Publications Scientifiques

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Author: search.filters.author.Chebouti-Meziou, Nadjiba

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    Evaluation of the morphological and physicochemical diversity of carob (ceratonia siliqua, fabaceae) germplasm from algeria
    (Multidisciplinary Digital Publishing Institute (MDPI), 2024) Smaili, Oussama; Chebouti-Meziou, Nadjiba; Scollo, Francesco; La Malfa, Stefano; Gentile, Alessandra; Distefano, Gaetano; Luca, Leonardo Paul; Catalano, Chiara
    Despite the economic and ecological importance of the carob tree, few studies are available on the morphological characterization and chemical composition of carob in Algeria. This has resulted in the lack of selection of commercial cultivars of high seed and sugar content. The present study aims to assess the diversity of 11 wild and 1 cultivated carob populations in various regions of Algeria, characterized by diverse geographical and climatic conditions. The final objective is to assess the diversity of neglected carob plants that exhibit superior fruit quality traits and/or are well adapted to different pedoclimatic conditions. The current study focuses on analyzing pod and seed diversity by investigating 12 morphological and 5 physiochemical traits. The analysis of variance revealed significant differences between populations (p < 0.001) for all traits studied, indicating high morphological and chemical variability among these carob populations. Principal component analysis (PCA) was employed to study the relationship between these traits and the geographical origin. High seed yields characterized wild populations, whereas cultivated populations were rich in sugar. Based on morphological traits of pods, seeds and chemical compositions, a hierarchical clustering grouped the carob populations into four groups. The findings of this study represent a significant advancement towards establishing effective cultivar breeding programs in Algeria. They demonstrate that the germplasm examined in this research exhibits an optimal level of morphological and chemical diversity, which is instrumental in the identification of specific traits of both commercial and environmental significance.
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    Larvicidal activity of polyphenols of some anacardiaceae on mosquitoes (diptera: culicidae) agent of pathogenic diseases
    (Agrobiologia, 2022) Kirouani, Mouna; Chebouti-Meziou, Nadjiba; Chebouti, Yahia
    Description of the Subject: As part of the search for a biological method against Culicidae vectors of pathogenic diseases, sensitivity tests are carried out on mosquitoes by the use of polyphenolic extract of pistachio: Pistacia terebinthus, Pistacia lentiscus and Pistacia atlantica. Objective: This study contributes to the enhancement of plant extracts of the Pistacia genera. To this end, a reduction in the use of chemicals, as well as their imports; and finally to use an effective, natural and economical means of control. Methods: In this work, the insecticidal activity of these extracts was studied on stage 1 and 4 larvae of Culex pipiens (Linnaeus). Toxicity tests revealed after 24/48 and 72 hours and after one week to determine LC50 and TL50, the results are confirmed by the ANOVA and Tukey test. Result: In general, the polyphenolic extract has a strong larvicidal effect, in particular the polyphenolic extract of Pistacia lentiscus and Pistacia atlantica. Our results showed a very interesting larvicidal activity, with LD50 values of Pistacia lentiscus of 30.44 mg / ml and 92.30 mg / ml of L1 and L4 larval stages after 24 hours. On the other hand, the toxicity is well marked when the duration of exposure of the larvae is longer with a mortality rate reaching 100% for L1 and L3 after 72 hours for the polyphenolic extract of Pistacia lentiscus and Pistacia atlantica. The results show that the polyphenolic extract of the leaves of Pistacia lentiscus and Pistacia atlantica has a very significant toxic effect, is p=0.000 for the different larval stages, Pistacia lentiscus and Pistacia atlantica have a remarkable larvicidal activity. Conclusion: As part of the fight against mosquitoes, the polyphenolic extract of the leaves of three plants of the genus Pistacia is used as a natural biocide.
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    Antioxidant and wound healing potential of saponins extracted from the leaves of Algerian urtica dioica L.
    (2017) Laoufi, Razika; Affif Chaouche, Thanina; Chebouti-Meziou, Nadjiba; Benhabyles, Narimen; Dahmani Mohamed, Mahdi; Arab, Karim
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    Le régime alimentaire du pigeon ramier columba palumbus aux abords de la plaine de la mitidja (nord algérie) = Diet of the wood pigeon columba palumbus near the plain of Mitidja (northern Algeria)
    (Societe Nationale de Protection de la Nature, 2014) Merabet, Amel; Chebouti-Meziou, Nadjiba; Cheboutl, Yahia; Blssaad, Fatima-Zohra; Doumandji, Salaheddine