Propagação in vitro de orquideas brasileiras utilizando meios de cultura tradicionais e formulações com fertilizantes comerciais - DOI: 10.4025/actasciagron.v27i1.1901

Luciana do Valle Rego-Oliveira; Ricardo Tadeu de Faria

doi:10.4025/actasciagron.v27i1.1901

In vitro propagation of Brazilian orchids using traditional culture media and commercial fertilizers formulations

Luciana do Valle Rego-Oliveira UEL
Ricardo Tadeu de Faria UEL

DOI: https://doi.org/10.4025/actasciagron.v27i1.1901

Abstract

Some species of Brazilian orchids are practically extinct in their natural habitats. Large scale propagation of in vitro native orchids is a way of preserving them. Specific culture media for some species have already been described, but there are no studies on Catasetum fimbriatum and Cyrtopodium paranaensis. The aim of the present study was to establish in vitro propagation protocol of C. fimbriatum and C. paranaensis to reintroduce these species in natural habitat. The traditional culture media were: MS; MS modified with ½ macronutrients; MS modified with ¼ macronutrients, Vacin & Went and Knudson C. The commercial fertilizers formulations were: N.P.K (10-5-5) 2 mL L^-1 and formulation N.P.K (10-30-20) 3 g L^-1. The data, assessed six months after the beginning of the experiment, consisted of: number of roots, main root length, pseudobulb diameter, plant dry weight, root dry weight and plant height. The best results of C. fimbriatum plant development were obtained using MS medium complete and MS medium modified with half of macronutrients for canopy length. For the number of roots, the best results were obtained using MS modified with half of macronutrients. The best results for C. paranaensis plant development were obtained using MS modified with half of the macronutrients for canopy length and MS modified with ¼ of macronutrients for number of roots.

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Author Biography

Ricardo Tadeu de Faria, UEL

Possui graduação em Agronomia pela Faculdade de Agronomia e Zootecnia Manoel Carlos Gonçalves (1987) , mestrado em Genética e Biologia Molecular pela Universidade Estadual de Campinas (1992) , doutorado em Genética e Biologia Molecular pela Universidade Estadual de Campinas (1998) e pos-doutorado pela Universidade de La Laguna (2003) . Atualmente é Associado A da Universidade Estadual de Londrina, Revisor de periódico da Acta Scientiarum (UEM), Revisor de periódico da Semina Ciência Agrária, Revisor de periódico da Revista Brasileira de Horticultura Ornamental, Revisor de periódico da Horticultura Brasileira, Revisor de periódico da Magistra, Revisor de periódico da Magistra, Revisor de periódico da Crop Breeding and Applied Biotechnology e Revisor de periódico da Ciência e Agrotecnologia. Tem experiência na área de Agronomia , com ênfase em Floricultura, Parques e Jardins Currículo Lattes

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Published

2008-04-11

How to Cite

Rego-Oliveira, L. do V., & Faria, R. T. de. (2008). In vitro propagation of Brazilian orchids using traditional culture media and commercial fertilizers formulations. Acta Scientiarum. Agronomy, 27(1), 1-5. https://doi.org/10.4025/actasciagron.v27i1.1901

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Issue

Vol 27 No 1 (2005)

Section

Soils

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