نتایج جستجو برای: two different viruses were isolated from sugar beet growing areas in karaj

تعداد نتایج: 18278174  

Journal: :چغندرقند 0
سعیده نوری دانشجوی کارشناسی ارشد دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی نفیسه سادات نقوی دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران مریم محمدی سیچانی مربی دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران مهدیه گل گل جم کارشناس دانشگاه آزاد اسلامی، واحد فلاورجان، گروه میکروبیولوژی، اصفهان، ایران محمد علی ضیاء استادیار دانشگاه آزاد اسلامی، واحد خوراسگان، گروه علوم پایه، اصفهان، ایران

there is a long period between harvested beets and their transfer to the sugar factory. sugar beet crop is damaged and injured during harvest and transport which provides a suitable place for various saccharoliytic microorganisms growth in terms of temperature, moisture, ph and glucose concentration. in this study, samples were randomly selected from the roots stored in spring 2010 and also the...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1388

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Journal: :BMC Biotechnology 2004
Dietmar J Stahl Dorothee U Kloos Reinhard Hehl

BACKGROUND Modification of leaf traits in sugar beet requires a strong leaf specific promoter. With such a promoter, expression in taproots can be avoided which may otherwise take away available energy resources for sugar accumulation. RESULTS Suppression Subtractive Hybridization (SSH) was utilized to generate an enriched and equalized cDNA library for leaf expressed genes from sugar beet. F...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد 1388

the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و زبانهای خارجی 1390

abstract the current study set out to address the issue as to whether the implementation of portfolio assessment would give rise to iranian pre-intermediate efl learner autonomy. participants comprised 60 female in pre-intermediate level within the age range of 16-28.they were selected from among 90 language learners based on their scores on language proficiency test -key english test. then, t...

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

for any educational program to be successful, many factors work hand in hand. based on pervious efl studies, teachers and learners are the keys to gain achievement. granted the fact that explicit and implicit practice plays a key role in education, knowledge of it can help teachers facilitate students’ vocabulary learning. this study investigated to determine the contribution of explicit and i...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده مهندسی شیمی 1389

on this project we try to calculated power of hydrogen on dycarbonil compound in different ways ; the first way is shoster way , for sain power of hydrogen notice the different power between central conforms on it and main conform that’s didn’t have hydrogen joint . or in other way different of energy between open and close form. second way, is average way? this is for way that studied conf...

Journal: :چغندرقند 0

the research was carried out to study the effect of controlled deficit irrigation (cdi) on quality and quantity of sugar beet in bardsir region of kerman and karaj during 2005- 2006. in this experiment, 11 irrigation treatments were studied in a randomized complete block design with three replicates. crop water requirement was calculated in two- day periods. the treatments were implemented in d...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Journal: :چغندرقند 0
راحله رهام دانش آموخته کارشناسی ارشد زراعت دانشگاه لرستان ناصر اکبری استادیار دانشکده کشاورزی دانشگاه لرستان محمد عبداللهیان نوقابی دانشیار پژوهشی مؤسسه تحقیقات چغندرقند حمیدرضا عیسوند استادیار دانشکده کشاورزی دانشگاه لرستان محمد یعقوبی دانش آموخته کارشناسی ارشد زراعت دانشگاه لرستان

a field experiment was conducted to study the spatial relationships between weed seed bank and population and their distribution models in sugar beet crop (beta vulgaris) in 2009 at motahari  agricultural research station of karaj. sampling from seed bank before sugar beet drilling and weed population in three stages during the growing season were done using square (50*50 cm) and rectangle (25*...

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