الباحثون

Abdullah Mohammed Al-Sadi

· ORCID 0000-0002-3419-8268

المنشورات 10

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Antagonistic Bacterial Isolates Derived from Salt Cedar (Tamarix nilotica) Suppress Pythium aphanidermatum Damping-Off in Cucumber under Glasshouse Conditions

Saba Al-Ghassani, Issa Hashil Al-Mahmooli, Fatma Al-Makhmari وآخرون · مجلة العلوم الزراعية والبحرية · 2026 · 10.53541/2410-1079.1355

Cucumber (Cucumis sativus L.) damping-off, which is caused by the soilborne oomycete Pythium aphanidermatum, is an extremely damaging disease. An environmentally friendly and safe method of controlling damping-off in cucumber and other vegetable crops is biological control, which employs naturally existing antagonistic …

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Effect of Application of Epiphytic Yeast Meyerozyma guilliermondii SQUCC-33Y and Tamarindus indica Leaf Extract on Alternaria alternata-induced Post-harvest Black Mold Rot of Tomato Fruits

Samiya Saleh Al-Maawali, Abdullah Mohammed Al-Sadi, Zahra S. Al-Kharousi وآخرون · مجلة العلوم الزراعية والبحرية · 2025 · 10.53541/2410-1079.1341

Black mold rot of tomato (Solanum lycopersicum Mill) fruits, incited by Alternaria alternata, is a major constraint in tomato production worldwide. The fungus invades unripe fruits in the field, remains dormant and then cause symptoms as the fruits begin to ripe. In this study, the effectiveness of the antagonistic yea …

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Antifungal Activity of Shirazi Thyme (Zataria multiflora Boiss.) Essential Oil against Hypomyces perniciosus, a causal agent of wet bubble disease of Agaricus bisporus

Yumna Juma Rashid Al-Balushi, Abdullah Mohammed Al-Sadi, Issa Hashil Al-Mahmooli وآخرون · مجلة العلوم الزراعية والبحرية · 2025 · 10.53541/jams.vol27iss2pp59-65

Wet bubble disease (WBD) caused by Hypomyces perniciosus is a major constraint of button mushroom (Agaricus bisporus) cultivated worldwide. A few synthetic chemical fungicides are used to control WBD. In our study, the potential of essential oil (EO) from Zataria multiflora in inhibition of H. perniciosus was evaluated …

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Assessment of aflatoxin B1 content and aflatoxigenic molds in imported food commodities in Muscat, Oman

Alaa Khamis Sulaiman Al-Alawi, Ahad Ahmed Said Al-Mandhari, Issa Hashil Al-Mahmooli وآخرون · مجلة العلوم الزراعية والبحرية · 2025 · 10.53541/jams.vol28iss1pp1-6

Aflatoxins, mainly produced by Aspergillus flavus and A. parasiticus are considered as serious food safety and human health issues due to their hepatotoxic effects. In the present study, the occurrence of aflatoxin B1 (AFB1), the most potent human liver carcinogen, and prevalence of toxigenic isolates of Aspergillus sp …

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Biotic and Abiotic Stresses of Major Fruit Crops in Oman: A review

Rashid Abdullah Al-Yahyai, Latifa Al-Kharusi, Mumtaz M. Khan وآخرون · مجلة العلوم الزراعية والبحرية · 2025 · 10.53541/jams.vol27iss1pp16-37

Oman is located in an arid region of the world that is characterized by adverse climatic conditions, including heat and drought. In recent years, it has also been affected by climate turbulence and the occurrence of severe weather, such as cyclones and heat/cold waves affecting large agricultural areas of the country. …

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In vitro antagonistic potential, plant growth-promoting activity and indole-3-acetic acid producing trait of bacterial isolates from spent mushroom substrate of Agaricus bisporus

Rethinasamy Velazhahan, Shima Nasser Hamed Al-Mamari, Abdullah Mohammed Al-Sadi وآخرون · مجلة العلوم الزراعية والبحرية · 2020 · 10.24200/jams.vol25iss2pp22-29

Spent mushroom substrate (SMS) is widely used as fertilizer and to control plant diseases. The microorganisms surviving in SMS play a crucial role in plant growth promotion and biocontrol properties of SMS. In this study, an effort was made to isolate and characterize the bacterial species present in the SMS of Agaricu …

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Effect of grafting on resistance to vine decline disease, yield and fruit quality in muskmelon cv. Sawadi

Qais Al-Mawaali, Abdullah Mohammed Al-Sadi, Fahad A. Al Said وآخرون · مجلة العلوم الزراعية والبحرية · 2019 · 10.24200/jams.vol23iss0pp2-10

A study was conducted to evaluate graft success, resistance to vine decline disease and effect of grafting on quality and yield of muskmelon. Two field experiments, conducted in Oman, showed that muskmelon cv. Sawadi grafted on six cucurbit rootstocks gave high grafting success: 97.6-99.1% (avg. 98.6%) and 92.4-96.9% ( …

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Effect of grafting on resistance to vine decline disease, yield and fruit quality in muskmelon cv. Sawadi

Qais Al-Mawaali, Abdullah Mohammed Al-Sadi, Fahad A. Al Said وآخرون · مجلة العلوم الزراعية والبحرية · 2019 · 10.24200/jams.vol23iss1pp2-10

A study was conducted to evaluate graft success, resistance to vine decline disease and effect of grafting on quality and yield of muskmelon. Two field experiments, conducted in Oman, showed that muskmelon cv. Sawadi grafted on six cucurbit rootstocks gave high grafting success: 97.6-99.1% (avg. 98.6%) and 92.4-96.9% ( …

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Spatio-temporal dynamics of land use changes in response to external pressures in Oman: Greenhouse cropping as an example

Michael L. Deadman, Abdullah Mohammed Al-Sadi, Malik Al-Wardy وآخرون · مجلة العلوم الزراعية والبحرية · 2016 · 10.24200/jams.vol21iss0pp33-46

Further from the northern coast of Oman new farm developments were more frequent than closer to the coast; they were also larger. The density of farms was highest close to Muscat although the distance enclosing 50% of farms had shifted away from Muscat during the study period. The dominance of Muscat is likely to be re …

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Effect of rootstock on muskmelon cultivar reaction to vine decline disease and yield under arid conditions

Q.S. Al Mawaali, Abdullah Mohammed Al-Sadi, F.A. Al-Said وآخرون · مجلة العلوم الزراعية والبحرية · 2016 · 10.24200/jams.vol21iss0pp47-56

Monosporascus cannonballus, Rhizoctonia solani and Pythium aphanidermatum are the main causal agents of muskmelon vine decline disease in Oman. This study was conducted to examine the response of six cucurbit rootstocks grafted on four muskmelon scions to the causal agents and fruit quality and quantity. The response o …

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