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Gabrielen de Maria Gomes Dias, Joyce Dória Rodrigues Soares, Suelen Francisca Ribeiro, Adalvan Daniel Martins, Moacir Pasqual and Eduardo Alves

Abstract: The objective was to evaluate morphological and physiological differences
in anthurium plants in vitro, with the use of silicon added to the culture
medium. Nodal segments were inoculated in Pierik with different sodium silicate
concentrations (0.0, 0.5, 1.0 or 2.0 mg L-1). After 100 days in a growth room,
phytotechnical characteristics were evaluated, physiological concentrations
of silicon, photosynthetic pigments and microanalysis X-ray. A higher yield of
chlorophyll a and b, was observed in plants supplemented with 2.0 mg L-1 of
sodium silicate. Anthurium plants showed better growth development with an
increase in the number of leaves, dry weight and length of the aereal part in
plants supplemented with 0.5 and 2.0 mg L-1 sodium silicate. It was also observed
an increase in the number of roots of plants supplemented with 1.0 mg L-1 of
sodium silicate. The use of sodium silicate in culture medium improves the quality
of plantlets with an increased absorption of nutrients in the plant Anthurium.

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