Data/hora: 09/06/2024 02:56:34

Biblioteca(s): | Embrapa Café.
Tipo da produção científica: | Artigo em Periódico Indexado
Circulação/Nível: | A - 2
Data corrente: | 28/09/2020
Data da última atualização: | 28/09/2020
Autoria: | CRUZ, A. F.; SIVA, L. F.; SOUSA, T. V.; NICOLI, A.; PAULA JUNIOR, T. J. de; CAIXETA, E. T.; ZAMBOLIM, L.
Afiliação: | ANDRE FREIRE CRUZ, EMPRESA DE PESQUISA AGROPECUÁRIA DE MINAS GERAIS; LUCAS FAGUNDES SILVA, UNIVERSIDADE FEDERAL DE VIÇOSA; TIAGO VIEIRA SOUSA, UNIVERSIDADE FEDERAL DE VIÇOSA; ALESSANDRO NICOLI, UNIVERSIDADE FEDERAL DE VIÇOSA; TRAZILBO JOSE DE PAULA JUNIOR, UNIVERSIDADE FEDERAL DE VIÇOSA; EVELINE TEIXEIRA CAIXETA MOURA, CNPCa; LAÉRCIO ZAMBOLIM, UNIVERSIDADE FEDERAL DE VIÇOSA.
Título: | Molecular diversity in Fusarium oxysporum isolates from common bean fields in Brazil.
Ano de publicação: | 2018
Fonte/Imprenta: | European Journal of Plant Pathology, v. 152, n. 2, p. 343-354, 2018.
DOI: | 10.1007/s10658-018-1479-7
Idioma: | Inglês
Conteúdo: | The common bean (Phaseolus vulgaris L.) is widely cultivated in Brazil and is known as a very important crop for families in this country. Fusarium wilt severely harms common beans and has become a big issue for this crop. In order to assist the breeding programs that target resistance to this disease, the evaluation of genetic diversity of the pathogen and its molecular characterization are crucial. Thus, the present goal was to identify Fusarium isolates obtained from several places in Brazil using molecular tools; select molecular markers for these isolates; and analyze their diversity. All of isolates were molecularly identified as Fusarium oxysporum f. sp. phaseoli (Fop). By using seven selected SSR markers, the results of diversity obtained by the dendrogram and the Bayesian analysis formed four groups where a large diversity of this fungus was found within each state. However, the groups were more homogenous according to the collection source and the pathogenicity test. More specifically, group 2 was composed of the most virulent strains and originated from Minas Gerais State ? UFV, and group 3 was mostly composed by isolates from Goias state. Group I was also more diverse in terms of location and virulence. The overall results indicated a positive correlation between Fusarium diversity and its virulence to common bean. Furthermore, the use of these markers was effective in molecular identification and in detecting polymorphism within F. oxysporum f. sp. phaseoli.
Palavras-Chave: | Diversity; Molecular markers.
Thesagro: | Fusarium; Phaseolus Vulgaris.
Thesaurus Nal: | Genetic code.
Categoria do assunto: | --
Registro original: | Embrapa Café (CNPCa)
Exemplares: | CNPCa - (1435-1) - UPC - AP - DD -  -  -  - DIS