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Biological control of fungal blast disease in rice plants / Farqad Fathi Hasan ; Supervised Mary S. Khalil , Mohamed Hani Moubasher

By: Contributor(s): Material type: TextTextLanguage: English Publication details: Cairo : Farqad Fathi Hasan , 2015Description: 152 P. : charts , facsimiles ; 25cmOther title:
  • المقاومة البٌيولوجٌية للفطرٌيات المسببة لمرض لفحة الورقة فى نبات الأرز [Added title page title]
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  • Issued also as CD
Dissertation note: Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Botany and Microbiology Summary: Fifty isolates of actinomycetes were isolated from Egyptian soil, rice field. All these isolates were identified according to (ISP) based on morphological and physiological characterization and found the fifty actinomycetes isolated belonged to eight Streptomyces species. Confirmed the results of morphological and physiological identification of isolate No.16 b according to molecular identification based of 16S sequences as Streptomyces flavotricini. All Streptomyces species were subjected for antagonistic test against rice blast fungus Pyricularia grisea. 50% of tested Streptomyces species did not reveal any antifungal activity against Pyricularia grisea, while 50% of tested organisms gave inhibition zone. The highest antifungal activities were obtained from the culture of Streptomyces flavotricini that gave inhibition zone (more than 40 mm), therefore this isolate was chosen for further investigations. The best conditions for the production of antifungal compounds were at 28{u00B0}C for 9 days, pH 7.2
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Thesis Thesis قاعة الرسائل الجامعية - الدور الاول المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.05.M.Sc.2015.Fa.B (Browse shelf(Opens below)) Not for loan 01010110066656000
CD - Rom CD - Rom مخـــزن الرســائل الجـــامعية - البدروم المكتبة المركزبة الجديدة - جامعة القاهرة Cai01.12.05.M.Sc.2015.Fa.B (Browse shelf(Opens below)) 66656.CD Not for loan 01020110066656000

Thesis (M.Sc.) - Cairo University - Faculty of Science - Department of Botany and Microbiology

Fifty isolates of actinomycetes were isolated from Egyptian soil, rice field. All these isolates were identified according to (ISP) based on morphological and physiological characterization and found the fifty actinomycetes isolated belonged to eight Streptomyces species. Confirmed the results of morphological and physiological identification of isolate No.16 b according to molecular identification based of 16S sequences as Streptomyces flavotricini. All Streptomyces species were subjected for antagonistic test against rice blast fungus Pyricularia grisea. 50% of tested Streptomyces species did not reveal any antifungal activity against Pyricularia grisea, while 50% of tested organisms gave inhibition zone. The highest antifungal activities were obtained from the culture of Streptomyces flavotricini that gave inhibition zone (more than 40 mm), therefore this isolate was chosen for further investigations. The best conditions for the production of antifungal compounds were at 28{u00B0}C for 9 days, pH 7.2

Issued also as CD

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