Consulta: creatorFacets:"Woyann,Leomar Guilherme"
Registros recuperados: 8
Data/hora: 17/06/2024 16:34:55

Can WRKY transcription factors help plants to overcome environmental challenges?
Provedor de dados: 74
Autores: Finatto,Taciane; Viana,Vívian Ebeling; Woyann,Leomar Guilherme; Busanello,Carlos; Maia,Luciano Carlos da; Oliveira,Antonio Costa de.
Abstract WRKY transcription factors (TFs) are responsible for the regulation of genes responsive to many plant growth and developmental cues, as well as to biotic and abiotic stresses. The modulation of gene expression by WRKY proteins primarily occurs by DNA binding at specific cis-regulatory elements, the W-box elements, which are short sequences located in the promoter region of certain genes. In addition, their action can occur through interaction with other TFs and the cellular transcription machinery. The current genome sequences available reveal a relatively large number of WRKY genes, reaching hundreds of copies. Recently, functional genomics studies in model plants have enabled the identification of function and mechanism of action of several WRKY...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Transcriptional regulation; Signaling; Abscisic acid; Kinases; Stresses.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572018000400533

Adaptability and stability of white oat cultivars in relation to chemical composition of the caryopsis
Provedor de dados: 86
Autores: Hawerroth,Maraisa Crestani; Carvalho,Fernando Irajá Félix de; Oliveira,Antonio Costa de; Silva,José Antonio Gonzalez da; Gutkoski,Luiz Carlos; Sartori,João Francisco; Woyann,Leomar Guilherme; Barbieri,Rosa Lía; Hawerroth,Fernando José.
The objective of this work was to characterize the chemical properties of white oat (Avena sativa) caryopsis and to determine the adaptability and stability of cultivars recommended for cultivation in the state of Rio Grande do Sul, Brazil. The trials were carried out in the 2007, 2008 and 2009 crop seasons, in three municipalities: Augusto Pestana, Capão do Leão, and Passo Fundo. Fifteen cultivars were evaluated in a randomized block design, with four replicates. The contents of protein, lipid, and nitrogen-free extract were evaluated in the caryopsis. Cultivar performances for the measured characters varied according to location and year of cultivation. The cultivar URS Guapa showed high content of nitrogen-free extract and low contents of protein and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avena sativa; Bissegmented linear regression; Lipid; Nitrogen-free extract; Nutritional quality; Protein.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000100006

Repeatability of associations between analytical methods of adaptability, stability, and productivity in soybean
Provedor de dados: 86
Autores: Woyann,Leomar Guilherme; Milioli,Anderson Simionato; Bozi,Antonio Henrique; Dalló,Samuel Cristian; Matei,Gilvani; Storck,Lindolfo; Benin,Giovani.
Abstract: The objective of this work was to evaluate the association between estimates of adaptability, stability, and productivity in soybean (Glycine max), and to estimate the repeatability coefficient of these associations between years. A total of 22 genotypes were evaluated in 27 environments in the 2012/2013 crop season and in 19 environments in 2013/2014. In the next crop seasons, 28 genotypes were evaluated in 26 environments, in 2014/2015, and in 25 environments in 2015/2016, totalizing 97 trials. Fourteen methods were evaluated; Spearman correlation coefficients were obtained for the parameters of stability, adaptability, and productivity; and the repeatability coefficients, as well as the minimum number of required environments for a coefficient...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Cultivar recommendation; Genotype x environment interaction.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018000100063

Agronomic performance of modern soybean cultivars in multi-environment trials
Provedor de dados: 86
Autores: Matei,Gilvani; Benin,Giovani; Woyann,Leomar Guilherme; Dalló,Samuel Cristian; Milioli,Anderson Simionato; Zdziarski,Andrei Daniel.
Abstract: The objective of this work was to evaluate the productive performance, and the adaptability and stability parameters of modern soybean (Glycine max) cultivars in multi-environment trials, as well as to identify the ideal genotypes for eight growing environments in Brazil. A randomized complete block experimental design was carried out, with three replicates, for the evaluation of 46 soybean cultivars in eight environments, in the microregions of adaptation 102, 201, and 202, in the 2014/2015 crop season. A complex genotype x environment interaction occurred, with changes in the ranking of genotypes among locations. The NA 5909 RG, M6410IPRO, NS 5959 IPRO, NS6823RR, M5917IPRO, NS 6767 RR, and 6563RSF IPRO cultivars showed the highest mean yields....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; Adaptability and stability; Genotype x environment interaction; GGE biplot; Mixed models.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2017000700500

