نتایج جستجو برای: 1467 mm against gaeumannomyces graminis var tritici ggt were initially selected for greenhouse experiment following the greenhouse experiment

تعداد نتایج: 18454992  

Journal: :Pest management science 2009
George J Baley Kimberley G Campbell Joseph Yenish Kimberlee K Kidwell Timothy C Paulitz

BACKGROUND The herbicide glyphosate has a synergistic effect on root disease because of increased susceptibility from reduced plant defenses resulting from the blockage of the shikimic acid pathway. Could glyphosate-resistant (GR) wheat cultivars and glyphosate application in-crop increase the risk of damage from soil-borne pathogens? Growth chamber experiments were conducted with two GR wheat ...

پایان نامه :0 1374

in fact this study is concerned with the relationship between the variation in thematice structure and the comprehension of spoken language. so the study focused on the following questions: 1. is there any relationship between thematic structure and the comprehension of spoken language? 2. which of the themes would have greated thematic force and be easier for the subjects to comprehend? accord...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده ادبیات و علوم انسانی 1392

abstract the first purpose of this study was to investigate the effect of consciousness-raising (c-r) activities on learning grammatical structures (simple present tense in this case) by iranian guidance school efl learners. the second one was to investigate the effect of gender on learning the simple present tense through c-r activities and tasks. finally, this study aimed to investigate the ...

پایان نامه :0 1374

in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...

Journal: :Journal of nematology 1993
A F Bird M H Ryder

Information on the effect of bacteria-feeding nematodes on bacterial populations in the soil is sparse. We have isolated, cultured, and microscopically examined bacteria and nematodes coexisting within an agricultural soil and have studied their feeding relationship. The bacterium Pseudomonas corrugata isolate 2140R is a biocontrol agent against the pathogenic fungus Gaeumannomyces graminis var...

ژورنال: بیماریهای گیاهی 2009
عزیزاله علیزاده لیلا صادقی مجتبی قلندر ناصر صفایی,

گونه‌های مختلف Gaeumannomyces به ویژه Gaeumannomyces graminis از مهمترین قارچ‌های بیماری‌زای خاک‌زاد می‌باشند که باعث بروز بیماری خطرناک پاخوره یا پاسوزه غلات و سایر گرامینه‌ها در سراسر دنیا می‌شوند. در این تحقیق 52 جدایه بیمارگر G. graminis از مناطق مختلف مزا...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد گرمسار - دانشکده علوم انسانی 1391

abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...

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