Selection of resistance sources to common bean anthracnose by field phenotyping and DNA marker-assisted screening

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dc.creatorAriadna Faria Vieira
dc.creatorDemerson Arruda Sanglard
dc.creatorThiago Lívio Pessoa Oliveira de Souza
dc.creatorHelton Santos Pereira
dc.creatorJoaquim Geraldo Caprio da Costa
dc.creatorLaura Cristina da Silva Almeida
dc.creatorLuana Alves Rodrigues
dc.creatorLeonardo Cunha Melo
dc.date.accessioned2022-12-19T13:10:57Z
dc.date.accessioned2025-09-08T23:44:30Z
dc.date.available2022-12-19T13:10:57Z
dc.date.issued2018
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.4238/gmr18066
dc.identifier.issn1676-5680
dc.identifier.urihttps://hdl.handle.net/1843/48182
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofGenetics and Molecular Research
dc.rightsAcesso Aberto
dc.subjectFungos na agricultura
dc.subjectFeijão
dc.subjectAntracnose
dc.subjectGenética molecular
dc.subjectDNA
dc.subjectPlantas -- Melhoramento genético
dc.titleSelection of resistance sources to common bean anthracnose by field phenotyping and DNA marker-assisted screening
dc.typeArtigo de periódico
local.citation.epage10
local.citation.issue3
local.citation.spage1
local.citation.volume17
local.description.resumoThe main goal of this work was to select resistance sources to common bean anthracnose by field phenotyping and DNA marker-assisted screening. Fifty-five common bean genotypes, including differential varieties, characterized resistance sources, elite lines, cultivars and controls, were evaluated in a field inoculation trial and screened with SCAR markers linked to resistance genes that are important in Brazil. The field trial was carried out in Santo Antônio de Goiás, GO, Brazil, during the fall/winter growing season of 2014, using artificial inoculation with a mixture of six races of Colletotrichum lindemuthianum, selected based on their high virulence and prevalence in Brazil. Amplification reactions with the SCAR markers previously identified as linked to important anthracnose resistance genes on Brazil followed standard procedures. Twenty-eight of the 58 genotypes were resistant to anthracnose (mean severity score ≤ 3.5). Ten of these 28 resistant genotypes stood out because they presented a mean anthracnose severity score of 1.0. Four of the six SCAR markers tested shown to be useful for the assisted selection of their respective target genes (SH18 and SAS13 for Co-42, SAB03 for Co-5, and SAZ20 for Co-6). Two carioca seeded elite lines were highlighted by the phenotypic and molecular screening: K10 (Co-34, Co-42, Co-5 and Co-6) and K13 (Co-4²). The phenotypic and molecular characterization of candidate resistance sources to common bean anthracnose based on their disease reaction in field inoculation trials and on the analysis with molecular markers linked to resistance genes has shown to be a useful strategy. These results aid in the selection of donor parents and resistant lines to be preferably explored by common bean breeding programs in Brazil.
local.identifier.orcidhttps://orcid.org/0000-0001-6759-9730
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://geneticsmr.com/articles/selection-resistance-sources-common-bean

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