Diurnal physiological response of tomato cultivation to the application of silicon under salinity conditions

Authors

  • Pedro Iván López-Cuén , Facultad de Agronomía-Universidad Autónoma de Sinaloa. Carretera Culiacán-El Dorado km 17.5, Culiacán, Sinaloa, México. CP. 80000
  • Daniel González-Mendoza , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705
  • María Isabel Escobosa-García , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705
  • Víctor Cárdenas Salazar , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705
  • Fidel Núñez-Ramírez , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705
  • Roberto Soto-Ortíz , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705
  • Cristina Ruiz-Alvarado , Instituto de Ciencias Agrícolas-Universidad Autónoma de Baja California. Carretera a Delta s/n, Ejido Nuevo León, Baja California, México. CP. 21705

DOI:

https://doi.org/10.29312/remexca.v11i2.1917

Keywords:

greenhouse, mineral nutrition, plant physiology, saline stress, sodium chloride

Abstract

Silicon (Si) has beneficial effects on the tolerance of plants to various biotic and abiotic stresses. The objective of this study was to determine the effect of Si nutrition in tomato grown under conditions of induced saline stress (S), on leaf temperature, chlorophyll fluorescence and stomatal conductance (gs). The experiment was conducted under greenhouse conditions during the spring-summer 2017 cycle. A randomized distributed plot design was used. In which the main plot was salinity [with NaCl or with standard nutrient solution (SNS)] and the subplot was the application of Si (0, 4, 8 g L-1). The variables were measured during the day. The results showed that the leaf temperature increased at dawn in plants with NaCl and at sunset the effect was reversed and the highest values were in plants with SNS. At noon, Si × S interaction was identified in the photosynthetic efficiency (Fv/Fm) and minimal fluorescence (Fo) variables. The maximum fluorescence (Fm) was more affected by the type of salinity, with the highest values of plants with SNS. It was concluded that the diurnal physiological response of the tomato plant grown under saline conditions, will depend on the type of salt used and the dose of Si, especially at early and late hours of the day.

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Published

2020-03-24

Issue

Vol. 11 No. 2 (2020)

Section

Articles

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How to Cite

López-Cuén, Pedro Iván, Daniel González-Mendoza, María Isabel Escobosa-García, Víctor Cárdenas Salazar, Fidel Núñez-Ramírez, Roberto Soto-Ortíz, and Cristina Ruiz-Alvarado. 2020. “Diurnal Physiological Response of Tomato Cultivation to the Application of Silicon under Salinity Conditions”. Revista Mexicana De Ciencias Agrícolas 11 (2): 339-52. https://doi.org/10.29312/remexca.v11i2.1917.

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