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Navegação Brazilian Archives of Biology and Technology por assunto "Coffee crop"

Navegação Brazilian Archives of Biology and Technology por assunto "Coffee crop"

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  • Genetic variability for frost resistance among coffea accessions assessed in the field and in a cold chamber
    Petek, Marcos Rafael; Sera, Tumoru; Alteia, Marcos Zorzenon (Instituto de Tecnologia do Paraná - Tecpar, 2005-01)
    The genetic variability for frost resistance was evaluated in field conditions and cold chamber among Coffea accessions. Results showed that C. liberica var. dewevrei and C. racemosa, as well as hybrids obtained from these ...
  • Resistance to leaf rust in coffee carrying SH3 gene and others SH genes
    Sera, Gustavo Hiroshi; Sera, Tumoru; Ito, Dhalton Shiguer; Azevedo, José Alves de; Mata, João Siqueira da; Dói, Deisy Saori; Ribeiro Filho, Claudionor; Kanayama, Fabio Seidi (Instituto de Tecnologia do Paraná - Tecpar, 2007-09)
    The aim of this work was to evaluate the resistance to rust in coffee carrying SH3 gene and other SH genes. Twenty one CIFC’s coffee trees with several resistance genes SH were evaluated in field conditions. All the evaluated ...
  • Selection for durable resistance to leaf rust using test-crosses on IAPAR-59 and Tupi IAC 1669-33 cultivars of Coffea arabica
    Sera, Gustavo Hiroshi; Sera, Tumoru; Ito, Dhalton Shiguer; Azevedo, José Alves de; Mata, João Siqueira da; Doi, Deisy Saori; Ribeiro Filho, Claudionor (Instituto de Tecnologia do Paraná - Tecpar, 2007-07)
    The aim of this study was to identify plants of the IAPAR-59 and Tupi IAC 1669-33 coffee cultivars with less defeated resistance genes by the rust races present at IAPAR (Londrina, Paraná State, Brazil) using test-crosses. ...

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