نتایج جستجو برای: the mean temperature for germination

تعداد نتایج: 18336698  

پایان نامه :0 1391

employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی مهندسی 1385

acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...

سلیمی, حمیرا, غفاری, رویا, میقانی, فریبا,

Mesquite is an invasive and problematic weed in warm and dry areas and so its management is very important. In order to study the effective factors on mesquite seed germination, the following studies were conducted to investigate: 1- seed viability; 2- the effect of constant temperatures on seed germination including 5, 10, 15, 20, 25, 30, 35 and 40°C independent dark and independent light ...

2010
MG Kulkarni

Germination of nine important medicinal plant species from the high altitudes of southern Africa was investigated in relation to different environmental parameters. The seeds were subjected to different constant and alternating temperatures, temperature shifts, light and dark conditions, and cold stratification periods. Temperature regimes of 17–23°C appear most suitable for optimal germination...

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

in iran we already use laminate tubes only in cosmetics industry. laminate tube manufacturers via using the most modern technology of the world, faced with the laminate tube market being saturated in cosmetics industry for packaging the cosmetic creams and toothpaste. but considering the great food market and therefore laminate tube features such as beautiful packaging, ease of use for the fina...

پایان نامه :0 1374

this thesis is based upon the works of samuel beckett. one of the greatest writers of contemporary literature. here, i have tried to focus on one of the main themes in becketts works: the search for the real "me" or the real self, which is not only a problem to be solved for beckett man but also for each of us. i have tried to show becketts techniques in approaching this unattainable goal, base...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی و اجتماعی 1390

teachers beliefs have usually been left unattended in the realm of educational research in iranian context. one of those beliefs which seems to impact teachers performance in the classroom is their sense of self-efficacy, which refers to teachers belief in their ability to enhance student achievement and in bringing about positive learning outcomes. the present study aimed to investigate the pr...

Journal: رستنیها 2010

In order to investigate light and temperature effects on germination of different ecotypes of wild mustard  (Sinapis arvensis L.), seeds were collected from four regions: Fars, West Azarbayjan, Khouzestan and Mazandaran Provinces. Seed size and weight, difference of dormancy state among the ecotypes, seed germination in differential light and temperature conditions were studied. The results sho...

Journal: :حفاظت گیاهان 0
محبوبه شیردل آسیه سیاهمرگویی معصومه یونس آبادی

introduction: cleome viscose linn. with a common name as “asian spiderflower”, belongs to the capparidacea family. it is an annual, sticky herb found as a common weed all over the tropical regions of the world. it is a very competitive weed of annual crops. this plant is currently introduced as an invasive plant in soybean fields of golestan province. there is no management recommendation to co...

Journal: :علوم گیاهان زراعی ایران 0
عباس هاشمی دانشجوی کارشناسی ارشد علوم و تکنولوژی بذر، پردیس کشاورزی و منابع طبیعی دانشگاه تهران رضا توکل افشاری استاد گروه زراعت و اصلاح نباتات، دانشکده کشاورزی دانشگاه فردوسی مشهد لیلا تبریزی استادیار گروه علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

this study was conducted to investigate the effects of different temperatures on seed germination of plantago ovata and also to evaluate cardinal temperatures. various constant temperatures (5, 10, 15, 20, 25, 30 and 35ºc) were conducted in a completely randomized design with four replications. the germinated seeds were counted every day and the rate of germination percentage, cumulative germin...

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