Browsing by Author "Chemsa, Ahmed Elkhalifa"

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    Cold Plasma Effects on Irrigation Water and Crop Growth in Faba Bean and Wheat
    (Occidental Marco Polo, Hammamet, Tunisia, 2025-06-22) Ghemam Amara, Djilani; Ferhat, Mohammed Fouad; Messaoudi, Mohammed; Mekhedmi, Nourelhouda; Laouej, Hacene; Zeid,Alia; Kheraze, Khaled; Cherrada, Nezar; Chemsa, Ahmed Elkhalifa
    هدفت هذه الدراسة إلى التحقيق في تأثير مياه الري المعالجة بالبلازما على إنبات ونمو أربعة أصناف نباتية، وهي: صنفان من الفول العريض (Vicia faba L. – Fito Histal، Haba Fava) وصنفان من القمح (القمح اللين HD1220، والقمح الصلب Amar 06). وقد تم تصميم التجربة باستخدام معاملتي ري رئيسيتين (ماء غير معالج وماء معالج بالبلازما)، وتم تطبيق كل معاملة على كل صنف بثلاث مكررات. شملت الدراسة مجموعة شاملة من المؤشرات البيولوجية، مثل معدل وسرعة الإنبات، والصفات المورفولوجية (طول النبات، عدد الأوراق، قطر الساق)، والمعايير الفسيولوجية (محتوى الكلوروفيل الكلي ومستوى السكريات الذائبة). كما تم تحليل الخصائص التشريحية لأعضاء النبات الأساسية (الورقة، الساق، الجذر) في نباتات القمح. أظهرت النتائج أن الري بالماء المعالج بالبلازما أدى إلى تحسين ملحوظ في معظم المعايير المقاسة مقارنة بالماء غير المعالج. وقد لوحظت تحسينات كبيرة في معدلات الإنبات، ومؤشرات النمو الخضري، والمحتوى البيوكيميائي. كما ساهمت المعالجة في تعزيز البنية التشريحية، خاصة لدى نباتات القمح. تُبرز هذه النتائج الإمكانات الواعدة لمعالجة المياه بالبلازما كإجراء زراعي فعال وآمن لتحسين الإنبات والأداء الخضري في نباتي الفول والقمح، مما يجعلها خيارًا واعدًا ضمن استراتيجيات الزراعة المستدامة الهادفة إلى رفع إنتاجية المحاصيل. Abstract: This study aimed to investigate the effects of plasma-treated irrigation water on the germination and vegetative growth of four plant cultivars: two cultivars of faba bean (Vicia faba L. – Fito Histal , Haba Fava) and two wheat cultivars (blé tendre HD1220 , blé dur Amar 06( The experimental design involved two main irrigation treatments (untreated water and plasma-treated water), applied to each cultivar with three replications per treatment. A comprehensive set of biological indicators was assessed, including germination rate and speed, morphological traits (plant height, leaf number, stem diameter), and physiological parameters (total chlorophyll content and soluble sugar levels). For wheat plants, anatomical characteristics of key plant organs (leaf, stem, and root) were also analyzed. The results revealed that irrigation with plasma-treated water significantly enhanced most of the evaluated parameters compared to untreated water. Notable improvements were observed in germination rates, vegetative growth metrics, and biochemical contents. Moreover, the treatment contributed to the reinforcement of anatomical structures, particularly in wheat plants. These findings highlight the potential of plasma water treatment as an effective and safe agronomic practice to boost germination and vegetative performance in both faba bean and wheat. This approach may serve as a promising component in sustainable agriculture strategies aimed at improving crop productivity.
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    Effect of some agricultural residues on the characteristics of growth and yield of the onion bulb (Allium cepa L)
    (University of eloued جامعة الوادي, 2019-04-15) Ghemam Amara, Djilani; Rebiai, Abdelkrim; Alia, Zaid; Djihad, Saoud; Kherraz, Khaled; Mesbahi, Mohammed Adel; Chemsa, Ahmed Elkhalifa; Senoussi, Mohammad Mourad
    the study was conducted at the primary school farm in Rabbah zone during in 2016/2017 season, To evaluate the contribution of fram residues (palm residues, Peanut Peels, cooked tea leaves) in vegetative growth and the bulb onion in addition to the total yield of onion plant. An investigation was a randomized complete block design in three replications. The obtained results of experiment showed that: - Application of fertilize by cooked tea leaves were significantly better in of the studied characters (plants height and Leaves Area) with rate increased to 47.15% and 93.4% respectively, than control treatment. Followed by T1 and then T3. - Peanut Peels treatment gave the largest number of tubular blades in the plant(12.33), the diameter of the bulb neck(13.48mm) and bulb Length(7.35cm) than other treatments. Followed by T2 and then T3. -cooked tea leaves plants gave highest diameter of bulb(5.42cm), highest bulb weight(66g) and yield(20.85 t/ha) in the season. where Achieving with T1(18.35t/ha) significantly increase in the yield total in comparison with other treatments.
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    Phytochemical Study, Nutritive Value, Antioxidant And Anti-inflammatory Activities Of Phenolic Extracts From Desert Plant Calligonum Comosum L'hér.
    (جامعة الوادي - University of Eloued, 2020-12-31) Saleha, Awadi; Chouikh, Atef; Chemsa, Ahmed Elkhalifa; Aounallah, Chahira; Aounallah, Imane; Alia, Fatma
    The aim of this study is to the estimation of the nutritive values, phytochemical study and the antioxidant and anti-inflammatory activities of ethyl acetate, tannins and crudes extracts from the aerial part of Calligonum comosum L’Hér. Which grow in South East of Algeria. According to the results obtained from the estimation of nutritive value, the plant is rich in proteins and lipids and very poor in carbohydrates. The results also showed a difference in the content of polyphenols and flavonoids. The crude extracts were high in polyphenols content in the ethanol extract 170.74±5.8 mg EAG/g Extract, and the best value of flavonoids in methanol extract 28.22±0.25 mg QE/g Extract. Chromatographic analysis by HPLC of methanolic extract has identified four phenolic compounds out of 38 peaks as: Gallic acid, Chlorogenic acid, Caffeic acid and Vanillic acid. The antioxidant activity was evaluated by three tests, the results of the DPPH• test, showed that methanol extract had the best scavenging than the other extracts (IC50: 2.09±0.02 μg/ml), But, in the hemolysis test, the values of the percentage of hemolysis were approximately the same at concentration 1 mg/ml between the extracts and standard used. In the reducing power test, its results showed that the tannins extract had the highest reducing power 79.17±5.22 μg/ml at Abs700nm=0.5. As for anti-inflammatory activity, the methanol and flavonoids phase ethyl acetate extracts showed the best inhibitory effect against protein denaturation compared to other extracts. The effects were estimated 3.14mg E Diclofenac/mg Extract.