1887
Volume 7, Issue 1
  • EISSN: 2708-0463

Abstract

أجريت دراسة حقلية خلال الموسم 2024/2023 في حقول كلية الزراعة/جامعة تكريت، وخفضت جميع معاملات التجربة من شدة الإصابة بالمجموعين الجذري والخضري على مستوى الحقل، وأبدت معاملة جسيمات الفضة النانوية المحضّرة من راشح عزلة الفطر 2019 عند التركيز 1.5 ملي مولاري مع المبيد كلازير بوجود الفطر الممرض أدنى شدة إصابة في معاملة المبيد كلازير والجسيمات النانوية؛ إذ بلغت 19.13 و10.09% في الصنفين أبو غريب وأباء، مقارنة بأعلى شدة إصابة سُجّلت في معاملة الفطر الممرض في الصنف أباء وأبو غريب إذ بلغت 78.19 و77.41% على التوالي. كما بيّنت نتائج التجربة الحقلية عدم وجود فروق معنوية بين معاملة جسيمات الفضة النانوية المحضرة عند التركيز 1.5 ملي مولاري مع معاملة النباتات السليمة لكافة أصناف الحنطة المدروسة، في حين تفوّقت معاملة جسيمات الفضة النانوية عند التركيز نفسه مع المبيد كلازير بوجود الفطر الممرض على باقي المعاملات ولكافة الأصناف المدروسة مع تباين في سلوك تلك الأصناف، وقد سجلت أعلى قيم لهذه المعاملة في نسب نبات البذور والمساحة الورقية وارتفاع النبات ونسبة الكلوروفيل والوزن الجاف؛ إذ بلغت 92.43% و5.09سم2 و17.96سم و34.9 سباد و0.63جم للأصناف أباء وشام 6 والعراق و(أبو غريب + العراق)، مقارنة بأدنى القيم التي سُجّلت في معاملة الفطر الممرض فقط؛ إذ بلغت 13.4% و3.25سم2 و7.15سم للأصناف أباء وأبو غريب وشام 6 على التوالي، وذلك خلال ثلاثة أشهر من عمر النباتات.

A field study was conducted during the 2023–2024 growing season in the fields of the Plant Protection Department, College of Agriculture, University of Tikrit. Infection severity in the root and shoot systems was reduced by all treatments under field conditions. The treatment with silver (Ag) nanoparticles biosynthesized from 2019 filtrate at a concentration of 1.5 mM, combined with the fungicide Clazer, in the presence of the pathogenic fungus , showed the lowest infection severity, reaching 10.09% and 19.13% in the Abu Graib and Iba wheat cultivars, respectively, compared with the highest infection severity recorded in the Iba cultivar, which reached 78.19% and 77.41%, respectively. The field experiment results also indicated no significant differences among the treatments with Ag nanoparticles at 1.5 mM and the healthy control plants for all studied wheat cultivars. In contrast, the treatment combining Ag nanoparticles (1.5 mM) with the fungicide (Clazer) in the presence of was superior to all other treatments across all wheat cultivars, with variation in cultivar responses. Under this treatment, the highest values of seed germination, leaf area, plant height, chlorophyll content, and dry weight reached 92.43%, 5.09 cm², 17.96 cm, 34.9 SPAD, and 0.63 g for the Iba, Sham 6, Iraq, Iraq, and (Abu Graib + Iraq) cultivars, respectively. These values were significantly higher than those recorded under pathogen-only treatment, which resulted in the lowest values of 13.4% seed germination, 3.25 cm² leaf area, and 7.15 cm plant height in the Iba, Abu Graib, and Sham 6 cultivars, within three months after planting.

© 2026 The Author(s), licensee HBKU Press.
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2026-03-30
2026-04-05

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/content/journals/10.5339/ajsr.2026.7
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استخدام الجسيمات النانوية المصنعة حيويّاً من الفطر الغذائي Pleurotus ostreatus A2019 في مكافحة مرض موت وسقوط بادرات القمح Triticum aestivum L حقليّاً
​​​​Arabian Journal of Scientific Research-المجلة العربية للبحث العلمي 7, 7 (2026); https://doi.org/10.5339/ajsr.2026.7
/content/journals/10.5339/ajsr.2026.7
/content/journals/10.5339/ajsr.2026.7
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  • Article Type: Research Article
Keyword(s): Pleurotus sp., Pythium aphanidermatum, Ag nanoparticles, Triticum aestivum L and مرض موت وسقوط البادرات، فطر البيثيوم، جسيمات الفضة النانوية، محصول القمح.

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