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| Registros recuperados : 17 | |
| 5. |  | VELOSO, J. S.; ROSA, S. D. V. F. da; PADILHA, L.; SCHENK, J. C. M. Molecular evaluation of coffee seeds under cryopreservation. In: INTERNATIONAL CONFERENCE ON COFFEE SCIENCE, 26., 2016, Kunming,Yunnan, China. Proceedings... ASIC - Association for Science and Information on Coffee, 2016. p. 129.| Biblioteca(s): Embrapa Café. |
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| 8. | | VELOSO, J. S.; LIMA, W. G.; REIS, A.; DOYLE, V. P.; MICHEREFF, S. J.; CÂMARA, M. P. S. Factors influencing biological traits and aggressiveness of Colletotrichum species associated with cashew anthracnose in Brazil. Plant Pathology, v. 70, n. 1, p. 167-180, Jan. 2021.| Biblioteca(s): Embrapa Hortaliças. |
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| 9. | | AGUIAR, F. M.; VALLARD, G. E.; TIMILSINA, S.; VELOSO, J. S.; FONSECA, M. E. N.; BOITEUX, L. S.; REIS, A. Phylogenetic network analysis of South and North American Corynespora cassiicola isolates from tomato, cucumber, and novel hosts. European Journal of Plant Pathology, v. 163, p. 657-671, 2022.| Biblioteca(s): Embrapa Hortaliças. |
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| 10. | | SUASTE-DZUL, A. P.; VELOSO, J. S.; COSTA, H.; BOITEUX, L. S.; LOURENÇO JUNIOR, V.; LOPES, C. A.; REIS, A. Verticillium diseases of vegetable crops in Brazil: Host range, microsclerotia production, molecular haplotype network, and pathogen species determination. Plant Pathology, v. 71, n. 6, p. 1417-1430, 2022.| Biblioteca(s): Embrapa Hortaliças. |
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| 11. | | COSTA, C. A. da; LIMA, W. G.; VELOSO, J. S.; JAIMES, F. M.; SOUZA, E. N.; MICHEREFF, S. J.; CÂMARA, M. P. S.; REIS, A. Gama de hospedeiros de espécies de Colletotrichum obtidas de chuchuzeiros de regiões brasileiras. In: CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 48.; CONGRESSO BRASILEIRO DE PATOLOGIA PÓS COLHEITA, 2., 2015, São Pedro, SP. Fitopatologia de precisão: fronteiras da ciência: anais. São Pedro, SP: Sociedade Brasileira de Fitopatologia, 2015. Resumo 143-1| Biblioteca(s): Embrapa Hortaliças. |
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| 12. | | BORGES, R. C. F.; SANTOS, M. D. M.; VELOSO, J. S.; FONSECA, M. E. N.; BOITEUX, L. S.; NASCIMENTO, W. M.; REIS, A. Leveillula taurica causing powdery mildew of chickpea in Brazil. Journal of Phytopathology, v. 171, n. 2-3, p. 63-66, Mar. 2023. New disease report.| Biblioteca(s): Embrapa Hortaliças. |
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| 13. | | CABRAL, C. S.; FONSECA, M. E. N.; BOITEUX, L. S.; BARBOZA, E. A.; VELOSO, J. S.; LOURENÇO JUNIOR, V.; REIS, A. Phenotypic and genetic variability of fungal isolates associated with the Septoria leaf spot disease of lettuce (Lactuca sativa) in Brazil. Journal of Plant Diseases and Protection, v. 129, n. 4, p. 53-62, Aug. 2022.| Biblioteca(s): Embrapa Hortaliças. |
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| 14. | | BORGES, R. C. F.; FONSECA, M. E. N.; BOITEUX, L. S.; SANTOS, M. do D. M.; VELOSO, J. S.; AGUIAR, F. M.; REIS, A. Powdery mildew of chayote (Sechium edule) caused by Podosphaera xanthii race 2 in Brazil Journal of Phytopathology, v. 171, p. 583-588, 2023.| Biblioteca(s): Embrapa Hortaliças. |
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| 15. | | PEREIRA, D. G.; FONSECA, M. E. N.; BOITEUX, L. S.; VELOSO, J. S.; FONTES, M. G.; SIERRA, A. J. R.; RELEVANTE-BELAGANTOL, C.; REIS, A. Report of Phytophthora capsici (mating type A1) isolates associated with crown-rot disease of Capsicum annuum in Guatemala. Journal of Phytopathology, v. 172, n. 1, e13242, 2024.| Biblioteca(s): Embrapa Hortaliças. |
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| 16. | | DUARTE, I. G.; AMARAL, A. G. G.; VIEIRA, W. A. dos S.; VELOSO, J. S.; SILVA, A. C. da; SILVA, C. de F. B. da; BALBINO, V. de Q.; CASTLEBURY, L. A.; CÂMARA, M. P. S. Diversity of Colletotrichum species associated with torch ginger anthracnose. Mycologia, v. 115, n. 5, p. 661-673, 2023.| Biblioteca(s): Embrapa Agroindústria Tropical. |
