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metadata.artigo.dc.title: Morpho-physiological changes in Billbergia zebrina due to the use of silicates in vitro
metadata.artigo.dc.creator: Martins, Adalvan D.
Martins, João Paulo R.
Batista, Lucas A.
Dias, Gabrielen M. G.
Almeida, Mirielle O.
Pasqual, Moacir
Santos, Heloísa O. dos
metadata.artigo.dc.subject: Billbergia zebrina - In vitro cultivation
Plant anatomy
Plant physiology
Silicon absorption
Billbergia zebrina - cultivo in vitro
Anatomia vegetal
Fisiologia vegetal
Absorção de silício
metadata.artigo.dc.publisher: Academia Brasileira de Ciências Oct-2018
metadata.artigo.dc.identifier.citation: MARTINS, A. D. et al. Morpho-physiological changes in Billbergia zebrina due to the use of silicates in vitro. Anais da Academia Brasileira de Ciências, Rio de Janeiro, v. 90, n. 4, p. 3449-3462, Oct./Dec. 2018.
metadata.artigo.dc.description.abstract: The use of silicon in Billbergia zebrina cultivation in vitro is an alternative for optimizing micropropagation of this important ornamental plant species. The objective of the present study was to evaluate the growth and anatomical and physiological alterations in Billbergia zebrina (Herbert) Lindley plants as a function of different sources and concentrations of silicon during in vitro cultivation and acclimatization. The experimental design was completely randomized, with a double factorial arrangement and an additional control treatment (2 x 3 + 1). The first factor was relative to calcium silicate and sodium silicate added to the Murashige & Skoog culture medium; the second factor was related to its concentrations, 0.5, 1.0, and 2.0 mg L-1. After 100 days, their growth, anatomical characteristics, level of silicon and chlorophyll content were evaluated. Growth characteristics were assessed after 60 days of acclimatization period. Plants absorbed more sodium silicate than calcium silicate. This source also stressed the plants impairing their growth, but the highest silicon absorption at 1 mg L-1 attenuated the stressful conditions. The supplementation of the culture medium with calcium silicate led to improved growth, anatomical, and physiological characteristics, which benefited the development of more resistant seedlings with better performance during acclimatization.
metadata.artigo.dc.language: en_US
Appears in Collections:DAG - Artigos publicados em periódicos

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