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In vitro multiplication of 'Flordaguard' rootstock: cytokinin source and concentration effects, explants orientation and period of permanence in the culture medium
Radmann, Elizete Beatriz; Bianchi, Valmor João; Fachinello, José Carlos; Ferreira, Letícia Vanni; Oliveira, Roberto Pedroso de.
Afiliación
  • Radmann, Elizete Beatriz; Universidade Federal de Pelotas. Instituto de Biologia. Departamento de Botânica. Capão do Leão. BR
  • Bianchi, Valmor João; Universidade Federal de Pelotas. Instituto de Biologia. Departamento de Botânica. Capão do Leão. BR
  • Fachinello, José Carlos; Universidade Federal de Pelotas. Faculdade de Agronomia Eliseu Maciel. Departamento de Fitotecnia. Capão do Leão. BR
  • Ferreira, Letícia Vanni; Embrapa Clima Temperado. Pelotas. BR
  • Oliveira, Roberto Pedroso de; Embrapa Clima Temperado. Pelotas. BR
Braz. arch. biol. technol ; Braz. arch. biol. technol;54(1): 25-34, Jan.-Feb. 2011. ilus, graf
Article en En | LILACS | ID: lil-576755
Biblioteca responsable: BR1.1
ABSTRACT
This work aimed at studying the effects of different sources and cytokinin concentrations, as well as explants orientation and time of their permanence in shoots induction medium to obtain high multiplication rate. Four experiments were carried out to evaluate the sprout percentage mean, shoots number per explant, elongated shoots percentage and shoots length. The treatments with 2iP and zeatin did not promote in vitro plant multiplication. When different BAP concentrations were tested, an increase in sprout percentage was obtained using BAP concentration up to 3.66 mg L-1 (80 percent), and for shoots number per explant a linear behavior was observed, showing a mean of four shoots per explant with 4.0 mg L-1 BAP. For the 'Flordaguard' rootstocks, the explants orientation did not alter the potential in vitro multiplication and the shoots growth. However, the explants permanence in the shoots induction medium for 40 days provided the best results for shoots growth.
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Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Idioma: En Revista: Braz. arch. biol. technol Asunto de la revista: BIOLOGIA Año: 2011 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Brasil
Texto completo
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Imprimir
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Texto completo: 1 Colección: 01-internacional Base de datos: LILACS Idioma: En Revista: Braz. arch. biol. technol Asunto de la revista: BIOLOGIA Año: 2011 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Brasil