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Agronomic performance and stability of andean common bean lines with white grains in Brazil Bragantia
Pereira,Helton Santos; Bueno,Luíce Gomes; Del Peloso,Maria José; Abreu,Angela de Fatima Barbosa; Moreira,José Aloísio Alves; Martins,Maurício; Wendland,Adriane; Faria,Luís Cláudio de; Souza,Thiago Lívio Pessoa Oliveira de; Melo,Leonardo Cunha.
This work evaluated the effect of genotype by environment interaction in Andean common bean lines with white grains, in Central Southern Brazil, to identify lines with high agronomic performance, stability and adaptability, aiming to meet domestic demand and to increase the Brazilian participation in the foreign market of common bean. Nineteen trials with twelve Andean lines were conducted in 2007, 2008 and 2009, in Central Southern Brazil. Grain yield and other agronomic traits were evaluated. Data were subjected to analysis of variance and of adaptability/stability using Annicchiarico and modified AMMI methods. Significant differences were found between lines for all traits evaluated. Genotype by environment interaction was important for lines with...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Special grains; Adaptability; Genotype by environment interaction; AMMI.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052014000200006
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Association mapping in common bean revealed regions associated with Anthracnose and Angular Leaf Spot resistance Scientia Agricola
Fritsche-Neto,Roberto; Souza,Thiago Lívio Pessoa Oliveira de; Pereira,Helton Santos; Faria,Luís Cláudio de; Melo,Leonardo Cunha; Novaes,Evandro; Brum,Itaraju Junior Baracuhy; Jannink,Jean-Luc.
ABSTRACT: Despite important biotic stresses to common bean, Anthracnose (ANT) and Angular Leaf Spot (ALS) can cause losses of up to 80 % and occur in more than 60 countries around the world. Genetic resistance is the most sustainable strategy to manage these diseases. Thus, we aimed to (1) identify new SNP markers associated with ALS and ANT resistance loci in elite common bean lines, and (2) provide a functional characterization of the DNA sequences containing the identified SNP markers. We evaluated 60 inbred lines, under field conditions, which represent the elite germplasm developed by the Embrapa common bean breeding program across 22 years, in terms of severity of the ALS and ANT. The lines were genotyped with 5,398 SNPs. Then, a Mixed Linear Model...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Colletotrichum lindemuthianum; Pseudocercospora griseola; Disease resistance; Elite lines; Marker-assisted selection.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019001400321
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Common bean elite lines cultivated under nitrogen fertilization and inoculation with Rhizobium tropici Ciência Rural
Pereira,Helton Santos; Melo,Leonardo Cunha; Faria,Luís Cláudio de; Ferreira,Enderson Petrônio de Brito; Mercante,Fábio Martins; Wendland,Adriane; Souza,Thiago Lívio Pessoa Oliveira de.
ABSTRACT: More efficient strains of Rhizobium have been selected for use in common bean. However, little effort was made with lines selection. The main goals of this research were to verify the presence of interaction involving common bean elite lines utilizing Nitrogen fertilization and Rhizobium inoculation for grain yield and to identify lines with superior yields utilizing biological nitrogen fixation. Eight field trials were conducted at four location-years in Brazilian savanna, using randomized complete blocks design with three replications. Each trial was composed of 17 carioca elite lines. Every two tests in each location were planted side by side, one with mineral nitrogen fertilization (90kg) and the other one with inoculation with Rhizobium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Biological nitrogen fixation; Grain yield; Genotype by environment interaction.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782015001202168
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Fuzzy logic in automation for interpretation of adaptability and stability in plant breeding studies Scientia Agricola
Carneiro,Anna Regina Tiago; Sanglard,Demerson Arruda; Azevedo,Alcinei Mistico; Souza,Thiago Lívio Pessoa Oliveira de; Pereira,Helton Santos; Melo,Leonardo Cunha.
ABSTRACT: The methods of Annicchiarico (1992) and Cruz et al. (1989) are widely used in phenotypic adaptability and stability analyses in plant breeding. In spite of the importance of these methodologies, their parameters are difficult to interpret. The aim of this research was to develop fuzzy controllers to automate the decision-making process employed by adaptability and stability studies following the methods adopted by Annicchiarico (1992) and Cruz et al. (1989) and check their efficiency using experimental data from common bean cultivars. Fuzzy controllers have been developed based on the Mamdani inference system proposed by these two methods of adaptability and stability studies. For the first fuzzy controller parameters were considered favorable...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Common bean; Genotype by environment interaction; Crop breeding; Computational intelligence.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162019001200123
Registros recuperados: 4
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