Unraveling the effect of phenolic extract derived from olive mill solid wastes on agro-physiological and biochemical traits of pomegranate and its associated rhizospheric soil properties

Abboud, Samia; Ouni, Azhar; Ben Abdallah, Rania Aydi; Bchir, Amani; Ben Abdelwaheb, Sahar; Tlili, Darine; Dbara, Soumaya

doi:10.1016/j.jhazmat.2024.134234

Journal of Hazardous Materials

2024

DOI: 10.1016/j.jhazmat.2024.134234

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Unraveling the effect of phenolic extract derived from olive mill solid wastes on agro-physiological and biochemical traits of pomegranate and its associated rhizospheric soil properties

Samia Abboud,

Azhar Ouni,

Rania Aydi Ben Abdallah

et al.

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Palliative Effect of Phenolic Extract Derived from Olive Mill Solid Wastes on Pomegranate Plants Submitted to Water Stress

Tlili,

ABBOUD,

OUNI

et al. 2024

Preprint

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Fruit trees especially pomegranate (Punica granatum L.) is considered a sensitive specie that showed physiological disturbances under water stress conditions. In this context, it is imperative to improve strategies to mitigate productivity losses and improve fruit quality. On the other hand, Tunisia is an important producer of olive oil and generates every year huge quantities of olive mill solid waste (OMSW). The present study aims the valorization of the OMSW by producing a biostimulant derived from polyphenols extraction. It was applied to pomegranate to restore the negative effects of water stress and as a sustainable alternative to harmful agrochemicals products. The experiment consists on the application of phenolic extract (+PE) at 300 ppm on pomegranate plants. Three water treatments were applied: control (C: 100% FC), moderate stress (MS: 50% FC) and severe stress (SS: 25% FC). In total six combinations there were C+PE, C, MS+PE, MS, SS+PE, SS. Vegetative growth, biochemical statute of leaves and fluorescence were assessed. Results showed that plants treated with PE presented a better tolerance to water stress which was reflected by a higher antioxidant activity, polyphenols, flavonoids, and sugar contents. Additionally, the application of PE decreased the accumulation of proline and stimulated fluorescence increasing leaf area and chlorophyll pigments. It also had a potential in ameliorating shoot elongation and the relative water content in leaves. In conclusion, PE as promoting biostimulant, has beneficial effects by enhancing the tolerance of pomegranate plants to water stress, providing advantages in practices that ensure sustainable agriculture.

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Palliative Effect of Phenolic Extract Derived from Olive Mill Solid Wastes on Pomegranate Plants Submitted to Water Stress

Tlili,

ABBOUD,

OUNI

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

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Unraveling the effect of phenolic extract derived from olive mill solid wastes on agro-physiological and biochemical traits of pomegranate and its associated rhizospheric soil properties

Cited by 1 publication

References 77 publications

Palliative Effect of Phenolic Extract Derived from Olive Mill Solid Wastes on Pomegranate Plants Submitted to Water Stress

Palliative Effect of Phenolic Extract Derived from Olive Mill Solid Wastes on Pomegranate Plants Submitted to Water Stress

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