivars, and molecular analysis showed a low degree of genetic variability of the Brazilian viral population. The
hypothesis that the variation in SBWMD symptoms in Brazil is due to genetic variability of the virus was thus rejected. Comparison of the Brazilian and South African
WhSMV isolates indicated that they comprise distinct subpopulations and that the
Brazilian subpopulation is more variable than the South African subpopulation. The
lower genetic variability of the South African subpopulation suggests genetic stability
or a recent emergence of WhSMV in that region. MenosResumo: Este estudo detalha a análise da variabilidade da população viral do wheat stripe mosaic virus (WhSMV, Benyviridae) agente causal do mosaico comum em trigo no Brasil. Amostras de plantas foram coletadas em ensaios em Passo Fundo-RS, Coxilha-RS, Condor-RS, Santo Augusto-RS, Cruz Alta-RS, Ivaiporã-PR, Ponta Grossa-PR e Guarapuava-PR, sendo determinado o efeito da variabilidade viral na resistência de cultivares de trigo. Essas informações embasam o entendimento da estabilidade da resistência, auxiliando programas de melhoramento de empresas público e privadas no desenvolvimento de cultivares de trigos resistentes para adoção em distintas regiões do sul Brasil com ocorrência recorrente do mosaico comum do trigo
Abstract: Wheat stripe mosaic virus (WhSMV) is the causal agent of soilborne wheat mosaic
disease (SBWMD) in Brazil, which is a serious threat to wheat production in the southern part of the country. WhSMV also occurs in Paraguay and South Africa. The virus
is soilborne, transmitted by Polymyxa graminis, and management strategies are mainly
based on genetic resistance. Variation in the reaction (type and severity of symptoms)
of cultivars has been reported depending on the region and/or year of cultivation,
leading wheat breeding programmes to test their materials in several locations, which
increases costs and is time-consuming. One hypothesis is that this variation in symptoms is a result of the genetic variability of WhSMV. We assessed the genetic variabilit... Mostrar Tudo |
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Palavras-Chave: |
Benyviridae; Cereais de inverno; Mosaic symptoms; Soilborne disease. |
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Thesagro: |
Doença de Planta; Melhoramento; Mosaico; Polymyxa Graminis; Resistência Genética; Trigo; Triticum Aestivum; Virose Vegetal. |
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Thesaurus NAL: |
Wheat. |
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Categoria do assunto: |
--
H Saúde e Patologia |
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Marc: |
LEADER 03489naa a2200421 a 4500
001 2161112
005 2024-03-12
008 2023 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1111/ppa.13853$2DOI
100 1 $aSTEMPKOWSKI, L. A.
245 $aWheat stripe mosaic virus from Brazil and South Africa evolved as distinct subpopulations with low genetic variability.$h[electronic resource]
260 $c2023
300 $a1-16
500 $aOn-line first.
520 $aResumo: Este estudo detalha a análise da variabilidade da população viral do wheat stripe mosaic virus (WhSMV, Benyviridae) agente causal do mosaico comum em trigo no Brasil. Amostras de plantas foram coletadas em ensaios em Passo Fundo-RS, Coxilha-RS, Condor-RS, Santo Augusto-RS, Cruz Alta-RS, Ivaiporã-PR, Ponta Grossa-PR e Guarapuava-PR, sendo determinado o efeito da variabilidade viral na resistência de cultivares de trigo. Essas informações embasam o entendimento da estabilidade da resistência, auxiliando programas de melhoramento de empresas público e privadas no desenvolvimento de cultivares de trigos resistentes para adoção em distintas regiões do sul Brasil com ocorrência recorrente do mosaico comum do trigo Abstract: Wheat stripe mosaic virus (WhSMV) is the causal agent of soilborne wheat mosaic disease (SBWMD) in Brazil, which is a serious threat to wheat production in the southern part of the country. WhSMV also occurs in Paraguay and South Africa. The virus is soilborne, transmitted by Polymyxa graminis, and management strategies are mainly based on genetic resistance. Variation in the reaction (type and severity of symptoms) of cultivars has been reported depending on the region and/or year of cultivation, leading wheat breeding programmes to test their materials in several locations, which increases costs and is time-consuming. One hypothesis is that this variation in symptoms is a result of the genetic variability of WhSMV. We assessed the genetic variability and population structure of WhSMV infecting wheat in Brazil and South Africa. In field experiments conducted in different locations in southern Brazil, a consistent reproducibility of symptoms was observed in a set of cultivars, and molecular analysis showed a low degree of genetic variability of the Brazilian viral population. The hypothesis that the variation in SBWMD symptoms in Brazil is due to genetic variability of the virus was thus rejected. Comparison of the Brazilian and South African WhSMV isolates indicated that they comprise distinct subpopulations and that the Brazilian subpopulation is more variable than the South African subpopulation. The lower genetic variability of the South African subpopulation suggests genetic stability or a recent emergence of WhSMV in that region.
650 $aWheat
650 $aDoença de Planta
650 $aMelhoramento
650 $aMosaico
650 $aPolymyxa Graminis
650 $aResistência Genética
650 $aTrigo
650 $aTriticum Aestivum
650 $aVirose Vegetal
653 $aBenyviridae
653 $aCereais de inverno
653 $aMosaic symptoms
653 $aSoilborne disease
700 1 $aPEREIRA, F. S.
700 1 $aLAU, D.
700 1 $aKUHNEM, P.
700 1 $aCASA, R. T.
700 1 $aFAJARDO, T. V. M.
700 1 $aNHANI JUNIOR, A.
700 1 $aSILVA, F. N. da
700 1 $aORÍLIO, A. F.
700 1 $aZERBINI, F. M.
773 $tPlant Pathology, 29 Dec. 2023.
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Embrapa Uva e Vinho (CNPUV) |
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