Morphophysiology of plants of butter collard as function of liquid humus concentration

Authors

  • Maria Eunice Lima Rocha Mestranda em Agronomia- produção vegetal, na Universidade do Oeste do Paraná (UNIOESTE)
  • Pablo Wenderson Ribeiro Coutinho Doutorando em Agronomia (Produção Vegetal) - Universidade Estadual do Oeste do Paraná
  • Mayra Taniely Ribeiro Abade Mestranda em Agronomia (Produção Vegetal) - Universidade Estadual do Oeste do Paraná
  • Adriano Mitio Inagaki Doutor em Agronomia (Produção Vegetal), pela Universidade Estadual do Oeste do Paraná
  • Danielle Acco Cadorin Doutoranda em Agronomia (Produção Vegetal) - Universidade Estadual do Oeste do Paraná
  • Livia Maria Lemos Hoepers Mestre em Agronomia (Produção Vegetal), pela Universidade Estadual do Oeste do Paraná

DOI:

https://doi.org/10.5965/223811711842019438

Keywords:

organic fertilization, Brassica oleracea, liquid photosynthesis

Abstract

Brassica cabbage (Brassica oleracea var. Acephala L.) belongs to the Brassicaceae family and several studies have shown the variations in gas exchange between plants and the atmosphere, due to practices or treatments applied to agricultural crops, with consequent stress and negative reflexes on the metabolic processes of plants. In addition to being an option for those seeking organic production, liquid humus is an economic and efficient strategy with numerous benefits, both economic and agronomic. In this sense, the objective was to evaluate some physiological and morphological variables in cabbage plants, with concentrations of liquid humus. The experiment was carried out in a protected environment in the experimental area of Horticulture and Biological Control, belonging to UNIOESTE, in the city of Marechal Cândido Rondon, PR. The treatments consisted of five doses of liquid humus (0, 5, 10, 15, and 20%). Fertilization with liquid humus significantly influenced liquid photosynthesis, internal CO2 concentration and water use efficiency. Dry masses of stem, leaf, and total were not influenced by the treatments. The number of leaves per plant and the leaf area were affected by the concentrations of liquid humus. Although the variables transpiration and stomatal conductance did not present significant difference, the other parameters presented positive results in relation to the increase of liquid humus. However, the higher number of leaves per plant did not influence the assimilation rate of CO2.

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References

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Published

2019-12-12

How to Cite

ROCHA, Maria Eunice Lima; COUTINHO, Pablo Wenderson Ribeiro; ABADE, Mayra Taniely Ribeiro; INAGAKI, Adriano Mitio; CADORIN, Danielle Acco; HOEPERS, Livia Maria Lemos. Morphophysiology of plants of butter collard as function of liquid humus concentration. Revista de Ciências Agroveterinárias, Lages, v. 18, n. 4, p. 438–443, 2019. DOI: 10.5965/223811711842019438. Disponível em: https://revistas.udesc.br/index.php/agroveterinaria/article/view/9721. Acesso em: 9 nov. 2024.

Issue

Section

Research Article - Science of Plants and Derived Products

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