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Genome-wide association studies of anthracnose and angular leaf spot resistance in common bean (Phaseolus vulgaris L.). Repositório Alice
PERSEGUINI, J. M. K. C.; OBLESSUC, P. R.; ROSA, J. R. B. F.; GOMES, K. A.; CHIORATO, A. F.; CARBONELL, S. A. M.; GARCIA, A. A. F.; VIANELLO, R. P.; BENCHIMOL-REIS, L. L..
The common bean (Phaseolus vulgaris L.) is the world?s most important legume for human consumption. Anthracnose (ANT; Colletotrichum lindemuthianum) and angular leaf spot (ALS; Pseudocercospora griseola) are complex diseases that cause major yield losses in common bean. Depending on the cultivar and environmental conditions, anthracnose and angular leaf spot infections can reduce crop yield drastically. This study aimed to estimate linkage disequilibrium levels and identify quantitative resistance loci (QRL) controlling resistance to both ANT and ALS diseases of 180 accessions of common bean using genomewide association analysis. A randomized complete block design with four replicates was performed for the ANT and ALS experiments, with four plants per...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Feijão; Phaseolus vulgaris; Mancha foliar; Antracnose; Colletotrichum lindemuthianum; Genoma.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1076304
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Inheritance of growth habit detected by genetic linkage analysis using microsatellites in the common bean (Phaseolus vulgaris L.). Repositório Alice
CAMPOS, T. de; OBLESSUC, P. R.; SFORÇA, D. A.; CARDOSO, J. M. K.; BARONI, R. M.; SOUSA, A. C. B. de; CARBONELL, S. A. M.; CHIORATTO, A. F.; GARCIA, A. A. F.; RUBIANO, L. B.; SOUZA, A. P. de.
The genetic linkage map for the common bean (Phaseolus vulgaris L.) is a valuable tool for breeding programs. Breeders provide new cultivars that meet the requirements of farmers and consumers, such as seed color, seed size, maturity, and growth habit. A genetic study was conducted to examine the genetics behind certain qualitative traits. Growth habit is usually described as a recessive trait inherited by a single gene, and there is no consensus about the position of the locus. The aim of this study was to develop a new genetic linkage map using genic and genomic microsatellite markers and three morphological traits: growth habit, flower color, and pod tip shape. A mapping population consisting of 380 recombinant F10 lines was generated from IAC-UNA ×...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Marcador microssatélite; Melhoramento genético vegetal; Feijão; Phaseolus vulgaris; Características agronômicas; Crescimento; Interação genética; Mapa; Marcador genético; Plant breeding; Beans; Agronomic traits; Growth habit; Chromosome mapping; Microsatellite repeats; Fitomejoramiento; Frijoles; Características agronómicas; Hábito de crecimiento; Mapeo de cromosomas; Repeticiones de microsatélite.
Ano: 2011 URL: http://www.alice.cnptia.embrapa.br/handle/doc/902568
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Linkage and mapping of quantitative trait loci associated with angular leaf spot and powdery mildew resistance in common beans. Repositório Alice
BASSI, D.; BRIÑEZ, B.; ROSA, J. S.; OBLESSUC, P. R.; ALMEIDA, C. P. de; NUCCI, S. M.; SILVA, L. C. D. da; CHIORATO, A. F.; VIANELLO, R. P.; CAMARGO, L. E. A.; BLAIR, M. W.; BENCHIMOL-REIS, L. L..
Angular leaf spot (ALS) and powdery mildew (PWM) are two important fungi diseases causing significant yield losses in common beans. In this study, a new genetic linkage map was constructed using single sequence repeats (SSRs) and single nucleotide polymorphisms (SNPs), in a segregating population derived from the AND 277 x SEA 5 cross, with 105 recombinant inbred lines. Phenotypic evaluations were performed in the greenhouse to identify quantitative trait loci (QTLs) associated with resistance by means of the composite interval mapping analysis. Four QTLs were identified for ALS resistance. The QTL ALS11AS, linked on the SNP BAR 5054, mapped on chromosome Pv11, showed the greatest effect (R2 = 26.5%) on ALS phenotypic variance. ForPWMresistance, two QTLs...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Pseudocercospora griseola; Quantitative inheritance; Feijão; Phaseolus vulgaris; Mancha foliar; Erysiphe polygoni; Microsatellite repeats; Single nucleotide polymorphism; Leaf spot.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1076287
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