Morphological and production evaluation of Eucalyptus benthamii clonal mini-garden regarding to Zn and B

Authors

  • Gilvano Ebling Brondani Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"
  • Francisco José Benedini Baccarin Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"
  • Heron Wilhelmus de Wit Ondas Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"
  • Antônio Natal Gonçalves Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"
  • Marcílio de Almeida Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

DOI:

https://doi.org/10.4336/2012.pfb.32.70.35

Keywords:

Nutritive solution, Mini-cutting technique, Mineral nutrition, Fertigation

Abstract

The aim of this study was to evaluate the mini-stumps survival and the mini-cuttings production of Eucalyptus benthamii regarding to Zn and B concentrations during successive collection of shoots. Shoots were collected from mini-stumps (BP101, BP118 and BP120 clones) fertigated with nutrient solutions containing different concentrations of Zn and B (S1 - free of Zn and B, S2 - 0.5 mg L-1 Zn, S3 - 0.5 mg L-1 B, S4 - 0.5 mg L-1 Zn and B, S5 - 1.0 mg L-1 Zn and B, S6 - 2.0 mg L-1 Zn and B). Eight shoot collections of the clonal mini-garden were performed. The mini-stumps survival, mini-cuttings production, leaves number, nodes number, shoots length, internodes interval and visual appearance of mini-stumps to identify symptoms of nutritional deficiency or toxicity were evaluated. The mini-stumps survival, mini-cuttings production, leaves number, nodes number, shoots length and internodes interval varied significantly among to treatments, and the nutritive solutions S5 and S6 presented the best responses.

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Author Biographies

Gilvano Ebling Brondani, Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Eng. Florestal pela UFSM-RS, Mestre em Ciências Florestais pela UFPR-PR, Doutorando em Recursos Florestais pela ESALQ/USP-SP.

Francisco José Benedini Baccarin, Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Heron Wilhelmus de Wit Ondas, Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Graduando em Agronomia (ESALQ/USP)

Antônio Natal Gonçalves, Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Prof. Dr. do PPG em Recursos Florestais da ESALQ/USP

Marcílio de Almeida, Universidade de São Paulo, Escola Superior de Agricultura "Luiz de Queiroz"

Prof. Dr. do PPG em Recursos Florestais e PPG em Fisiologia de Plantas da ESALQ/USP

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Published

2012-06-13

How to Cite

BRONDANI, Gilvano Ebling; BACCARIN, Francisco José Benedini; WIT ONDAS, Heron Wilhelmus de; GONÇALVES, Antônio Natal; ALMEIDA, Marcílio de. Morphological and production evaluation of Eucalyptus benthamii clonal mini-garden regarding to Zn and B. Pesquisa Florestal Brasileira, [S. l.], v. 32, n. 70, p. 151, 2012. DOI: 10.4336/2012.pfb.32.70.35. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/371. Acesso em: 20 apr. 2025.

Issue

Vol. 32 No. 70 (2012): abr./jun.

Section

Articles

License

Copyright (c) 2012 Gilvano Ebling Brondani, Francisco José Benedini Baccarin, Heron Wilhelmus de Wit Ondas, Antônio Natal Gonçalves, Marcílio de Almeida

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