Data/hora: 08/06/2024 00:37:39

Biblioteca(s): | Embrapa Florestas.
Tipo da produção científica: | Artigo em Periódico Indexado
Circulação/Nível: | B - 1
Data corrente: | 30/04/2021
Data da última atualização: | 05/04/2022
Autoria: | SANTOS, W. dos; SOUZA, B. M. de; ZULIAN, D. F.; ALVES, G. T. R.; GOMES, J. B. V.; MORAES, M. L. T. de; SOUSA, V. A. de; AGUIAR, A. V. de.
Afiliação: | WANDERLEY DOS SANTOS, UNESP; BRUNO MARCHETTI DE SOUZA, UNESP; DANIELE FERNANDA ZULIAN, UNESP; GILBERTO TERRA RIBEIRO ALVES, Sucupira Agroforestas; JOAO BOSCO VASCONCELLOS GOMES, CNPF; MÁRIO LUIZ TEIXEIRA DE MORAES, UNESP; VALDERES APARECIDA DE SOUSA, CNPF; ANANDA VIRGINIA DE AGUIAR, CNPF.
Título: | Genotype-environment interaction in Cordia trichotoma (Vell.) Arráb. Ex Steud. progenies in two diferent soil conditions.
Ano de publicação: | 2021
Fonte/Imprenta: | Journal of Forestry Research, v. 33, n. 1, p. 309-319, Feb. 2022.
DOI: | https://doi.org/10.1007/s11676-021-01337-5
Idioma: | Inglês
Conteúdo: | Investment in silvicultural techniques is notice-ably lacking, especially in breeding programs for non-conventional wood species. Studying genotype×environment interaction (G×E) is essential to the development of breeding programs. Thus, this study aimed to estimate genetic diversity of and the efects of G×E interaction on two progeny tests of Cordia trichotoma, including the estimation of genetic gain and genetic diversity after selection. For the experiment, 30 progenies of C. trichotoma were tested at two sites with difering soil textures. Diameter at breast height (1.30 m above soil surface, dbh-cm), total height, diameter at 30 cm from the soil, frst branch height, and survival were all monitored for four years. Statistical deviance, best linear unbiased estimator, and harmonic mean of relative performance of genetic values (MHPRVG) were all calculated to predict breeding values, estimate genetic parameters, and analyze deviance. All quantifed traits varied signifcantly among progenies by soil type, with greatest variation recorded for genetic variability. Heritability of the progenies led to predictions of genetic gain, ranging from 7.73 to 15.45%, for dbh at four years of age. The calculated decrease in genetic diversity after selection showed that this parameter should be monitored in subsequent breeding cycles. G×E was low for all tests. The best-performing progenies proved most stable and best adapted to the diferent environmental conditions tested.
Palavras-Chave: | Efective population number; Native species; Productivity; Stability and adaptability.
Thesagro: | Espécie Nativa; Melhoramento Genético Vegetal; Produtividade.
Thesaurus Nal: | Genetic improvement.
Categoria do assunto: | G Melhoramento Genético
Registro original: | Embrapa Florestas (CNPF)
Exemplares: | CNPF - (57674-1) - UPC - AP - DD -  -  -  - DIS