Autor(es):
Santos, Wanderley dos [UNESP] ; Aguiar, Ananda Virginia ; Lemos Souza, Danilla Cristina [UNESP] ; Torres Dini, Diego Gabriel [UNESP] ; Souza, Francine Beatriz de [UNESP] ; Dalastra, Cleiton [UNESP] ; Rabelo Machados, Jose Arimateia ; Sousa, Valderes Aparecida de ; Teixeira de Moraes, Mario Luiz [UNESP] ; Menezes Freitas, Miguel Luiz ; Sebbenn, Alexandre Magno
Data: 2019
Identificador Persistente: http://hdl.handle.net/11449/185116
Origem: Oasisbr
Assunto(s): Tropical trees; Ex situ conservation; Quantitative genetics; Tropical trees; Tropical trees; Ex situ conservation; Ex situ conservation; Quantitative genetics; Quantitative genetics
Descrição
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Genetic and phenotypic parameters of fork (BIF), stem form (RET) and diameter at breast height (DBH) for Dipteryx alata provenances and progenies were assessed. The trial was lead in a randomized block design, with 43 treatments (26 and 17 progenies from the municipalities of Tres Lagoas and Brasilia in the state of Mato Grosso do Sul and Distrito Federal, Brazil, respectively) and five plants per plot. The spacing between plants was 3 x 3 meters. The data analysis was performed using the REML/BLUP method (restricted maximum likelihood best linear unbiased prediction). Significant differences were detected between progenies only for DBH. The individual genetic values ranged from 3.7 to 21.7 % for BIF and DBH; genetic variation among progenies ranged from 9 to 10.5 % for BIF and DBH among provenances. Individual heritability in the strict sense was high for DBH (minimum from 0.31), revealing the potential for genetic improvement. Provenance and progenies trial showed genetic variability which can be exploited in forest improvement programs with a broad genetic base.
Univ Estadual Paulista, Agron, Sao Paulo, SP, Brazil
Ctr Nacl Pesquisa Florestas, Empresa Brasileira Pesquisa Agr, Colombo, PR, Brazil
Univ Estadual Paulista, Ciencia Florestal, Sao Paulo, SP, Brazil
Inst Florestal Estado Sao Paulo, Divisao Florestas & Estacoes Expt, Bauru, SP, Brazil
Univ Estadual Paulista, Dept Fitotecnia, Iha Solteira, SP, Brazil
Inst Florestal Estado Sao Paulo, Secretaria Meio Ambiente Estado Sao Paulo, Sao Paulo, SP, Brazil
Univ Estadual Paulista, Agron, Sao Paulo, SP, Brazil
Univ Estadual Paulista, Ciencia Florestal, Sao Paulo, SP, Brazil
Univ Estadual Paulista, Dept Fitotecnia, Iha Solteira, SP, Brazil
