Ronald José Barth Pinto

ORCID: 0000-0002-2850-4951
Publications
Citations
Views
---
Saved
---
About
Contact & Profiles
Research Areas
  • Genetics and Plant Breeding
  • Crop Yield and Soil Fertility
  • Genetic Mapping and Diversity in Plants and Animals
  • Banana Cultivation and Research
  • Growth and nutrition in plants
  • Sugarcane Cultivation and Processing
  • Genetic and phenotypic traits in livestock
  • Wheat and Barley Genetics and Pathology
  • Plant tissue culture and regeneration
  • Plant Disease Resistance and Genetics
  • Genetically Modified Organisms Research
  • Agricultural Practices and Plant Genetics
  • Plant Reproductive Biology
  • Plant Physiology and Cultivation Studies
  • Insect Resistance and Genetics
  • Mycotoxins in Agriculture and Food
  • Greenhouse Technology and Climate Control
  • Soybean genetics and cultivation
  • Plant Pathogens and Fungal Diseases
  • Sunflower and Safflower Cultivation
  • Soil Management and Crop Yield
  • Agricultural pest management studies
  • Agricultural Economics and Practices
  • Chromosomal and Genetic Variations
  • Seed Germination and Physiology

Universidade Estadual de Maringá
2014-2023

State University of Norte Fluminense
2010

European Union of Medical Specialists
2003-2008

Fusarium ear rot [caused by verticillioides (Sacc.) Nirenberg] is one of the most prevalent diseases maize ( Zea mays L.) worldwide, and has greatest negative economic impacts on this cereal crop globally. a highly complex trait, under polygenic control with minor effects per gene moderate heritability, strongly influenced environmental conditions. The aim study was to identify genomic regions, including putative candidate genes, associated resistance starburst pattern caused F. artificial...

10.2135/cropsci2017.05.0322 article EN Crop Science 2018-02-01

Popcorn is a popular snack food with higher economic value compared to field corn varieties of maize ( Zea mays L.), but displays less favorable agronomic performance and greater susceptibility diseases. The objective the present work was study mode inheritance popping expansion (PE) from three different crosses popcorn × flint classical model mixed using inbred lines derived tropical germplasm. will investigate if PE encoded by one or two major genes, few genes large effect, multiple small...

10.2134/agronj2019.04.0295 article EN Agronomy Journal 2019-07-18

O objetivo deste trabalho foi comparar critérios para seleção de genótipos girassol com base na média geral obtida em vários locais e sua decomposição ambientes favoráveis desfavoráveis por meio outros métodos análise adaptabilidade estabilidade, como os Eberhart & Russell, Lin Binns, Carneiro Carvalho et al. Foram analisados dados obtidos entre anos 1999 2004 Rede Nacional Ensaios Girassol, coordenada pela Embrapa Soja que conta a participação empresas públicas privadas. Os caracteres...

10.1590/s0100-204x2007000400006 article PT cc-by Pesquisa Agropecuária Brasileira 2007-04-01

Gray leaf spot is a maize foliar disease with worldwide distribution and can drastically reduce the production in susceptible genotypes. Published works indicate that resistance to gray complex trait controlled by multiple genes, additive effect influenced environment. The aim of this study was identify genomic regions, including putative associated under natural conditions occurrence. A genome wide association conducted 355,972 single nucleotide polymorphism markers on phenotypic data...

10.1371/journal.pone.0199539 article EN cc-by PLoS ONE 2018-06-28

Popcorn is a popular snack food with higher grain value compared “field corn” maize ( Zea mays L.). In general, popcorn germplasm less improved than common cultivars, favorable agronomic performance and greater susceptibility to pests, diseases, lodging, especially in tropical environments. One approach expanding improving introduce alleles for from field corn. If markers tagging quantitative trait loci (QTLs) associated popping expansion were identified, they could be selected maintain...

