Data/hora: 10/06/2024 13:54:11

Biblioteca(s): | Embrapa Gado de Leite.
Data corrente: | 15/01/2018
Data da última atualização: | 27/01/2023
Autoria: | RODRIGUES, E. V.; DAHER, R. F.; SANTOS, A. dos; VIVAS, M.; MACHADO, J. C.; GRAVINA, G. D. A.; SOUZA, Y. P. de; VIDAL, A. K.; ROCHA, A. D. S.; FREITAS, R. S.
Afiliação: | E. V. Rodrigues, Embrapa Agroenergia; R. F. Daher, Universidade Estadual do Norte Fluminense; A. dos Santos, Universidade Estadual Norte Fluminense; M. Vivas, Universidade Estadual Norte Fluminense; JUAREZ CAMPOLINA MACHADO, CNPGL; G. D. A. Gravina, Universidade Estadual Norte Fluminense; Y. P. de Souza, Universidade Estadual Norte Fluminense; A. K. Vida, Universidade Federal Norte Fluminense; A. D. S. Rocha, Universidade Federal Norte Fluminense; R. S. Freitas, Universidade Federal Norte Fluminense.
Título: | Selecting elephant grass families and progenies to produce bioenergy through mixed models (REML/BLUP).
Ano de publicação: | 2017
Fonte/Imprenta: | Genetics and Molecular Research, v. 16, n. 2, 2017.
Páginas: | 12 p.
Idioma: | Inglês
Conteúdo: | Abstract Brazil has great potential to produce bioenergy since it is located in a tropical region that receives high incidence of solar energy and presents favorable climatic conditions for such purpose. However, the use of bioenergy in the country is below its productivity potential. The aim of the current study was to select full-sib progenies and families of elephant grass (Pennisetum purpureum S.) to optimize phenotypes relevant to bioenergy production through mixed models (REML/BLUP). The circulating diallel-based crossing of ten elephant grass genotypes was performed. An experimental design using the randomized block methodology, with three repetitions, was set to assess both the hybrids and the parents. Each plot comprised 14-m rows, 1.40 m spacing between rows, and 1.40 m spacing between plants. The number of tillers, plant height, culm diameter, fresh biomass production, dry biomass rate, and the dry biomass production were assessed. Genetic-statistical analyses were performed through mixed models (REML/BLUP). The genetic variance in the assessed families was explained through additive genetic effects and dominance genetic effects; the dominance variance was prevalent. Families such as Capim Cana D'África x Guaçu/I.Z.2, Cameroon x Cuba-115, CPAC x Cuba-115, Cameroon x Guaçu/I.Z.2, and IAC-Campinas x CPAC showed the highest dry biomass production. The family derived from the crossing between Cana D'África and Guaçu/I.Z.2 showed the largest number of potential individuals for traits such as plant height, culm diameter, fresh biomass production, dry biomass production, and dry biomass rate. The individual 5 in the family Cana D'África x Guaçu/I.Z.2, planted in blocks 1 and 2, showed the highest dry biomass production.
Palavras-Chave: | Pennisetum purpureum S.
Thesaurus Nal: | biomass production; plant breeding.
Categoria do assunto: | F Plantas e Produtos de Origem Vegetal
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/171044/1/Cnpgl-2017-GMR-Selecting-elephant-grass-families.pdf
Registro original: | Embrapa Gado de Leite (CNPGL)
Exemplares: | CNPGL - (23869-1) - UPC - AP - DD -  -  -  - DIS