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vol.21 número3Avaliação do crescimento de Gypsophila paniculata durante o enraizamento in vitroDivergência genética entre acessos de taro utilizando caracteres morfo-qualitativos de inflorescência índice de autoresíndice de assuntospesquisa de artigos
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Horticultura Brasileira

versão impressa ISSN 0102-0536versão On-line ISSN 1806-9991


BOSA, Nair; CALVETE, Eunice Oliveira; KLEIN, Vilson Antônio  e  SUZIN, Marilei. Development of young plants of gypsophila in different substrates. Hortic. Bras. [online]. 2003, vol.21, n.3, pp.514-519. ISSN 0102-0536.

Floriculture is one of the branches in horticulture that has expanded in the last years because of its profitability. The study and the use of substrates for producing young plants are important, once the gypsophila production depends on young plants quality. Considering that the quality of a substrate is the result of its chemical and physical properties, the characterisation of these properties was made. This trial was carried out to evaluate the growth of Gypsophila paniculala cv. Bristol Fairy plants in different substrates. The experimental design was a randomised complete blocking split-plot scheme with six treatments (substrates) and four replicates. Each plot consisted of 22 plants, totalizing 588 young plants. The following physical chemical analyses were performed: dry density, total porosity, aeration space, available water, water easily available, pH, electric conductivity and cations capacity change. Plant development was evaluated on a weekly basis and the following parameters were measured: survival rate, root volume, fresh and dry matter of aerial part and root. Substrates with higher levels of water easily available optimised the Gypsophila paniculata acclimatization. The best results for young plants production were obtained with the substrates FE1(perlite + peat) and FE4 (pine of husks + perlite + peat).

Palavras-chave : Gypsophila paniculata; propagation; in vitro; acclimatisation.

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