Aloe vera long-term saline irrigation increases contents of hydrogen peroxide, lipid peroxidation and phenolic compounds

Dalila SouguirInstitut National de Recherches en Génie Rural, Eaux et Forêts (INRGREF), Ariana, TunisieCorrespondence[email protected]

Howaida Ibrahim Abd-AllaPharmaceutical and Drug Industries Research Division, Natural Compounds Chemistry Department, National Research Center, Giza, Egypt

Ezzedine El FerjaniLaboratoire de Physiologie et Génétique des plantes à intérêt agronomique, Faculté des Sciences de Bizerte, Jarzouna, Tunisie

Mohamed Larbi KhoujaInstitut National de Recherches en Génie Rural, Eaux et Forêts (INRGREF), Ariana, Tunisie

Mohamed HachichaInstitut National de Recherches en Génie Rural, Eaux et Forêts (INRGREF), Ariana, Tunisie

Figures & data

Figure 1. The variation on the electrical conductivity of the saturated paste extract (ECe) of the soil under irrigation with saline water. Values are mean ± SD based on three replicates and bars indicate standard deviation.Notes: Different letters indicate significant differences at P < 0.05 according to Tukey's test. Soil initial state refers to the soil before Aloe planting. C0, C1 and C2 indicate, respectively, the electrical conductivity of the irrigation water, EC_w equal to 1.25, 3 and 12 dS m^–1.

Table 1. The salt effects on the Aloe leaf growth. Irrigations were done with different quality of water: C0 (ECw 1.25 dS m^–1), C1 (ECw 3.50 dS m^–1) and C2 (ECw 12.00 dS m^–1). Values represent means ± standard deviation (SD) of triplicates.

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Figure 2. The effects of irrigation with saline water on the inorganic cation contents (a) and on the K/Na and the Ca/Na ratios (b) in Aloe leaves. Values are mean ± SD based on three replicates and bars indicate standard deviation.Notes: For each element and ratio, columns with different letters are significantly different at P < 0.05 according to Tukey's test. C0, C1 and C2 indicate, respectively, the electrical conductivity of the irrigation water, EC_w equal to 1.25, 3 and 12 dS m^–1.

Figure 3. The effects of irrigation with saline water on the hydrogen peroxide (H₂O₂) (a), the malondialdehyde (MDA) (b), and on the total phenolic (c) productions in Aloe leaves. Values are mean ± SD based on three replicates and bars indicate standard deviation.Notes: For each parameter, columns with different letters are significantly different at P < 0.05 according to Tukey's test. C0, C1 and C2 indicate, respectively, the electrical conductivity of the irrigation water, EC_w equal to 1.25, 3 and 12 dS m^–1. FW, fresh weight.

Figure 3. The effects of irrigation with saline water on the hydrogen peroxide (H2O2) (a), the malondialdehyde (MDA) (b), and on the total phenolic (c) productions in Aloe leaves. Values are mean ± SD based on three replicates and bars indicate standard deviation.Notes: For each parameter, columns with different letters are significantly different at P < 0.05 according to Tukey's test. C0, C1 and C2 indicate, respectively, the electrical conductivity of the irrigation water, ECw equal to 1.25, 3 and 12 dS m–1. FW, fresh weight.

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Aloe vera long-term saline irrigation increases contents of hydrogen peroxide, lipid peroxidation and phenolic compounds

Table 1. The salt effects on the Aloe leaf growth. Irrigations were done with different quality of water: C0 (ECw 1.25 dS m^–1), C1 (ECw 3.50 dS m^–1) and C2 (ECw 12.00 dS m^–1). Values represent means ± standard deviation (SD) of triplicates.

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Aloe vera long-term saline irrigation increases contents of hydrogen peroxide, lipid peroxidation and phenolic compounds

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Table 1. The salt effects on the Aloe leaf growth. Irrigations were done with different quality of water: C0 (ECw 1.25 dS m–1), C1 (ECw 3.50 dS m–1) and C2 (ECw 12.00 dS m–1). Values represent means ± standard deviation (SD) of triplicates.

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Table 1. The salt effects on the Aloe leaf growth. Irrigations were done with different quality of water: C0 (ECw 1.25 dS m^–1), C1 (ECw 3.50 dS m^–1) and C2 (ECw 12.00 dS m^–1). Values represent means ± standard deviation (SD) of triplicates.