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Navegação Periódicos por autor "Sakiyama, Ney Sussumu"
Itens para a visualização no momento 1-20 of 26
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(Sociedade Brasileira de Ciência do Solo, 2006-03)Comparativamente ao pé-franco, a combinação enxerto/porta-enxerto altera os complexos mecanismos de "feedback" entre parte aérea e raízes, afetando de maneira positiva ou negativa a eficiência nutricional da planta. Este ... -
(Instituto Agronômico (IAC), 2009-07)EST-SSR markers were used to investigate the genetic diversity among and within coffee populations, to explore the possibility of their use for fingerprinting of cultivars and to assist breeding programs. Seventeen markers, ...
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Breeding potential and genetic diversity of “Híbrido do Timor” coffee evaluated by molecular markers(Crop Breeding and Applied Biotechnology, 2010-06-20)AFLP, RAPD and SSR molecular markers were used to study the genetic diversity and genetic structure of the Híbrido de Timor germplasm. The principal coordinate analysis, UPGMA cluster analysis based on genetic dissimilarity ...
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(Crop Breeding and Applied Biotechnology, 2004-03-12)Eighteen clones of differential coffee tree hosts for Hemileia vastatrix Berk. et Br. were characterized with RAPD markers. The genetic distances were estimated and the genealogical origin of the clones compared to data ...
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(Crop Breeding and Applied Biotechnology, 2004)Grafted Coffea arabica L. plants were grown hydroponically in a greenhouse for an evaluation of their nutritional efficiency under the influence of different rootstocks. Four C. arabica genotypes were used as scions: ‘Catuaí ...
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(Editora da Universidade Estadual de Maringá - EDUEM, 2022-03-09)Coffee outturn can be defined as the ratio between the harvested coffee and its respective processed grains. This character is greatly influenced by genotypic and environmental effects, and in breeding programs your analysis ...
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(Universidade Federal de Santa Maria, 2008-09)O estudo da eficiência nutricional de plantas enxertadas de cafeeiro é importante para a seleção de combinações enxerto/porta-enxerto visando desenvolvimento e produção máximos. O presente trabalho teve como objetivo avaliar ...
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(Crop Breeding and Applied Biotechnology, 2004-07-07)This study evaluated the adequacy of the composition of three clonal Coffea canephora varieties recommended for the State of Espírito Santo by a multivariate method designated discriminant analysis. This method consists ...
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Eficiência de absorção e utilização de boro, zinco, cobre e manganês em mudas enxertadas de cafeeiro(Universidade Federal de Viçosa, 2011-01)O estudo da eficiência nutricional de plantas enxertadas de cafeeiro é importante para a seleção de combinações enxerto/porta-enxerto, visando atingir melhor desenvolvimento e produção. Este trabalho teve como objetivo ...
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(Editora UFLA, 2009-07)O estudo da eficiência nutricional de plantas de cafeeiro (Coffea. arabica) enxertadas visou conhecer preliminarmente os potenciais de clones de Conilon (C. canephora) como porta-enxertos quanto à absorção e utilização de ...
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(Crop Breeding and Applied Biotechnology, 2002)Grafted young coffee trees were observed in a greenhouse to study the effect of different scions and rootstocks on plant growth. Four Coffea arabica L. genotypes were used as scions: the cultivars Catuaí Vermelho IAC 15 ...
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(Sociedade Brasileira de Genética, 2010)Sequences potentially associated with coffee resistance to diseases were identified by in silico analyses using the database of the Brazilian Coffee Genome Project (BCGP). Keywords corresponding to plant resistance mechanisms ...
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(Empresa Brasileira de Pesquisa Agropecuária - Embrapa, 2011-08)O objetivo deste trabalho foi identificar marcadores moleculares relacionados à resistência do cafeeiro (Coffea arabica) à ferrugem (Hemileia vastatrix). Foram identificadas sequências de DNA potencialmente envolvidas na ...
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(Crop Breeding and Applied Biotechnology, 2013-12)This work aimed to characterize accessions that represent the C. canephora germplasm conserved and cultivated in Brazil. A total of 130 accessions from germplasm banks of IAC (São Paulo), UFV (Minas Gerais) and also collected ...
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(Crop Breeding and Applied Biotechnology, 2007-06-30)A partial map of Coffea arabica L. was constructed based on a backcross population and RAPD markers. From a total of 178 markers evaluated, only 134 that segregated 1:1 (P>0.05) were used to develop the map. Seventeen ...
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(Crop Breeding and Applied Biotechnology, 2010)Thirty-three coffee SSR primers from enriched genomic library with (GT)15 and (AGG)10 repeats were analyzed in 24 coffee tree accessions. Twenty-two primers were polymorphic among accessions; the number of alleles ranged ...
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(Universidade Federal de Santa Maria, 2005-05)O desenvolvimento de plantas de Coffea arabica L., em função do porta-enxerto, foi avaliado em condições de campo, na fazenda Jatobá município de Paula Cândido – MG. Utilizaram-se como enxerto quatro genótipos de C. arabica ...
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Receptor-Like Kinase (RLK) as a candidate gene conferring resistance to Hemileia vastatrix in coffee(Escola Superior de Agricultura "Luiz de Queiroz", 2021)The biotrophic fungus Hemileia vastatrix causes coffee leaf rust (CLR), one of the most devastating diseases in Coffea arabica. Coffee, like other plants, has developed effective mechanisms to recognize and respond to ...
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(Crop Breeding and Applied Biotechnology, 2004)This study aimed to estimate the repeatability coefficient of the grain yield in Coffea canephora by three methods: to quantify the precision of the measurements; to predict the real value of an individual based on n ...
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(Crop Breeding and Applied Biotechnology, 2002)The genetic diversity of Coffea arabic L. cultivars is relatively narrow and its assessment and increase is important for breeding. Fifty two arbitrary primers were used to evaluate the reproducibility and the influence ...
Itens para a visualização no momento 1-20 of 26
