Divergência genética entre progênies de polinização aberta de Pinus caribaea var. hondurensis a partir de caracteres quantitativos

Wanderley dos Santos; Elton Gean Araújo; Danilla Cristina Lemos Souza; Janaína Rodrigues da Silva; Camila Regina Silva Baleroni Recco; Mário Luiz Teixeira de Moraes; Ananda Virginia de Aguiar

doi:10.4336/2016.pfb.36.86.920

Genetic divergence genetic between Pinus caribaea var. hondurensis progenies based on quantitative traits

Authors

Wanderley dos Santos Universidade Estadual Paulista Júlio de Mesquita Filho
Elton Gean Araújo Universidade Estadual Paulista Júlio de Mesquita Filho
Danilla Cristina Lemos Souza Universidade Estadual Paulista Júlio de Mesquita Filho
Janaína Rodrigues da Silva Universidade Estadual Paulista Júlio de Mesquita Filho
Camila Regina Silva Baleroni Recco Faculdades Integradas Stella Maris de Andradina
Mário Luiz Teixeira de Moraes Universidade Estadual Paulista Júlio de Mesquita Filho
Ananda Virginia de Aguiar Embrapa Florestas

DOI:

https://doi.org/10.4336/2016.pfb.36.86.920

Keywords:

Genetic breeding, Generalized Mahalanobis distance, Tocher optimization

Abstract

The proposal of this study was to estimate the genetic divergence among Pinus caribaea var. hondurensis progenies through quantitative traits. Trail was established in lattice design 10 x 10, triple, with 100 treatments (96 progenies from clonal seed orchard of P. caribaea var. hondurensis and four controls). The genetic divergence was estimated using the generalized Mahalanobis distance (D²) and Torcher´s optimization method. Diameter at 1.30 above the ground, total plant height, cylindrical volume, total resin production and resin per panel area were evaluated. The largest genetic distance observed between the progenies was 100% (D² = 65.51) and the lowest was 0,09% (D² = 0.15). Clustering by Torcher´s optimization method separated the progeny in four groups, with a concentration of 96.9% of the progenies in a single group. Volume was the largest contributor to the genetic divergence among groups. To include these progeny in breeding programs for resin and wood production controlled crossings should be prioritized among the most productive individuals that presented greater genetic divergence.

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Author Biographies

Wanderley dos Santos, Universidade Estadual Paulista Júlio de Mesquita Filho

http://lattes.cnpq.br/9151214415697687
Elton Gean Araújo, Universidade Estadual Paulista Júlio de Mesquita Filho

http://lattes.cnpq.br/6643773013298450
Danilla Cristina Lemos Souza, Universidade Estadual Paulista Júlio de Mesquita Filho

http://lattes.cnpq.br/3834932491334060
Janaína Rodrigues da Silva, Universidade Estadual Paulista Júlio de Mesquita Filho

http://lattes.cnpq.br/3648614993783229
Camila Regina Silva Baleroni Recco, Faculdades Integradas Stella Maris de Andradina

http://lattes.cnpq.br/3415044119508339
Mário Luiz Teixeira de Moraes, Universidade Estadual Paulista Júlio de Mesquita Filho

http://lattes.cnpq.br/9339164677717394
Ananda Virginia de Aguiar, Embrapa Florestas

http://lattes.cnpq.br/5613653432409380

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Published

2023-03-16

Issue

Vol. 36 No. 86 (2016): abr./jun.

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Copyright (c) 2016 Wanderley dos Santos, Elton Gean Araújo, Danilla Cristina Lemos Souza, Janaína Rodrigues da Silva, Camila Regina Silva Baleroni Recco, Mário Luiz Teixeira de Moraes, Ananda Virginia de Aguiar

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How to Cite

SANTOS, W. DOS et al. Genetic divergence genetic between Pinus caribaea var. hondurensis progenies based on quantitative traits. Pesquisa Florestal Brasileira, v. 36, n. 86, p. 127–133, 16 Mar.2023.

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Genetic divergence genetic between Pinus caribaea var. hondurensis progenies based on quantitative traits

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