Combining ability in elephant grass (Pennisetum purpureum Schum.) for energy biomass production.

The objective of this study was to estimate and evaluate the general and specific combining abilities of hybrid combinations for energy biomass production, adopting the methodology of Griffing as adapted by Geraldi and Miranda Filho in evaluation cuts referring to two periods, the wet and dry seasons, and in relation to total dry matter yield (TDMY). The experiment was conducted at Pesagro Rio, located in Campos dos Goytacazes, RJ, Brazil, in a randomized block design with three replicates. Crosses were performed in a partial diallel system. Treatments consisted of 10 parents, 25 hybrid combinations, and 1 control. Three evaluation cuts were made: two in the wet season and one in the dry season. The following traits were evaluated: plant height, stem diameter, leaf width, number of tillers, percentage of dry matter, dry matter yield, and TDMY. Regarding the general combining ability effects, the parents “Cameroon-Piracicaba” and “Mercker” showed outstanding positive values. Of the hybrid combinations, “Cubano Pinda”?“Mercker”, “Cameroon-Piracicaba”?“Três Rios”, “Cameroon-Piracicaba”?“Mercker 86-México”, “IAC-Campinas”?“Três Rios”, “IAC-Campinas”?“Mercker 86-México”, and “Guaçu IZ.2”?“Roxo” showed superior productive performance. Hybrids can be obtained with superior energy biomass production to that of the currently available elephant grass cultivars.

Bibliographic Details

Main Authors:	MENEZES, B. R. da S., DAHER, R. F., GRAVINA, G. de A., PEREIRA, A. V., PEREIRA, M. G., TARDIN, F. D., SILVA, V. B., RODRIGUES, E. V., ARAÚJO, M. do S. B., OLIVEIRA, M. L. F., ALMEIDA, B. de O.
Other Authors:	Bruna Rafaela da Silva Menezes, Universidade Federal Rural do Rio de Janeiro; Rogério Figueiredo Daher, Universidade Estadual do Norte Fluminense; Geraldo de Amaral Gravina, Universidade Estadual do Norte Fluminense; ANTONIO VANDER PEREIRA, CNPGL; Messias Gonzaga Pereira, Universidade Estadual do Norte Fluminense; FLAVIO DESSAUNE TARDIN, CNPMS; Verônica Brito Silva, Universidade Estadual do Norte Fluminense; Erina Vitório Rodrigues, Universidade Estadual do Norte Fluminense; Maria do Socorro Bezerra Araújo, Universidade Estadual do Norte Fluminense; Maria Lorraine Fonseca Oliveira, Universidade Estadual do Norte Fluminense; Brunno de Oliveira Almeida, Universidade Estadual do Norte Fluminense.
Format:	Artigo de periódico biblioteca
Language:	English eng
Published:	2016-10-05
Subjects:	Alternative energy, Bioenergia, Capim elefante, Melhoramento vegetal, Plant breeding, Bioenergy, Renewable energy sources,
Online Access:	http://www.alice.cnptia.embrapa.br/alice/handle/doc/1054109
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