Data/hora: 02/06/2024 16:21:11

Provedor de dados: | 190
País: | Brazil

Título:

Cutting of the Berberis laurina Billb. Using Different Concentrations of Indolebutyric Acid

Estaquia de Berberis laurina Billb. utilizando diferentes concentrações de ácido indol butírico

Autores: | Althaus, Michelle Melissa; Leal, Luciana Christina; Silveira, Fernanda Christina; Zuffellato-Ribas, Katia Christina; Ribas, Luciana Lopes Fortes.
Data: | 2011-03-17
Ano: | 2011
Palavras-chave: | Rooting; Auxin; Ornamental species; Species for recovery of degraded areas Enraizamento; Auxina; Espécie ornamental; Recuperação de áreas degradadas.
Resumo: | Berberis laurina Billb. (Berberidaceae) is a native shrub from Floresta Ombrófila Mista ecological formation, very ornamental and useful specie for recovery of degraded areas. With medical applications, its fruit is edible and its roots are used as dye. This paper aims to analyze lhe induction of lhe rooting of Berberis laurina stem cuttings employing indolebutyric acid (IBA) in O, 1000 and 2000 mgL-1 concentrations, using the vermiculite as growing medium. In october 2003, stem cuttings were collected from eight stock plants, located in Fazenda Rio Grande - PR. Semi-hardwood cuttings were preppared with 8.0 cm long by 0.35 cm of diameter shape, containing three leaves on the top, cut in a half,  the base was cut in diagonal and the top was cut straight, receiving a treatment with sodium hipochlorite (0.5%) for 10 minutes. The experiment was being conducted in a greenhouse. After 90 days an analysis was taken from the rooting rate, rate of the number of roots formed per cuttings, length of the three biggest  roots formed per cuttings, rate of the initial leaves which have survived since the cutting’s manufacture per cutting, rate of sprout presence per cutting, rate of not rooted living cuttings and rate of dead cuttings. The analyzed variables did not show a significative difference using 5% of probability, except for the rate of not rooted living cuttings which had differed  statistically; however, the rooting rate was above the ones found in studies made with another species of  Berberis (20.0 - 30.0 %). IBA did not improve the  rooting of B. laurina.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Português
Identificador: | http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/243
Editor: | Embrapa Florestas
Relação: | http://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/243/194
Formato: | application/pdf

Fonte:

Brazilian Journal of Forestry Research; n. 50 (2005): jan./jun.; 99

Pesquisa Florestal Brasileira; n. 50 (2005): jan./jun.; 99

1983-2605

1809-3647

Fonte:

Direitos autorais 2015 Pesquisa Florestal Brasileira

http://creativecommons.org/licenses/by-nc-nd/4.0