Identification of core locations for soybean breeding in Southern Brazil
Provedor de dados: 86
Autores: Matei,Gilvani; Zdziarski,Andrei Daniel; Woyann,Leomar Guilherme; Zanella,Rodrigo; Batti,Vinícius de Bitencourt Bez; Benin,Giovani.
Abstract: The objective of this work was to identify core locations in two soybean macroregions in Brazil for the evaluation and selection of soybean (Glycine max) lineages. Twenty-two cultivars were tested in 23 locations in these two macroregions (MR1 and MR2), during four years, from 2012 to 2015. Trials were conducted in a randomized complete block design with three replicates. All analyses were performed using the GGEbiplot software. The genotype main effects plus genotype × location interaction + genotype main effects plus genotype × environment interaction and genotypic effect vs. genotype x environment effect analyses were used to identify core locations, i.e., locations with high representativeness and consistency of results. Chapada, in the state...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Glycine max; GGL + GGE; Soybean macroregion; Test locations.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2019000102809

Heterosis and genetic parameters for grain quality in oat segregating populations
Provedor de dados: 63
Autores: Silveira,Solange Ferreira da Silveira; Hawerroth,Maraisa Crestani; Oliveira,Danyela de Cássia da Silva; Woyann,Leomar Guilherme; Almeida,Helaine Claire Ferreira de; Luz,Viviane Kopp da; Thurow,Liamara; Silva,Raíssa Martins da; Gutkoski,Luiz Carlos; Maia,Luciano Carlos da; Oliveira,Antonio Costa de.
ABSTRACT Improvement of quality-related traits of grains is a constant concern in white oat breeding programs, which challenges breeders to understand their dynamics. The performance of different genetic combinations must be thoroughly evaluated to make high nutritional quality cultivars available. This study aimed to estimate the heterosis on F1 and F2 generations, vigor loss, due to inbreeding, and correlation between the grain chemical components to understand the dynamics of these traits, considering two segregating oat progenies. The populations Albasul × UPF 15 (population 1) and IAC 7 × UFRGS 19 (population 2) were developed. Both populations showed transgressive segregant individuals. The combination Albasul × UPF 15 provided significant heterosis...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Avena sativa; Functional food; Artificial hybridization; Correlation.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162016000500471

Seleção efetiva para o caráter número de afilhos em populações segregantes de trigo
Provedor de dados: 53
Autores: Valério,Igor Pirez; Carvalho,Fernando Irajá Félix de; Oliveira,Antonio Costa de; Benin,Giovani; Silveira,Gustavo da; Schmidt,Douglas André Manmann; Stumpf,Marcelo Tempel; Woyann,Leomar Guilherme.
O ganho genético obtido com a seleção em gerações segregantes é dependente do cruzamento, das condições experimentais e do caráter alvo de seleção. O objetivo deste trabalho foi determinar o ganho com a seleção em planta espaçada, na geração F2 para número de afilhos, utilizando diferentes critérios de seleção, além de verificar a efetividade destas seleções na geração subseqüente, nos métodos de semeadura deplanta espaçada e linha cheia. As gerações segregantes foram desenvolvidos em 2006 (F2) e 2007 (F2 e F3), sendo a geração F3 avaliada em planta espaçada e linha cheia. Foram empregados três critérios de seleção: a) elevado número de afilhos e alta produção de grãos; b) reduzido número de afilhos com elevada produção de grãos e c) bulk da população....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Triticum aestivum L.; Método de semeadura; Herdabilidade e ganho genético.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052009000400008

Statistical methods to study adaptability and stability of wheat genotypes
Provedor de dados: 53
Autores: Bornhofen,Elesandro; Benin,Giovani; Storck,Lindolfo; Woyann,Leomar Guilherme; Duarte,Thiago; Stoco,Matheus Giovane; Marchioro,Sergio Volmir.
ABSTRACT The sensitivity of wheat crop to environmental variations frequently results in significant genotype (G) x environment (E) interaction (GEI). We compared statistical methods to analyze adaptability and stability of wheat genotypes in value for cultivation and use (VCU) trials. We used yield performance data of 22 wheat genotypes evaluated in three locations (Guarapuava, Cascavel, and Abelardo Luz) in 2012 and 2013. Each trial consisted of a complete randomized block design with three replications. The GEI was evaluated using methodologies based on mixed models, analysis of variance, linear regression, multivariate, and nonparametric analysis. The Spearman’s rank correlation coefficient was used to verify similarities in the genotype selection...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Triticum aestivum L.; Univariate and multivariate methods; Rank correlation; Grain yield; Multi-environment trials.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052017000100001