نتایج جستجو برای: the causal agent of leaf spot in sugar beet

تعداد نتایج: 25306108  

Journal: :چغندرقند 0
سعید عباسی گروه بیماری شناسی گیاهی دانشکدة کشاورزی دانشگاه تربیت مدرس عزیزاله علیزاده گروه بیماری شناسی گیاهی دانشکدة کشاورزی دانشگاه تربیت مدرس محمود مصباح مؤسسة تحقیقات چغندرقند مهدیه بنیﻫاشمی مؤسسة تحقیقات چغندرقند

in order to determine possibility of using detached leaf disks for evaluating resistance to cercospora beticola, the causal agent of leaf spot in sugar beet, twelve sugar beet cultivars exhibiting different levels of resistance to cercospora leaf spot were evaluated under field and laboratory conditions. the field experiment was conducted in a complete randomized block design with six replicate...

Journal: :کشاورزی (منتشر نمی شود) 0
سید باقر محمودی استادیار پژوهش، مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند، کرج، تهران حمید شریفی عضو هیأت علمی مرکز تحقیقات کشاورزی و منابع طبیعی صفی آباد، دزفول، خوزستان شهرام خدادادی کارشناس، موسسه تولید بذر الیت چغندرقند، فیروزکوه، تهران

resistance of 16 sugar beet cultivars to cercospora leaf spot was evaluated in ghaemshahr region. the experiment was conducted in a complete block design with six replications and disease severity of cultivars was measured two times. as a winter crop the root yield of cultivars and their disease severity compared under natural cercospora infection in dezfoul area in a complete block design with...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه شیمی و مهندسی شیمی ایران - پژوهشکده شیمی تجزیه و معدنی 1390

hydrochlorothiazide (hct) is a diuretic agent which is shown to be effective in the treatment of hypertension. literature reports have demonstrated that urinary excretion data may be used to assess the bioavailability of various formulations containing this thiazide. also hct consumption by the athletes is one of the drugs which should be regulated by world anti-doping agency (wada), because of...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم 1390

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Journal: :چغندرقند 0
سعید دارابی مربی مرکز تحقیقات کشاورزی و منابع طبیعی فارس محمد جمالی مربی مرکز تحقیقات کشاورزی و منابع طبیعی فارس محسن بذرافشان مربی مرکز تحقیقات کشاورزی و منابع طبیعی فارس سیدباقر محمودی دانشیار موسسه تحقیقات چغندرقند

rhizomania is one of the most important sugar beet diseases in iran and some other parts of the world. in this study, the infection rate of the most important weeds of sugar beet fields under natural condition  to the causal agent of the bnyvv (beet necrotic yellow vein virus) disease  was investigated at fars agricultural research center , iran. roots were collected from the infected weeds and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز - دانشکده کشاورزی 1389

abstract: since sugar consumption is directly related to diabetes and other illnesses such as obesity, the issue that will most heavily dominate the health food market is blood sugar management and low glycemic foods. using calcium chloride and gums such as sodium alginate and low ester pectin as thikener and a high-potency sweetener aspartame we were able to reduce sugar content of sour cherry...

Journal: :گیاه پزشکی 0

resistance of 16 sugar beet cultivars to cercospora leaf spot was evaluated in ghaemshahr region. the experiment was conducted in a complete block design with 6 replications, and, disease severity of cultivars was measured two times. root yield of cultivars, as well as their disease severity, was compared with each other under natural cercospora infection in dezful area (winter crop). in dezful...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1388

abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اراک - دانشکده علوم 1392

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

Journal: :علوم گیاهان زراعی ایران 0
محسن نیازیان دانشجوی سابق کارشناسی ارشد پردیس ابوریحان، دانشگاه تهران رضا امیری دانشیار پردیس ابوریحان، دانشگاه تهران اباذر رجبی محقق مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند کرج محمدرضا اوراضی زاده محقق مؤسسه تحقیقات اصلاح و تهیه بذر چغندرقند کرج حمید شریفی محقق مرکز تحقیقات کشاورزی صفی آباد دزفول

to evaluate general and specific combining ability for resistance to bolting and cercospora leaf spot, 36 hybrids derived from crosses between 9 sugar beet lines along with four checks were planted in safiabad agricultural research center (dezful) in 2008-2009. the experimental design was a triple lattice design with three replications. analysis of variance showed significant differences among ...

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