Abstract
Tillandsia geminiflora is little grown in Brazil, but has good potential for exportation. Tree fern fiber was used in mixtures for bromeliad cultivation until the prohibition of this practice. The replacement of tree fern by other materials with similar properties has been researched. Thus, and the aim of this study was to compare the development of T. geminiflora grown in media with different vegetal components (tree fern, coconut husk and pinus bark). Plant development was evaluated for about two years. Pure coconut bark husk gave the best results.
Highlights
growing media Tillandsia geminiflora is little grown in Brazil
Tree fern fiber was used in mixtures for bromeliad cultivation
the aim of this study was to compare the development of T. geminiflora grown in media
Summary
T. geminiflora (Figura 1), uma bromélia epífita, ocorre no Brasil, no Paraguai e na Argentina. No Rio Grande do Sul, está ameaçada de extinção (UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL, 2014). A planta, de aparência atraente, apresenta potencial para o mercado externo, mas é ainda pouco cultivada em nosso país. A base para a preparação de substratos para bromélias no Brasil foi, durante muito tempo, o xaxim (ANDRADE e DEMATTÊ, 1999), retirado de Dicksonia sellowiana Hook., espécie nativa em perigo de extinção. E outros materiais com propriedades semelhantes têm sido testados para substituí-lo (D’ANDRÉA e DEMATTÊ, 2000; DEMATTÊ, 2003; DEMATTÊ, 2005; BARBOSA, 2007; KANASHIRO et al, 2008). Este estudo teve por objetivo comparar o desenvolvimento de T. geminiflora em diferentes substratos, sendo um deles uma mistura contendo xaxim
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