10.2135/cropsci2019.02.0101 article EN Crop Science 2019-07-11

Realizaram-se cruzamentos dialélicos entre nove populações de milho-pipoca (Zea mays L.) - UNB-2, RS-20, UEM-J1, UEM-M2, CMS-42, CMS-43, Viçosa, Beija-flor e a geração avançada do híbrido triplo Zélia para obtenção dos 36 híbridos F1's fim alcançar informação valores da capacidade combinatória heterose. Essas os foram avaliados em ensaios, dois anos agrícolas (98/99 99/00), Iguatemi (PR), com três repetições por ano. Os resultados permitiram recomendar compostos formados as alta geral...

10.1590/s0006-87052002000300003 article PT Bragantia 2002-12-01

This study aimed to investigate the combining ability and heterotic effects on grain yield (GY), oil content (OC) crude protein (CP) in tropical temperate maize lines. Hybrids inbred lines were evaluated a complete diallel scheme without reciprocals, two experiments randomized blocks with three replications. The partitioning of sum squares for general (GCA) specific (SCA) indicated that both additive non-additive involved genetic control studied traits. estimates quadratic components showed...

10.1590/s1984-70332014000100004 article EN cc-by Crop Breeding and Applied Biotechnology 2014-03-01

The development of new popcorn cultivars that include wide adaptation, high stability and superior performance characteristics is one the main alternatives to mitigate effects genotype × environment interaction. In this sense, our goal was evaluate adaptability hybrids using Bayesian additive multiplicative interaction (BAMMI) method for grain yield (GY) popping expansion capacity (PE) traits. We evaluated GY PE from 45 three commercial (IAC–125, Pop Top Ten) as checks in six different...

10.1590/1678-4499.20200467 article EN Bragantia 2022-01-01

Dez populações de milho-pipoca (PR 038, PR 079, RR 046, SC 016, 017, BRS Angela, 002, 009, 023 e SE 013) foram avaliadas com os objetivos obter estimativas depressão por endogamia componentes genéticos média. O delineamento experimental utilizado foi o blocos ao acaso em esquema parcelas subdivididas, nos quais tratamentos primários níveis (S1 S0) secundários as populações, três repetições. ensaio conduzido nas cidades Maringá Iguatemi-PR, no ano agrícola 2001/2002. Foram características...

10.1590/s0103-84782006000100006 article PT cc-by-nc Ciência Rural 2006-01-27

Despite a large availability of areas suitable for sunflower cropping in Central Brazil, few adapted cultivars are available the market. The objective this work was to select important production region. Experimental data from 2000 2004 were obtained by National Sunflower Trials, coordinated Embrapa Soja. evaluated traits grain and oil yields. Two criteria used selection cultivars: i) general mean different environments; ii) partitioning favorable unfavorable environments. Partitioning...

10.1590/s0103-90162008000200005 article EN cc-by Scientia Agricola 2008-04-01

Oito populações de milho-pipoca (CMS-42, CMS-43, Zélia, RS-20, Catedral, Zaeli, UEM-J1 e UEM-M2) foram avaliadas com o objetivo obter estimativas depressão por endogamia, componentes genéticos média comparar essas grupos populações. O delineamento experimental utilizado foi blocos ao acaso em esquema parcelas subdivididas, cujos tratamentos primários os níveis endogamia (S1 S0) secundários, as populações, três repetições, dois anos agrícolas (1998/99 1999/00). Foram várias características,...

10.1590/s0006-87052004000100006 article PT Bragantia 2004-01-01

Studies of genetic effects early selection maize based on seed quality traits are rare, especially those that use materials from different heterotic groups. These studies also useful in tropical environments and for the advancement sustainable agriculture with cropping during seasons not commonly used cultivation. We estimated, through diallel crosses, predominant expression agronomic general combining ability nine lines commercial hybrids specific hybrid combinations among them. In...

10.4238/vol10-3gmr1129 article EN PubMed 2011-09-30

Abstract Southern corn rust (SCR) is a fungal disease found on in several countries worldwide. In Brazil, the can result productivity losses of 65%, especially areas with history disease. this study, genetic architecture and identification genomic regions associated SCR resistance was investigated by performing genome‐wide association study. Genotyping‐by‐sequencing performed to carry out between single nucleotide polymorphism (SNP) markers phenotypic data from two environments panel 164...

