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Effect of some Biological Agents on Pathogenicity of some Root Pathogenic Fungi | ||
| Rafidain Journal of Science | ||
| Article 15, Volume 27, Issue 4, 2018, Pages 1-16 PDF (1.25 M) | ||
| DOI: 10.33899/rjs.2018.159344 | ||
| Authors | ||
| Hadeel A. AL-Ameri* 1; Zuhair A. Dawood2; Fatin N. Mula Abed3 | ||
| 1Department of Biology,College of Science , University of Mosul | ||
| 2Department of Horticulture, College of Agriculture and Forestry,University of Mosul | ||
| 3Department of Biology , College of Science, University of Mosul | ||
| Abstract | ||
| Results of pathogenicity showed that the three fungi Fusarium culmorum, Cylindrocarpon spp. and Bipolaris spp. were the faster fungi inoculated in the emergence of symptoms as pathological symptoms in both strawberry varities Hapil and Festival. Hapil was more sensitive than Festival agents on the three studied fungi. The results indicate that the addition of biological agent T. harzianum and P.aerogenosa and fungicides Azadirachtin to the three fungi F. culmorum, Cylindrocarpon spp. and Bipolaris spp. caused a significant reduction of the pathogenicity compared with fungi alone, and the results indicated that the biological agent efficiency of high antagonisms ability against the three fungi F. culmorum, Cylindrocarpon spp. and Bipolaris spp., and the results indicated the ability of biological agent on P. aerogenosa agents the fungus Cylindrocarpon spp., and fungicide Azadirachtin showed high antagonism against Cylindrocarpon spp.أشارت نتائج اختبار القدرة الامراضیة الى أ ن الفطریات الثلاثة وفستفل Hapil تسببت فی ظهور الأعراض المرضیة فی صنفی الشلیک هابل Bipolaris spp. و Cylindrocarpon spp. و وکان الصنف هابل اکثر حساسیة من الصنف فستفل تجاه الفطریات الثلاثة المدروسة، فقد بینت النتائج الى ان إضافة .Festival والمقاوم الکیمیائی Pseudomonas aerogenosa والبکتیری Trichoderma harzianum المقاومین الحیویین الفطری اعطى انخفاضًا معنویًا فی Bipolaris spp. و Cylindrocarpon spp. و F. culmorum الى الفطریات الثلاثة Azadirachtin شدة ظهور المرض بالمقارنة مع الفطریات ک ً لا على حدة وبمفرده. وکان للمقاوم الحیوی الفطری کفاءة تضادیة عالیة ضد کما تشیر النتائج إلى تفوق القدرة التضادیة ،Bipolaris spp. و Cylindrocarpon spp. و F. culmorum الفطریات الثلاثة ایضًا قدرة Azadirachtin معنویًا وأظهر المقاوم الکیمیائی Cylindrocarpon spp. على الفطر P. aerogenosa للبکتریا .Cylindrocarpon spp. تضادیة عالیة على الفطر | ||
| Keywords | ||
| strawberry; Fungi; root; Trichoderma harzianum; Pseudomonas aerogenosa | ||
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