An in vitro protocol for Ficus carica cv. ‘Roxo de Valinhos’ was optimized. Nodal explants containing two buds were excised from field-grown mature plants, and transferred to different proliferation media consisting of combinations of distinct concentrations of activated charcoal with benzyladenine (BA), kinetin with gibberellic acid (GA3), and WPM (woody plant medium) with kinetin. The regular strength of WPM in combination with 0.5 mg l−1 kinetin was the best condition for shoot proliferation of Ficus carica ‘Roxo de Valinhos’ plants. The addition of activated charcoal in the medium completely inhibited shoot proliferation. The inclusion of BA in the medium induced excessive callus formation as well as small and vitrified shoots, while GA3 induced excessive elongation associated with vitrification, chlorosis, and tip-burned shoots.
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1 September 2004
MICROPROPAGATION OF FIG (FICUS CARICA L.) ‘ROXO DE VALINHOS’ PLANTS
CHRYSTIANE BORGES FRÁGUAS,
MOACIR PASQUAL,
LEONARDO FERREIRA DUTRA,
JAIRO OSVALDO CAZETTA
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In Vitro Cellular and Developmental Biology - Plant
Vol. 40 • No. 5
September 2004
Vol. 40 • No. 5
September 2004
Activated charcoal
Growth regulators
Shoot proliferation
Tissue culture