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Browsing Artigos by Title

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  • Waldschmid, A. M.; Marco-Junior, P.; Barros, E. G.; Campos, L. A. O. (Brazilian Journal of Biology, 2002-11)
    Melipona quadrifasciata ("mandaçaia") can be subdivided into two subspecies: M. q. anthidioides and M. q. quadrifasciata. In the present study we used RAPD markers to estimate intercolonial genetic variation among 69 ...
  • Marco-Junior, P.; Waldschmidt, A. M; Barros, E. G; Campos, L. A. O (Brazilian Journal of Biology, 2002-11-30)
    Melipona quadrifasciata ("mandaçaia") can be subdivided into two subspecies: M. q. anthidioides and M. q. quadrifasciata. In the present study we used RAPD markers to estimate intercolonial genetic variation among 69 ...
  • Bernardino, Karine C.; Pastina, Maria Marta; Menezes, Cícero B.; Sousa, Sylvia M. de; Maciel, Laiane S.; Carvalho Jr., Geraldo; Guimarães, Claudia T.; Barros, Beatriz A.; Silva, Luciano da Costa e; Carneiro, Pedro C. S.; Schaffert, Robert E.; Kochian, Leon V.; Magalhaes, Jurandir V. (BMC Plant Biology, 2019)
    Phosphorus (P) fixation on aluminum (Al) and iron (Fe) oxides in soil clays restricts P availability for crops cultivated on highly weathered tropical soils, which are common in developing countries. Hence, P deficiency ...
  • Rabelo, Hudson de Oliveira; Guimarães, João Filipi Rodrigues; Pinheiro, José Baldin; Silva, Edson Ferreira da (Crop Breeding and Applied Biotechnology, 2015-03-16)
    The aim of this study was to estimate the genetic base of Brazilian irrigated rice cultivars released in the period from 1965 to 2012. The genealogies of the cultivars were obtained based on information from marketing ...
  • Pompolo, Silvia G.; Santos, Rebeca P.; Mariano, Cléa S. F.; Delabie, Jacques H. C.; Costa, Marco A.; Lima, Kátia M.; Fernandes, Itanna O.; Miranda, Elder A.; Carvalho, Antonio F.; Silva, Janisete G. (Journal of Insect Science, 2018-07)
    The foetida species complex comprises 13 Neotropical species in the ant genus Neoponera Emery (1901). Neoponera villosa Fabricius (1804) , Neoponera inversa Smith (1858), Neoponera bactronica Fernandes, Oliveira & Delabie ...
  • Cruz, Cosme Damião; Dias, Luiz Antônio dos Santos; Marita, Jane; Barros, Everaldo Gonçalves de; Salomão, Tânia Maria Fernandes (Brazilian Archives of Biology and Technology, 2003-06)
    The efficiency of cacao breeding program can be increased by choosing superior crosses to be made between divergent clones. We assessed the genetic distance among five clones with RAPD data (genetic distance - GD) and with ...
  • Tavares, Mara Garcia; Pietrani, Nathalia Teixeira; Durvale, Maxwell de Castro; Resende, Helder Canto; Campos, Lucio Antonio de Oliveira (Genetics and Molecular Biology, 2012-08-13)
    Melipona quadrifasciata is a stingless bee widely found throughout the Brazilian territory, with two recognized subspecies, M. quadrifasciata anthidioides, that exhibits interrupted metasomal stripes, and M. quadrifasciata ...
  • Tavares, Mara Garcia; Dias, Luiz Antonio dos Santos; Borges, Andréia Arantes; Lopes, Denilce Meneses; Busse, Angélica Helene Pereira; Costa, Ronaldo Guimarães; Salomão, Tânia Maria Fernandes; Campos, Lucio Antonio de Oliveira (Genetics and Molecular Biology, 2007)
    Allozyme, microsatellite and random amplified polymorphic DNA (RAPD) molecular markers were used to investigate the within and between population genetic variability and between population genetic differentiation of the ...
  • Rodrigues, Haroldo Silva; Borém, Aluízio; Valente, Mágno Sávio Ferreira; Lopes, Maria Teresa Gomes; Cruz, Cosme Damião; Chaves, Francisco Célio Maia; Bezerra, Caroline de Souza (Acta Amazonica, 2018-04)
    Sacha inchi (Plukenetia volubilis) is native to the Amazon region and has a high seed content of mono and polyunsaturated fatty acids, making it interesting for the pharmaceutical and cosmetic industry. The purpose of this ...
