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Khaoula Habbadi
Laboratory of Phyto-Bacteriology and Biocontrol, Plant Protection Unit-National Institute of Agronomic Research INRA, Meknès 50000, Morocco

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Journal article
Published: 13 July 2021 in Sustainability
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Morocco belongs to the countries ranked at a high-risk level for entry, establishment, and spread of Xylella fastidiosa, which has recently re-emerged as a plant pathogen of global importance causing olive quick decline syndrome (OQDS). Symptomatic infection by X. fastidiosa leads to devastating diseases and important economic losses. To prevent such losses and damages, countries without current outbreaks like Morocco need to first understand their host plant responses to X. fastidiosa. The assessment of the macro and micro-elements content (ionome) in leaves can give basic and useful information along with being a powerful tool for the sustainable management of diseases caused by this devastating pathogen. Herein, we compare the leaf ionome of four important autochthonous Moroccan olive cultivars (‘Picholine Marocaine’, ‘Haouzia’, ‘Menara’, and ‘Meslalla’), and eight Mediterranean varieties introduced in Morocco (‘Arbequina’, ‘Arbosana’, ‘Leccino’, ‘Ogliarola salentina’, ‘Cellina di Nardo’, ‘Frantoio’, ‘Leucocarpa’, and ‘Picholine de Languedoc’), to develop hypotheses related to the resistance or susceptibility of the Moroccan olive trees to X. fastidiosa infection. Leaf ionomes, mainly Ca, Cu, Fe, Mg, Mn, Na, Zn, and P, were determined using inductively coupled plasma optical emission spectroscopy (ICP-OES). These varieties were also screened for their total phenolics and flavonoids content. Data were then involved in a comparative scheme to determine the plasticity of the pathogen. Our results showed that the varieties ‘Leccino’, ’Arbosana’, ‘Arbequina’ consistently contained higher Mn, Cu, and Zn and lower Ca and Na levels compared with the higher pathogen-sensitive ‘Ogliarola salentina’ and ‘Cellina di Nardò’. Our findings suggest that ‘Arbozana’, ‘Arbiquina’, ‘Menara’, and ‘Haouzia’ may tolerate the infection by X. fastidiosa to varying degrees, provides additional support for ‘Leccino’ having resistance to X. fastidiosa, and suggests that both ‘Ogliarola salentina’ and ‘Cellina di Nardö’ are likely sensitive to X. fastidiosa infection.

ACS Style

Kaoutar El Handi; Majida Hafidi; Khaoula Habbadi; Maroun El Moujabber; Mohamed Ouzine; Abdellatif Benbouazza; Miloud Sabri; El Achbani. Assessment of Ionomic, Phenolic and Flavonoid Compounds for a Sustainable Management of Xylella fastidiosa in Morocco. Sustainability 2021, 13, 7818 .

AMA Style

Kaoutar El Handi, Majida Hafidi, Khaoula Habbadi, Maroun El Moujabber, Mohamed Ouzine, Abdellatif Benbouazza, Miloud Sabri, El Achbani. Assessment of Ionomic, Phenolic and Flavonoid Compounds for a Sustainable Management of Xylella fastidiosa in Morocco. Sustainability. 2021; 13 (14):7818.

Chicago/Turabian Style

Kaoutar El Handi; Majida Hafidi; Khaoula Habbadi; Maroun El Moujabber; Mohamed Ouzine; Abdellatif Benbouazza; Miloud Sabri; El Achbani. 2021. "Assessment of Ionomic, Phenolic and Flavonoid Compounds for a Sustainable Management of Xylella fastidiosa in Morocco." Sustainability 13, no. 14: 7818.

