Search Results - "Luiz Carlos Federizzi"

Genome–wide association mapping for heading date in oats under subtropical environments by Zimmer, Cristiano Mathias, Oliveira, Guilherme, Arruda, Klever Márcio Antunes, Pacheco, Marcelo Teixeira, Federizzi, Luiz Carlos

“…Selection for heading date has been a decisive factor to increase areas cropped with oats in Brazil. Although important to oat breeders, genomic regions…”
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Crown rust on oat genotypes with different levels of resistance: damages and losses by Lovatto, Maike, Silva, Gerarda Beatriz Pinto da, Coelho, Filipe Kalikoski, Martinelli, José Antonio, Pacheco, Marcelo Teixeira, Federizzi, Luiz Carlos, Delatorre, Carla Andréa

“…The evolution in virulence of Puccinia coronata f. sp. avenae has challenged the genetic resistance to crown rust in oat genotypes. New resistance sources are…”
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[ARTICLE PARTIAL RETRACTION] Organic acid carriers in tolerance to toxic aluminum in wheat by Silva, Gerarda Beatriz Pinto da, Zanella, Camila Martini, Delatorre, Carla Andréa, Chaves, Márcia Soares, Martinelli, José Antônio, Federizzi, Luiz Carlos

“…Aluminum (Al) toxicity in plants is seen in about 15% of the soils worldwide, restraining yields in arable land. In Brazil, acidic soils limit production of…”
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Grain yield stability of wheat genotypes under irrigated and non-irrigated conditions by Okuyama, Lauro Akio(Instituto Agronômico do Paraná), Federizzi, Luiz Carlos(Universidade Federal do Rio grande do Sul Faculdade de Agronomia), Barbosa Neto, José Fernandes(Universidade Federal do Rio grande do Sul Faculdade de Agronomia)

“…Analyses of genotype by environment interactions were carried out for wheat genotypes grown under irrigated and non-irrigated field conditions, in two sowing…”
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URS Brava - a new oat cultivar with partial resistance to crown rust by Federizzi, Luiz Carlos, Pacheco, Marcelo Teixeira, Nava, Itamar Cristiano

“…The cultivar URS Brava, obtained from a simple cross between the line 'UFRGS 995078-2' and the cultivar 'URS 21', shows high grain yield and stability, high…”
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Lesion size as a criterion for screening oat genotypes for resistance to leaf spot by da Silva, Márcia Ruff, Martinelli, José Antônio, Federizzi, Luiz Carlos, Chaves, Márcia Soares, Pacheco, Marcelo Teixeira

“…In Brazil, increased leaf spot disease ( Pyrenophora chaetomioides Speg.) frequency and intensity on cultivated spring oat ( Avena sativa ) requires that plant…”
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Phenotypic, cytogenetic and spike fertility characterization of a population of male-sterile triticale by Guerra, Divanilde, Pacheco, Marcelo Teixeira, Federizzi, Luiz Carlos

“…Triticale (X Triticosecale Wittmack) is a good cereal for production of flour and feed. A segregating population of triticale was developed from a male-sterile…”
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Genetic analysis of the naked trait in panicles of hexaploid oat by Ana Paula Fontana Valentini, Pellizzaro, Kelly, Marcelo Teixeira Pacheco, Federizzi, Luiz Carlos

“…The aim of this study was to estimate the number of genes that control the naked (hull-less) trait and the mode of expression of this characteristic in…”
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Analysis of self-fertilization and meiotic behavior of eleven Brazilian triticale cultivars at two sowing dates by Guerra, Divanilde, Pacheco, Marcelo Teixeira, Federizzi, Luiz Carlos

“…Eleven Brazilian hexaploid triticale cultivars (2n = 6x = 42), from three breeding programs, were evaluated for their ability of self-fertilization in 2006 and…”
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Inheritance of Aluminum Tolerance and its Effects on Grain Yield and Grain Quality in Oats (Avena Sativa L.) by Nava, I.C, Delatorre, C.A, Duarte, I.T. de L, Pacheco, M.T, Federizzi, L.C

