Iodine application increased ascorbic acid content and modified the vascular tissue in Opuntia ficus-indica L.

Hermila Trinidad García Osuna; Adalberto Benavides Mendoza; Catalina Rivas Morales; Eufemia Morales Rubio; Julia Verde Star; René Miranda Ruvalcaba

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Iodine application increased ascorbic acid content and modified the vascular tissue in Opuntia ficus-indica L.

Author(s)

Hermila Trinidad García Osuna Universidad Autónoma de Nuevo León, Departamento de Química, Facultad de Ciencias Biologicas. 66451, San Nicolás de los Garza, Nuevo León, México

Adalberto Benavides Mendoza Universidad Autónoma Agraria Antonio Narro, Departamento de Horticultura. 25315 Saltillo, Coahuila, México

Catalina Rivas Morales Universidad Autónoma de Nuevo León, Departamento de Química, Facultad de Ciencias Biologicas. 66451, San Nicolás de los Garza, Nuevo León, México

Eufemia Morales Rubio Universidad Autónoma de Nuevo León, Departamento de Química, Facultad de Ciencias Biologicas. 66451, San Nicolás de los Garza, Nuevo León, México

Julia Verde Star Universidad Autónoma de Nuevo León, Departamento de Química, Facultad de Ciencias Biologicas. 66451, San Nicolás de los Garza, Nuevo León, México

René Miranda Ruvalcaba AUniversidad Nacional Autónoma de México, Departamento de Química, Facultad de Estudios Superiores, 54740, Cautitlán Izcalli, Estado de México, México

Abstract

The objective of this study was to discern the effect of applying both iodide and iodate to Opuntia ficus indica irrigation. The effect of iodate (KIO3, 10-4 M) and iodide (KI, 10-4 M) on plant growth, yield and morphology was studied. Experiments were carried in three samples under tunnel conditions. In the last sampling, iodine species (KIO3, KI) caused a negative effect in biomass. The amount of ascorbic acid, however, was increased over 51% in both iodine treatments. Phosphorus (0.26%), iron (50 ppm), and magnesium (1402 ppm) increases were also observed with iodate treatment in the first sampling, and increases in potassium (46.8 ppm) were apparent in the second. Iodide treatment increased the amounts of copper (1.02 ppm) and manganese (32.80 ppm) in the first sampling. Iodate treatment modified the number of xylem vessels and increased both the mucilage area and amount of druses. In general this study shows that iodate increases the amount of ascorbic acid and the morphology of the vascular tissue.

Publication Details

Page(s) 127-134

DOI DOI not available

Published Journal: Pakistan Journal of Botany, Volume: 46, Issue: 1, Year: 2014

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