The effect of spectral light quality on in vitro culture of sugarcane

Autores

  • Marina Medeiros de Araújo Silva Instituto Nacional do Semiárido Autor
  • Arquimedes Liberal Barboza de Oliveira Universidade Federal Rural de Pernambuco Autor
  • Ronaldo Alves Oliveira-Filho Universidade Federal Rural de Pernambuco Autor
  • Terezinha Camara Universidade Federal Rural de Pernambuco Autor
  • Lilia Willadino Universidade Federal Rural de Pernambuco Autor
  • Artur Gouveia-Neto Universidade Federal Rural de Pernambuco Autor

DOI:

https://doi.org/10.4025/actascibiolsci.v38i2.31109

Palavras-chave:

in vitro propagation, light wavelength, Saccharum spp.

Resumo

The effects of different light quality treatments on in vitro growth and multiplication of sugarcane (RB867515) were investigated. The plantlets were cultivated on MS medium containing 1.3 μM 6-benzylaminopurine (BAP), and exposed to five light treatments: three combinations of blue/red LED (70:30, 50:50, 30:70), white-LED and fluorescent lamps, during 24 days. Among the LED light treatments, blue/red combination in 50:50 proportions proved to have the best results for stem length, fresh mass, leaf number and shoot multiplication. Higher content of photosynthetic pigments was also obtained with LEDs. Results suggested that the light quality emitted by LEDs was suitable for plant growth and development and it may be used as alternative and economic light source for micropropagation of sugarcane variety under analysis.

 

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Biografia do Autor

  • Marina Medeiros de Araújo Silva, Instituto Nacional do Semiárido
    Doutora em Biologia Vegetal
  • Arquimedes Liberal Barboza de Oliveira, Universidade Federal Rural de Pernambuco
    Agrônomo
  • Ronaldo Alves Oliveira-Filho, Universidade Federal Rural de Pernambuco
    Agrônomo
  • Terezinha Camara, Universidade Federal Rural de Pernambuco
    Professora do Departamento de Química
  • Lilia Willadino, Universidade Federal Rural de Pernambuco
    Professora do Departamento de Biologia
  • Artur Gouveia-Neto, Universidade Federal Rural de Pernambuco
    Professor do Departamento de Química

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Publicado

2016-10-24

Edição

Seção

Biotecnologia

Como Citar

The effect of spectral light quality on in vitro culture of sugarcane. (2016). Acta Scientiarum. Biological Sciences, 38(2), 157-161. https://doi.org/10.4025/actascibiolsci.v38i2.31109

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