“…Aluminum toxicity due to the cation Al^sup +3^ is a major factor limiting yields in acid soils. Wide genetic variability to aluminum tolerance is found in oat…”
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Estimation of soybean genetic progress in the South of Brazil using multi-environmental yield trials by Lange, Cláudia Erna(Instituto Rio Grandense do Arroz Setor de Agronomia), Federizzi, Luiz Carlos(UFRGS Faculdade de Agronomia Depto. de Plantas de Lavoura)

“…The success of a genetic breeding program in a certain period can be assessed by the genetic gain observed. Genetic progress can be estimated from the multi…”
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Inheritance of resistance to oat crown rust in recombinant inbred lines by Graichen, Felipe André Sganzerla(UFRGS Programa de Pós-Graduação em Fitotecnia), Martinelli, José Antônio(UFRGS Depto. de Fitossanidade), Federizzi, Luiz Carlos(UFRGS Depto. Plantas de Lavoura), Pacheco, Marcelo Teixeira(UFRGS Depto. Plantas de Lavoura), Chaves, Márcia Soares(Embrapa Trigo), Wesp, Caroline de Lima(UFRGS Programa de Pós-Graduação em Fitotecnia)

“…Crown rust is the main disease affecting oats (Avena sativa L.), and genetic resistance has been the chief method utilized to control this disease. A…”
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Inheritance of rice cold tolerance at the germination stage by Cruz, Renata Pereira da, Milach, Sandra Cristina Kothe, Federizzi, Luiz Carlos

“…Cold tolerance during germination is important for ensuring fast and uniform establishment of a rice crop early in the season. However, evaluation of this…”
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Caracterização fenotípica e genotípica de caracteres agronômicos em uma população de linhagens recombinantes de aveia (Avena sativa L.) by Cover, Carolina, Federizzi, Luiz Carlos, Pacheco, Marcelo Teixeira

“…O melhoramento genético de aveia envolve a seleção de múltiplos caracteres quantitativos e qualitativos. O conhecimento das regiões genômicas que afetam essas…”
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Genetic control of agronomic traits in an oat population of recombinant lines by Nava, Itamar Cristiano(Universidade Estadual do Centro-Oeste Departamento de Agronomia), Duarte, Ismael Tiago de Lima(Universidade Federal do Rio Grande do Sul Faculdade de Agronomia Departamento de Plantas de Lavoura), Pacheco, Marcelo Teixeira(Universidade Federal do Rio Grande do Sul Faculdade de Agronomia Departamento de Plantas de Lavoura), Federizzi, Luiz Carlos(Universidade Federal do Rio Grande do Sul Faculdade de Agronomia Departamento de Plantas de Lavoura)

“…Understanding the genetic control of phenotypic traits is essential to increase the efficiency of selection for adapted, high-yielding genotypes. The purpose…”
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Morphological, anatomical, and chemical characteristics associated with lodging resistance in Avena sativa by Argenta, Jéssica, Pacheco, Marcelo Teixeira, de Araujo Mariath, Jorge Ernesto, Federizzi, Luiz Carlos

“…In subtropical environments lodging occurs at all stages of the oat plant development, particularly after panicle extrusion, causing severe yield reduction…”
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Germplasm the key factor for development of oat cultivars URS OLADA And URS POENTE by Pacheco, Marcelo Teixeira, Harrison, Stephen, Federizzi, Luiz Carlos

“…Cultivars URS OLADA and URS POENTE, with superior agronomic performance were bred by the Oat Breeding Program of UFRGS. These cultivars were developed using…”
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Correlation and path analysis of yield and its components and plant traits in wheat by Okuyama, Lauro Akio, Federizzi, Luiz Carlos, Barbosa Neto, José Fernandes

“…This study was aimed to characterize yield components and plant traits related to grain yield. Correlation and path analysis were carried out in wheat…”
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Plant traits to complement selection based on yield components in wheat by Okuyama, L.A, Federizzi, L.C, Barbosa Neto, J.F

“…The aim of the present study was to investigate the relationship between plant traits and yield per spike in wheat genotypes. The measured plant traits were:…”
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Resistência parcial à ferrugem-da-folha em genótipos de aveia by Thomé, Gladis Cleci Hermes, Milach, Sandra Cristina Kothe, Federizzi, Luiz Carlos

“…O objetivo deste trabalho foi determinar os diferentes níveis de resistência à ferrugem-da-folha em genótipos de aveia, e avaliar seu efeito sobre componentes…”
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