Journal article
Published: 22 May 2020 in Foods
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In order to discover new natural resources with biological properties, the chemical composition, the antioxidant and antimicrobial activities, and the potential use as food preservative of essential oils of Moroccan Achillea odorata subsp. pectinata (AOpEO) and Ruta montana (RMEO) were studied. Gas chromatography-mass spectrometry (GC-MS) analysis revealed the presence of 21 and 25 compounds in AOpEO and RMEO, respectively. The results showed that the major compounds of AOpEO are camphor (45.01%), bornyl acetate (15.07%), borneol (11.33%), β-eudesmol (4.74%), camphene (3.58%), and 1.8-cineole (eucalyptol) (2.96%), whereas 2-undecanone (63.97%), camphor (3.82%) and cyclopropanecarboxylic acid (3.66%) were the main components of RMEO. The antioxidant activities were evaluated by diphenylpicrylhydraziyl radical (DPPH) and reducing power assays. The antimicrobial activities of essential oils were tested against bacterial strains and food contaminant yeast using agar disc diffusion and microdilution methods. A significant antimicrobial activity of AOpEO was observed against Bacillus subtilis, Proteus mirabilis and Candida albicans, compared to RMEO. The efficacy of AOpEO was also evaluated in model food systems (cabbage and barley) artificially inoculated during storage. The results found that the adding of a minimal inhibitory concentration (MIC) and 4× MIC were potent in decreasing the Proteus mirabilis growth in food model systems. Our findings suggested that AOpEO may be potentially used as an alternative food preservative.

ACS Style

Taoufiq Benali; Khaoula Habbadi; Abdelmajid Khabbach; Ilias Marmouzi; Gokhan Zengin; Abdelhakim Bouyahya; Imane Chamkhi; Houda Chtibi; Tarik Aanniz; El Hassan Achbani; Khalil Hammani. GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives. Foods 2020, 9, 668 .

AMA Style

Taoufiq Benali, Khaoula Habbadi, Abdelmajid Khabbach, Ilias Marmouzi, Gokhan Zengin, Abdelhakim Bouyahya, Imane Chamkhi, Houda Chtibi, Tarik Aanniz, El Hassan Achbani, Khalil Hammani. GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives. Foods. 2020; 9 (5):668.

Chicago/Turabian Style

Taoufiq Benali; Khaoula Habbadi; Abdelmajid Khabbach; Ilias Marmouzi; Gokhan Zengin; Abdelhakim Bouyahya; Imane Chamkhi; Houda Chtibi; Tarik Aanniz; El Hassan Achbani; Khalil Hammani. 2020. "GC–MS Analysis, Antioxidant and Antimicrobial Activities of Achillea Odorata Subsp. Pectinata and Ruta Montana Essential Oils and Their Potential Use as Food Preservatives." Foods 9, no. 5: 668.

Journal article
Published: 01 January 2017 in International Journal of Environment, Agriculture and Biotechnology
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Journal to Publish Research Papers in the field of Environment, Agriculture and Biotechnology. It is DOI peer reviewed online journal.

ACS Style

Basma Benbrahim Khaoula Habbadi; Basma Benbrahim; Abdellatif Benbouazza; Rachid Benkirane; El Hassan Achbani. Rapid and sensitive methods for detection of Allorhizobium vitis, causal agent of grapevine crown gall. International Journal of Environment, Agriculture and Biotechnology 2017, 2, 1814 -1821.

AMA Style

Basma Benbrahim Khaoula Habbadi, Basma Benbrahim, Abdellatif Benbouazza, Rachid Benkirane, El Hassan Achbani. Rapid and sensitive methods for detection of Allorhizobium vitis, causal agent of grapevine crown gall. International Journal of Environment, Agriculture and Biotechnology. 2017; 2 (4):1814-1821.

Chicago/Turabian Style

Basma Benbrahim Khaoula Habbadi; Basma Benbrahim; Abdellatif Benbouazza; Rachid Benkirane; El Hassan Achbani. 2017. "Rapid and sensitive methods for detection of Allorhizobium vitis, causal agent of grapevine crown gall." International Journal of Environment, Agriculture and Biotechnology 2, no. 4: 1814-1821.