EVALUATION OF DIFFERENT SHADING LEVELS FOR ICEBERG LETTUCE PRODUCTION IN PALMAS/TO

Authors

DOI:

https://doi.org/10.36725/agries.v9i2.8657

Keywords:

Protected environment, agricultural screen, horticulture

Abstract

In lettuce cultivation, there are strategies that reduce the solar radiation on the plant, one of them is shading
screens that reduce the light on the planting. The objective of this study was to evaluate iceberg lettuce
productivity using different levels of shading in the climatic conditions of Palmas, state of Tocantins. The
experiment was conducted in seedbeds, where four treatments were evaluated from March to June 2019, using
the experimental design in randomized blocks, with four replications. The iceberg lettuce cultivar (Rafaela)
was adopted in four growing environments (shading screens 30%, 50%, 80% and open field). At the end of
the experiment, stem length, number of leaves per plant, fresh and dry weight of the plants were analyzed. We
could conclude that the production of iceberg lettuce (Rafaela) in cultivation environments with 30% shading,
presented the best productive performance, with greater accumulation of fresh and dry matter mass and amount
of leaves per plant.

Author Biographies

  • Adrielly Pacheco da Costa, Engenheira Agrônoma/Universidade Estadual do Tocantins (UNITINS)

    Engenheira Agrônoma

  • Arison José Pereira, Professor/Universidade Estadual do Tocantins (UNITINS)

    Possui graduação em Agronomia (2002), mestrado em Fitotecnia (2004) e doutorado em Fitotecnia (2007) pela Universidade Federal Rural do Rio de Janeiro (UFRRJ). Atualmente é Professor Universitário Doutor IV na Universidade Estadual do Tocantins (UNITINS). Foi coordenador do Curso de Engenharia Agronômica. Membro da Comissão Assessora da Área de Agronegócio do INEP / MEC. Avaliador do INEP / MEC cadastrado no BASis.Membro na Comissão da Produção Orgânica no estado do Tocantins (CPORG-TO) do Ministério da Agricultura, Pecuária e Abastecimento (MAPA). Líder do Grupo de Pesquisa em Agroecologia no Cerrado (GPAC) cadastrado no CNPq. Foi membro do Conselho Curador da Fundação de Amparo à Pesquisa do Estado do Tocantins ? FAPT, para o biênio 2011/2013. Tem experiência na área de Fitotecnia, atuando principalmente nos seguintes temas: Agroecologia, Agricultura orgânica, Adubação verde, Olericultura, Matéria Orgânica do Solo. (Texto informado pelo autor)

  • Viviane Fernandes Moreira, Professora/Universidade Federal do Tocantins (UFT)

    Professora

  • Ráfilla Burjack Cardoso, Engenheira Agrônoma/Universidade Estadual do Tocantins (UNITINS)

    Engenheira Agrônoma

  • Vitória Elisy Ribeiro de Ávila, Engenheira Agrônoma/Universidade Estadual do Tocantins (UNITINS)

    Engenheira Agrônoma

  • Rebeca Guedes Cabral, Engenheira Agrônoma/Universidade Estadual do Tocantins (UNITINS)

    Engenheira Agrônoma

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Published

2023-10-19

Issue

Vol. 9 No. 2 (2023): 30 years of Scientific and Technological Initiation at Unitins with an emphasis on Agricultural Sciences and Biodiversity

Section

Scientific paper

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How to Cite

EVALUATION OF DIFFERENT SHADING LEVELS FOR ICEBERG LETTUCE PRODUCTION IN PALMAS/TO. (2023). AGRI-ENVIRONMENTAL SCIENCES, 9(2), 6. https://doi.org/10.36725/agries.v9i2.8657

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