Growth and production of Heliconia under different light conditions

Authors

  • Mayara Wesley Silva Universidade Federal de Goiás
  • Elizabeth Orika Ono Universidade Estadual Paulista
  • Maria Herbênia Lima Cruz Santos Universidade do Estado da Bahia
  • Márkilla Zunete Beckmann Cavalcante Universidade Federal do Vale do São Francisco
  • Gertrudes Macário de Oliveira Universidade do Estado da Bahia
  • Dulce Nayara Carvalho Universidade do Estado da Bahia
  • Caio Cesar Lopes Universidade do Estado da Bahia

DOI:

https://doi.org/10.5433/1679-0359.2017v38n1p7

Keywords:

Heliconia psittacorum × H. spathocircinata ‘Golden Torch’, Photoconversion screen, Ornamental plant.

Abstract

The use of shading screens of different colors can change the spectral quality of radiation and, as a consequence, the growth and production of crop plants. The aim of this study was to evaluate aspects of the growth, yield, and quality of floral stems of Heliconia psittacorum × H. spathocircinata ‘Golden Torch’ grown under different light conditions. The treatments consisted of four conditions: blue photoconversion screens (35%-40%); red photoconversion screens (18%-21%); black shading screens (45%-49%), and full sunlight. The experiment consisted of two parts. In the first, growth was assessed, whereas in the second, aspects related to the production and quality of floral stems were examined. The experimental design was in randomized blocks with split plots in time. Each plot contained six blocks, with 11 replications per block, giving a total of 66 pots per plot. The evaluations were performed at 30-day intervals over a 6-month period. In the analysis of growth, red screens contributed to the growth of the plants, increasing the number of shoots and leaves, and also plant height. The productivity and quality of floral stems was, however, highest in plants grown under blue and black screens. It can be concluded that, under the prevailing experimental conditions, the use of blue screens (35%-40%) and black screens (45%-49%) is suitable for production of the floral stems of ‘Golden Torch’ heliconia.

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Author Biographies

Mayara Wesley Silva, Universidade Federal de Goiás

M.e. em Horticultura, Discente de Doutorado, Universidade Federal de Goiás, UFG, Goiânia, GO, Brasil.

Elizabeth Orika Ono, Universidade Estadual Paulista

Profa Adjunto, Universidade Estadual Paulista, UNESP, Botucatu, SP, Brasil.

Maria Herbênia Lima Cruz Santos, Universidade do Estado da Bahia

Profa Titular, Universidade do Estado da Bahia, UNEB, Juazeiro, BA, Brasil.

Márkilla Zunete Beckmann Cavalcante, Universidade Federal do Vale do São Francisco

Profa Adjunto, Universidade Federal do Vale do São Francisco, UNIVASF, PE, Brasil.

Gertrudes Macário de Oliveira, Universidade do Estado da Bahia

Profa Titular, UNEB, Juazeiro, BA, Brasil.

Dulce Nayara Carvalho, Universidade do Estado da Bahia

Discente do Curso de Graduação em Agronomia, UNEB, Juazeiro, BA, Brasil.

Caio Cesar Lopes, Universidade do Estado da Bahia

Egresso do Curso de Graduação em Agronomia, UNEB, Juazeiro, BA, Brasil.

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Published

2017-03-02

How to Cite

Silva, M. W., Ono, E. O., Santos, M. H. L. C., Cavalcante, M. Z. B., Oliveira, G. M. de, Carvalho, D. N., & Lopes, C. C. (2017). Growth and production of Heliconia under different light conditions. Semina: Ciências Agrárias, 38(1), 7–18. https://doi.org/10.5433/1679-0359.2017v38n1p7

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