Density mini-stumps on mini-clonal hedge in the production of clonal seedlings eucalyptus

Authors

  • Cibele Chaves Souza Universidade Federal de Viçosa, Departamento de Engenharia Florestal
  • Aloisio Xavier Universidade Federal de Viçosa, Departamento de Engenharia Florestal
  • Fernando Palha Leite Celulose Nipo Brasileira S A, Coordenação de Pesquisa e Desenvolvimento Florestal
  • Reynaldo Campos Santana Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Engenharia Florestal
  • Haroldo Nogueira de Paiva Universidade Federal de Viçosa, Departamento de Engenharia Florestal

DOI:

https://doi.org/10.4336/2014.pfb.34.77.512

Keywords:

Mini-cutting technique, Vegetative propagation, Clonal forestry

Abstract

The objective of this work was to evaluate different densities of rooted

productivity and survival as well as the effects on production and survival of cuttings produced. We performed two separate experiments, one for each genetic material (C1 and C2) and were assessed three densities for clone C1 (88, 75 and 57 ministumps m-2) and two for clone C2 (104 and 78 ministumps m-2). Shoots we collected from the ministumps and they were used in making cuttings 6-10 cm long. Sampling was initiated in January 2011, ending in March 2011. The cuttings were planted in substrate composed of 50% vermiculite and 50% of rice hulls and subsequently they were conducted in following steps: greenhouse, shade house and field hardening. For both clones, the density with smaller number of mini-stumps m-2 resulted in lower mortality rate of mini-stumps and higher production of mini-cuttings. The survival of mini-cuttings in the first selection (when exiting from the shade) and the second selection of seedlings (50 days after planting) was not affected by the spacing given the mini-stumps.

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Author Biographies

Cibele Chaves Souza, Universidade Federal de Viçosa, Departamento de Engenharia Florestal

http://lattes.cnpq.br/3990683420223201

Aloisio Xavier, Universidade Federal de Viçosa, Departamento de Engenharia Florestal

http://lattes.cnpq.br/5218447254694289

Fernando Palha Leite, Celulose Nipo Brasileira S A, Coordenação de Pesquisa e Desenvolvimento Florestal

http://lattes.cnpq.br/9400682498531373

Reynaldo Campos Santana, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Departamento de Engenharia Florestal

http://lattes.cnpq.br/3588575605488750

Haroldo Nogueira de Paiva, Universidade Federal de Viçosa, Departamento de Engenharia Florestal

http://lattes.cnpq.br/8319339345020079

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Published

2014-04-04

How to Cite

SOUZA, Cibele Chaves; XAVIER, Aloisio; LEITE, Fernando Palha; SANTANA, Reynaldo Campos; PAIVA, Haroldo Nogueira de. Density mini-stumps on mini-clonal hedge in the production of clonal seedlings eucalyptus. Pesquisa Florestal Brasileira, [S. l.], v. 34, n. 77, p. 49–56, 2014. DOI: 10.4336/2014.pfb.34.77.512. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/512. Acesso em: 13 jun. 2026.

Issue

Vol. 34 No. 77 (2014): jan./mar.

Section

Articles

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