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Efficiency of Clove oil against casuals of seedling damping – off Pythium aphanidermatum (Edson) Fitzpatrick on cucumber
فعالية زيت القرنفل في مكافحة الفطر aphanidermatum Pythium المسبب لمرض سقوط البادرات على الخيار

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Abstract

This study was carried out to : (1) evaluate effectively of clove tree oil (Eugenia caryophylata Thunb) against the growth of Pythium aphanidermatum In Vitro . (2) Determine the effective extract concentration on seedling damping - off caused by pathogen on cucumber In Vivo , and (3) Identify the active component (s) of the effective Clove oil. The results showed that Clove oil extracted by steam distillation at 250 , 500 and 1000 ppm inhibited the growth of P. aphanidermatum by33.3 , 100 and 100%. Thin layer chromatographic analysis of the clove oil revealed that Eugenol was the active component against the pathogen .As consequence artificially contaminated soils , drenched with clove oil at 2000 ppm was significantly reduced the damping - off on cucumber by both pathogens .

هدفت هذة الدراسة الى اختبار فعالية زيت القرنفل ضد نمو الفطر Pythium aphanidermatum المسبب لمرض سقوط البادرات , وتحديد التركيز الفاعل وطريقة المعاملة ضد المرض في الحقل وتشخيص المادة او المواد الفعالة لزيت القرنفل المؤثرة ضد الفطر . واظهر زيت القرنفل المستخلص بالتقطير البخاري فعالية جيدة في تثبيط نمو الفطر P.aphanidermatum عند التراكيز 250 ، 500 ، 1000 جزء في المليون ، حيث بلغت نسبة التثبيط للفطر ( 33.3% ، 100 % و 100 % ) على التوالي . ولقد تم تشخيص مركب اليوجينول Eugenol من زيت القرنفل كمادة فعالة في تثبيط الفطر الممرض على الصفائح الكروموتوغرافية الرقيقة .واظهرت نتائج الاختبارات داخل البيت البلاستيكي تفوق زيت القرنفل بتركيز 2000 جزء في المليون في حماية بذور وبادرات الخيار من الاصابة بالفطر P.aphanidermatum

Keywords

oi --- Fitzpatrick --- زيت --- قرنفل --- مرض --- بادرات


Article
Clinical Assessment Of Melasma In Patients Attending The Department Of Dermatology And Venereology At Rizgary Teaching Hospital In Erbil City
التقييم السريري للكلف في المرضى الذين يحضرون قسم الأمراض الجلدية والتناسلية في مستشفى رزكاري التعليمي في مدينة أربيل

Authors: Robert Odish Butros --- Intiha Mohamad Almosuly
Journal: Zanco Journal of Medical Sciences مجلة زانكو للعلوم الطبية ISSN: 19955588/19955596 Year: 2010 Volume: 14 Issue: 2 Pages: 55-60
Publisher: Hawler Medical Univeristy جامعة هولير الطبية

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Abstract

Zanco J Med Sci: Aug. 2010; 14 (2): 55-60Clinical Assessment Of Melasma In Patients Attending The Department Of Dermatology And Venereology At Rizgary Teaching Hospital In Erbil CityDr. Intiha Mohamad Almosuly & Dr. Robert Odish ButrosJHJHJKJAbstractABSTRACT Background and Objectives: Melasma is an acquired and symmetric hyperpigmentation of the face. The aim of this study was to assess clinical varieties, aggravating factors of melasma, distribution among different age and sex groups and observed diseases.Methods: This descriptive study was conducted on 210 patients with melasma attending the department of Dermatology and Venereology at Rizgary Teaching Hospital in Erbil city. Data were collected from November 2007 to the end of June 2008. All patients and both sexes were included in the study except for patients who received treatment during last two months of pres-entation. A questionnaire was prepared and full history and a thorough examination was done for each patient.Results: The study showed that 83.33% of the patients were females with a mean age of 23.71 years. Main factors found to induce or exacerbate melasma were sunlight (71.9%) and emotional stress (65.7%). The most common morphological type was centrofacial (70.95%). Wood’s light examination showed epidermal type predominance.Conclusions: Melasma is a disease of reproductive period. Sunlight and emotional stress are the most common aggravating factor. The most common morphological type of melasma seen was centrofacial. Epidermal type of pigment predominates in most patients with melasma.

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