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| 17. | | BORGES, R. C. F.; LEITE, S. dos S.; MARTINS, J. M. T.; SANTOS, M. D. M.; VELOSO, J. S.; MADEIRA, N. R.; FONSECA, M. E. N.; BOITEUX, L. S.; REIS, A. Powdery mildew (Erysiphe cruciferarum) on brassicaceae in Brazil. Australasian Plant Pathology, v. 52, p. 419-425, 2023.| Biblioteca(s): Embrapa Hortaliças. |
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| Registros recuperados : 17 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Hortaliças. |
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Data corrente: |
15/08/2022 |
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Data da última atualização: |
15/08/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 5 |
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Autoria: |
CABRAL, C. S.; FONSECA, M. E. N.; BOITEUX, L. S.; BARBOZA, E. A.; VELOSO, J. S.; LOURENÇO JUNIOR, V.; REIS, A. |
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Afiliação: |
C. S. CABRAL, UNIVERSIDADE DE BRASÍLIA; MARIA ESTHER DE N FONSECA BOITEUX, CNPH; LEONARDO SILVA BOITEUX, CNPH; E. A. BARBOZA, UNIVERSIDADE DE BRASÍLIA; J. S. VELOSO, UNIVERSIDADE FEDERAL RURAL DE PERNAMBUCO; VALDIR LOURENCO JUNIOR, CNPH; AILTON REIS, CNPH. |
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Título: |
Phenotypic and genetic variability of fungal isolates associated with the Septoria leaf spot disease of lettuce (Lactuca sativa) in Brazil. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Journal of Plant Diseases and Protection, v. 129, n. 4, p. 53-62, Aug. 2022. |
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DOI: |
https://doi.org/10.1007/s41348-021-00537-9 |
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Idioma: |
Inglês |
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Conteúdo: |
Septoria leaf spot is a severe disease of lettuce in tropical and subtropical regions, inducing yield/quality losses and increasing production costs. Globally, Septoria lactucae has been reported as the major pathogen associated with this disease. However, a complex of Septoria species has been also reported in association with lettuce crop around the world. Extensive surveys of Septoria species associated with this disease have not been conducted in the Neotropics. Therefore, the objective of the present study was to undergo a phenotypic and genetic characterization of a collection of 32 Brazilian Septoria isolates causing lettuce leaf spot. Morphometrical characterization of conidia and pycnidia was conducted with ten isolates obtained from three lettuce-producing regions in Brazil. In addition, partial sequences of four gene regions (β-tubulin, RPB2, actin, and calmodulin) were used in phylogenetic analyses of all 32 Septoria isolates. All tested isolates were pathogenic to two lettuce cultivars and morphometrically similar to each other. These isolates grouped together into a single monophyletic clade composed exclusively by genuine S. lactucae isolates. Therefore, S. lactucae was found to be the sole species associated with the Septoria leaf spot of lettuce in Brazil. The number of polymorphic sites (n = 27), mutations (n = 190), the level of nucleotide diversity (0.00262), and the average number of nucleotide differences (2.961) were relatively low. Notwithstanding, this genetic variability allowed the identification of 17 haplotypes amongst the 32 Brazilian isolates. This information will help to guide resistance breeding programs and establish more effective management strategies of this disease. MenosSeptoria leaf spot is a severe disease of lettuce in tropical and subtropical regions, inducing yield/quality losses and increasing production costs. Globally, Septoria lactucae has been reported as the major pathogen associated with this disease. However, a complex of Septoria species has been also reported in association with lettuce crop around