10.1111/pbr.12718 article EN Plant Breeding 2019-06-21

Seis variedades de milho pipoca (Amarela, Roxa, Branca, Rosa-claro, Beija-flor e Viçosa), Zea mays L. (Poaceae), seus 15 híbridos F1’s recíprocos foram avaliados em um delineamento blocos ao acaso, com três repetições, instalado Viçosa, nos anos agrícolas 90/91 91/92, Visconde do Rio Branco, 91/92. Avaliaram-se os seguintes caracteres: altura da planta, espiga, peso grãos capacidade expansão. A variedade Viçosa foi indicada para ser usada ou como fonte linhagens uso programas melhoramento...

10.4025/actasciagron.v24i0.2265 article PT cc-by Acta Scientiarum Agronomy 2008-04-30

Abstract Knowledge about relationships between traits can contribute to raising the efficiency of selection superior genotypes. The objective this study was estimate correlations, direct and indirect effects agronomic, chemical physical kernels on popping expansion (PE) in popcorn ( Zea mays L.). trial carried out 2017/2018 growing season, Maringá ‐ PR, with 49 treatments, which consisted 43 popcorn, four flint, two sweet corn. arranged a randomized complete block design three replications....

10.1002/agj2.20645 article EN Agronomy Journal 2021-03-08

The objectives of this study were to indicate the best improvement strategy and select parents begin an program white grain popcorn based on combining ability heterosis eight populations selected in experiments northwestern region Parana. traits plant ear height, yield popping expansion evaluated. base populations, F1 five controls evaluated Maringa, state Parana, over course two years. Heterosis for was very low is raise values up commercial levels through intrapopulation BRS Angela SC 002....

10.12702/1984-7033.v06n02a04 article EN Crop Breeding and Applied Biotechnology 2006-06-30

Este trabalho teve como objetivo estimar a capacidade combinatória e depressão endogâmica de híbridos milho para caracteres agronômicos qualidade forragem. Foram avaliados nove milho, 36 combinações F1 oriundas um dialelo, populações S1 duas testemunhas, em dois experimentos delineados blocos completos ao acaso com três repetições, nas safras 2009/2010 2010/2011. Os genitores Impacto, CD304 DKB390 são recomendados formação composto ser submetido programa seleção recorrente visando à melhoria...

10.1590/1678-4499.0315 article PT Bragantia 2015-03-01

Abstract Fusarium ear rot (FER), caused by verticillioides (Sacc.) Nirenberg, is one of the major diseases that affect both yield and grain quality in maize ( Zea mays L.), especially tropical environments. genetic resistance a complex trait, controlled several small‐effect genes strongly influenced environment. We applied comprehensive genome‐wide association study genomic prediction for starburst symptoms, using 291,633 high‐quality single nucleotide polymorphism (SNPs) markers 320 inbred...

10.1002/csc2.20272 article EN Crop Science 2020-07-20

Abstract Guard cell (GC) length proved to be efficient in sorting diploids from haploids doubled haploid development maize ( Zea mays L). It compensates for the weakness of widely used R1‐nj marker approach that showed low reliability identification tropical genotypes. differs between and diploid plants, these differences were evaluated progeny three different induction crosses obtained using Krasnodar inducer. Epidermal impressions abaxial surface leaves removed second, third, fourth nodes...

10.1002/csc2.20004 article EN Crop Science 2020-04-07

In this study, we aimed to estimate general and specific combining abilities (GCA SCA, respectively) verify genetic divergence (Rogers distance, Unweighted Pair-Group Method Using Arithmetic Average - UPGMA) using microsatellite markers in maize inbred lines. a partial diallel scheme, total of 19 lines were crossed as (9 x 10), which derived from the single hybrids SG6015 P30F53, respectively. The 90 evaluated an incomplete randomized block design with common checks three replications during...

10.4025/actasciagron.v43i1.53540 article EN cc-by Acta Scientiarum Agronomy 2020-11-05
Coming Soon ...