DOES LIGHT SUPPLEMENTATION IMPROVE THE INITIAL GROWTH OF HOPS SEEDLINGS IN A PROTECTED ENVIRONMENT?

Visualizações: 291

Authors

DOI:

https://doi.org/10.32404/rean.v10i3.7401

Keywords:

Humulus lupulus L.,, Indoor cultivation, Photosynthetic activity, Carboxylation

Abstract

The hops (Humulus lupulus L.) has significant importance for Brazil since its consumption in the manufacture of beer is primordial, although the country imports almost 100% of the hops consumed. Research in this area has increased recently, bringing new information and guidelines to support national production and provide a technical basis for improving planting and cultivation techniques. The present study aimed to evaluate the influence of different light supplementations (Control - environmental condition, 400 µmol m-2 s-1, 600 µmol-2 m s-1, and 800 µmol m-2 s-1 ) on the production of hops seedlings in a greenhouse. We found that the responses are distinct among the cultivars used, but light supplementation increases variables related to physiological processes and seedling growth. Thus, we conclude that light supplementation with photosynthetically active radiation is advantageous for the production of hops seedlings since positive effects were found on the physiological characteristics of gas exchange related to photosynthesis and plant development when 400, 600, and 800 µmol m-2 s-1 were applied. In addition, the intrinsic responses of each cultivar should be observed to adapt the production system.

Author Biographies

João Batista Medeiros Silva, Universidade Federal da Paraíba

Universidade Federal da Paraíba, Centro de Ciências Agrárias, Areia, Paraíba, Brasil.

Eduardo Pradi Vendruscolo, Universidade Estadual de Mato Grosso do Sul

Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia, Cassilândia, Mato Grosso do Sul, Brasil.

Fernanda Espíndola Assumpção Bastos, Pontifícia Universidade Católica do Paraná,Pontifícia Universidade Católica do Paraná

Pontifícia Universidade Católica do Paraná, Escola de Medicina e Ciências da Vida, Curitiba, Paraná, Brasil.

Flávio Ferreira da Silva Binotti, Universidade Estadual de Mato Grosso do Sul

Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia, Cassilândia, Mato Grosso do Sul, Brasil.

Gabriela Rodrigues Sant’ Ana, Universidade Estadual de Mato Grosso do Sul

Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia, Cassilândia, Mato Grosso do Sul, Brasil.

Edilson Costa, Universidade Estadual de Mato Grosso do Sul

Universidade Estadual de Mato Grosso do Sul, Unidade Universitária de Cassilândia, Cassilândia, Mato Grosso do Sul, Brasil.

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Published

2023-08-08

How to Cite

Batista Medeiros Silva , J., Vendruscolo, E. P., Espíndola Assumpção Bastos, F., Ferreira da Silva Binotti, F., Rodrigues Sant’ Ana, G., & Costa, E. (2023). DOES LIGHT SUPPLEMENTATION IMPROVE THE INITIAL GROWTH OF HOPS SEEDLINGS IN A PROTECTED ENVIRONMENT?. REVISTA DE AGRICULTURA NEOTROPICAL, 10(3), e7401. https://doi.org/10.32404/rean.v10i3.7401

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