the world. Extensive surveys of Septoria species associated with this disease have not been conducted in the Neotropics. Therefore, the objective of the present study was to undergo a phenotypic and genetic characterization of a collection of 32 Brazilian Septoria isolates causing lettuce leaf spot. Morphometrical characterization of conidia and pycnidia was conducted with ten isolates obtained from three lettuce-producing regions in Brazil. In addition, partial sequences of four gene regions (β-tubulin, RPB2, actin, and calmodulin) were used in phylogenetic analyses of all 32 Septoria isolates. All tested isolates were pathogenic to two lettuce cultivars and morphometrically similar to each other. These isolates grouped together into a single monophyletic clade composed exclusively by genuine S. lactucae isolates. Therefore, S. lactucae was found to be the sole species associated with the Septoria leaf spot of lettuce in Brazil. The number of polymorphic sites (n = 27), mutations (n = 190), the level of nucleotide diversity (0.00262), and the average number of nucleotide differences (2.961) were relatively low. Notwithstandin... Mostrar Tudo |
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Palavras-Chave: |
Phylogenetic analysis; Septoria leaf spot. |
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Thesagro: |
Alface; Lactuca Sativa. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1145442/1/Cabral-et-al-2022-Journal-of-Plant-Diseasees-and-Protection-129-p-53-62-2022.pdf
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Marc: |
LEADER 02579naa a2200253 a 4500
001 2145442
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024 7 $ahttps://doi.org/10.1007/s41348-021-00537-9$2DOI
100 1 $aCABRAL, C. S.
245 $aPhenotypic and genetic variability of fungal isolates associated with the Septoria leaf spot disease of lettuce (Lactuca sativa) in Brazil.$h[electronic resource]
260 $c2022
520 $aSeptoria leaf spot is a severe disease of lettuce in tropical and subtropical regions, inducing yield/quality losses and increasing production costs. Globally, Septoria lactucae has been reported as the major pathogen associated with this disease. However, a complex of Septoria species has been also reported in association with lettuce crop around the world. Extensive surveys of Septoria species associated with this disease have not been conducted in the Neotropics. Therefore, the objective of the present study was to undergo a phenotypic and genetic characterization of a collection of 32 Brazilian Septoria isolates causing lettuce leaf spot. Morphometrical characterization of conidia and pycnidia was conducted with ten isolates obtained from three lettuce-producing regions in Brazil. In addition, partial sequences of four gene regions (β-tubulin, RPB2, actin, and calmodulin) were used in phylogenetic analyses of all 32 Septoria isolates. All tested isolates were pathogenic to two lettuce cultivars and morphometrically similar to each other. These isolates grouped together into a single monophyletic clade composed exclusively by genuine S. lactucae isolates. Therefore, S. lactucae was found to be the sole species associated with the Septoria leaf spot of lettuce in Brazil. The number of polymorphic sites (n = 27), mutations (n = 190), the level of nucleotide diversity (0.00262), and the average number of nucleotide differences (2.961) were relatively low. Notwithstanding, this genetic variability allowed the identification of 17 haplotypes amongst the 32 Brazilian isolates. This information will help to guide resistance breeding programs and establish more effective management strategies of this disease.
650 $aAlface
650 $aLactuca Sativa
653 $aPhylogenetic analysis
653 $aSeptoria leaf spot
700 1 $aFONSECA, M. E. N.
700 1 $aBOITEUX, L. S.
700 1 $aBARBOZA, E. A.
700 1 $aVELOSO, J. S.
700 1 $aLOURENÇO JUNIOR, V.
700 1 $aREIS, A.
773 $tJournal of Plant Diseases and Protection$gv. 129, n. 4, p. 53-62, Aug. 2022.
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