Strawberry quality affected by the nitrate:ammonium ratio in the nutrient solution

Authors

  • Gabriel Lucas de Jesus de Jesus Departamento de Ciencias de los Cultivos-Universidad Federal de Paraná, Brasil. R. dos Funcionários 1540, Curitiba, Brasil. CP. 80035-050. (francine@ufpr.br)
  • Volnei Pauletti Departamento de Ingeniería de Suelos y Agricultura-Universidad Federal de Paraná, Brasil. R. dos Funcionários 1540, Curitiba, Brasil. CP. 80035-050. (vpauletti@ufpr.br) https://orcid.org/0000-0002-9231-7851
  • Maria Aparecida Cassilha zawadneak Departamento de Patología Básica-Universidad Federal de Paraná, Brasil. Av. Cel. Francisco H. dos Santos 100, Curitiba, Brasil. CP. 81531-980. (mazawa@ufpr.br) https://orcid.org/0000-0003-0004-5623
  • Francine Lorena Cuquel Departamento de Ciencias de los Cultivos-Universidad Federal de Paraná, Brasil. R. dos Funcionários 1540, Curitiba, Brasil. CP. 80035-050. (francine@ufpr.br). https://orcid.org/0000-0002-3026-2058

DOI:

https://doi.org/10.29312/remexca.v12i5.2764

Keywords:

Fragaria x ananassa Duch., cultivo sin suelo, nutrición de amonio, ‘San Andreas’

Abstract

Strawberry (Fragaria x ananassa Duch.) production by using the semi-hydroponic fertigation system, is an increasingly adopted technology. One of the main challenges of this system is the nutritional management of nitrate (NO3-) and ammonium (NH4+), which can affect fruits development and quality. This work aims to determine the NO3-:NH4+ ratio of the nutrient solution for better quality of strawberry fruits grown in a semi-hydroponic system. ‘San Andreas’ strawberry runners were planted in an organic substrate composed by charred rice husk and pine bark. The NO3-:NH4+ proportions evaluated in fertigation were 100:0; 75:25; 50:50; 25:75 and 0:100. Leaf nitrogen contents and aerial dry mass loss showed a proportional increase concomitantly NH4+ increase on the solution. Leaf area and chlorophyll content increased up to 29% NH4+ in the nutrient solution, while higher concentrations negatively affected these characteristics. Chemical fruits’ features were not affected by the NO3-:NH4+ ratio, but the pulp firmness decreased as the NH4+ increased in the nutrient solution. Results obtained showed the best strawberry fruits development and quality were obtained by applying NO3-:NH4+ in fertigation solution at the ratio of 71:29.

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Published

2021-08-09

How to Cite

de Jesus, Gabriel Lucas de Jesus, Volnei Pauletti, Maria Aparecida Cassilha zawadneak, and Francine Lorena Cuquel. 2021. “Strawberry Quality Affected by the nitrate:Ammonium Ratio in the Nutrient Solution”. Revista Mexicana De Ciencias Agrícolas 12 (5). México, ME:753-63. https://doi.org/10.29312/remexca.v12i5.2764.

Issue

Vol. 12 No. 5 (2021)

Section

Articles

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