  • Santos, I.G.; Teodoro, P.E.; Farias, F.C.; Farias, F.J.C.; Carvalho, L.P.; Rodrigues, J.I.S.; Cruz, C.D. (Genetics and Molecular Research, 2017-04-13)
    Using commercial cultivars to compose crossing blocks in cotton is a promising strategy, because these materials have desirable agronomic and technological characteristics. The objective of this study was to evaluate the ...
  • Carvalho, de LP; Farias, FJ; Rodrigues, JI; Suassuna, ND; Teodoro, PE (Genetics and Molecular Research, 2017-02-08)
    Studying genetic diversity among a group of genotypes is important in genetic breeding because identifying hybrid combinations of greater heterotic effect also increases the chance of obtaining plants with favorable allele ...
  • Rossi, Ana Aparecida Bandini; Oliveira, Luiz Orlando de; Venturini, Bruna Afonso; Silva, Roberta dos Santos (Genetica, 2008-08-05)
    Ipecac (Psychotria ipecacuanha) is a perennial, medicinal herb that grows in the understory of semi-deciduous tropical forests in the Neotropics. Ipecacs present a widely disjunct distribution, with two of its three ranges ...
  • Mundim, Gabriel Borges; Viana, José Marcelo Soriano; Maia, Ciro; Paes, Geı́sa Pinheiro; DeLima, Rodrigo Oliveira (Euphytica, 2012-12-15)
    Popcorn inbred lines with more efficient nitrogen use are better able to uptake nitrogen from the soil and convert it into higher grain yield, resulting in lower environmental and economic impacts caused by nitrogen ...
  • Leão, Patrícia Coelho de S.; Cruz, Cosme Damião; Motoike, Sérgio Y. (Revista Brasileira de Fruticultura, 2010-05-21)
    The objectives of this study were to evaluate the performance of cultivars, to quantify the variability and to estimate the genetic distances of 66 wine grape accessions in the Grape Germplasm Bank of the EMBRAPA Semi-Arid, ...
  • Miranda, Elder Assis; Batalha-Filho, Henrique; Oliveira, Priscila Santos; Alves, Rogério Marcos Oliveira; Campos, Lucio Antonio Oliveira; Waldschmidt, Ana Maria (Hindawi Publishing Corporation Psyche, 2011-10-12)
    In order to evaluate the genetic diversity and structure of Melipona mandacaia, we analyzed 104 colonies collected in 12 localities in Bahia state, northeastern Brazil, using ISSR-PCR. A total of 109 bands were obtained ...
  • Faria, G.M.P. de; Sanchez, C.F.B.; Carvalho, L.P. de; Oliveira, M. da Silva; Cruz, C.D. (Genetics and Molecular Research, 2016-10-21)
    Brazil is among the five largest producers of cotton in the world, cultivating the species Gossypium hirsutum L. r. latifolium Hutch. The cultivars should have good fiber quality as well as yield. Genetic improvement of ...
  • Ribeiro, Larissa Pereira; Bhering, Leonardo Lopes; Carvalho, Luiz Paulo de; Farias, Francisco José Correia; Rodrigues, Josiane Isabela da Silva; Teodoro, Paulo Eduardo (Bragantia, 2018-07)
    The objective of this work was to estimate the predicted genetic gains with the simultaneous selection of agronomic and technological traits from elite cotton lines using selection indexes. Data from the evaluation of 36 ...
  • Bhering, Leonardo Lopes; Salgado, Caio Césio; Sanchez, Carlos Felipe Barrera; Laviola, Bruno Galvêas; Rosado, Tatiana Barbosa; Alves, Alexandre Alonso (Pesquisa Agropecuária Brasileira, 2012-02-29)
    The objective of this work was to estimate genetic gains in physic nut (Jatropha curcas) using selection indexes and to establish the best selection strategy for the species. Direct and indirect selection was carried out ...
  • Lopes, K.V.; Teodoro, P.E.; Silva, F.A.; Silva, M.T.; Fernandes, R.L.; Rodrigues, T.C.; Faria, T.C.; Corrêa, A.M. (Genetics and Molecular Research, 2017-05-18)
    Estimating genetic parameters in plant breeding allows us to know the population potential for selecting and designing strategies that can maximize the achievement of superior genotypes. The objective of this study was to ...
  • Laviola, Bruno Galvêas; Rosado, Tatiana Barbosa; Bhering, Leonardo Lopes; Kobayashi, Adilson Kenji; Resende, Marcos Deon Vilela de (Pesquisa Agropecuária Brasileira, 2010-10)
    The objective of this work was to estimate the genetic parameters and variability among accessions (half-sib families) of physic nut (Jatropha curcas) during the early stages of development. For this study, 110 accessions ...

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