نتایج جستجو برای: diameter as well as leaf number

تعداد نتایج: 6462520  

Journal: :پژوهش های تولید گیاهی 0
المیرا محمدوند علیرضا کوچکی دانشگاه فردوسی مشهد مهدی نصیری محلاتی دانشگاه فردوسی مشهد عباس شهدی کومله موسسه تحقیقات برنج کشور- رشت زینب اورسجی استادیار گروه تولیدات گیاهی دانشکده علوم کشاورزی و منابع طبیعی دانشگاه گنبد کاووس

background and objectives: early watergrass (echinochloa oryzoides) is considered as a new-introduced species and then as a potential invader. investigation of competitive traits of this species, in comparison with barnyardgrass (e. crus-galli), one of the most important weeds in rice fields of guilan province, would be useful to determine its spreading possibility as an aggressive weed. theref...

Journal: :journal of ornamental plants 2015
edmar n. franquera

mulches bring several benefits to lettuce cultivation.a study on the lettuce ‘red rapids’ has been conducted to determine the influence of the different colored plastic mulch on its growth. the experiment consisted of five color treatments as follows; treatment 1- metallic silver (control), treatment 2- red, treatment 3- orange, treatment 4- yellow and treatment 5-green. results showed that the...

تاجیک قنبری, محمدعلی, دهستانی, علی , سلیمی, اعظم , قربانپور , اکرم , پیردشتی, همت اله ,

In order to investigate the relationship between different traits with yield, an experiment was conducted on 16 tomato genotypes in randomized complete blocks design, with three replications. Twenty agronomical traits including plant height, stem diameter, number of shoots, plant weight, number of branches, number and dry weight of leaves, stems and roots, number of fruits per plant, fruit weig...

Bahalo, Z. , Barzegar, R., Ghasemi Ghehsareh, M.,

To investigate the effects of nutrient-solution concentrations of potassium (K) and calcium (Ca), as well as different ratios of K/Ca, on growth and flowering of lisianthus (Eustoma grandiflorum) under soilless culture conditions, a factorial experiment was conducted with two factors including two K levels (300 and 400 mg/L) and three Ca levels (80, 100 and 160 mg/L). Results showed that K= 400...

Journal: :علوم باغبانی ایران 0
راهله ابراهیمی دانشجوی سابق دکتری، پردیس کشاورزی و منابع طبیعی دانشگاه تهران محمد رضا حسندخت دانشیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران ذبیح اله زمانی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران عبدالکریم کاشی استاد، گروه علوم باغبانی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران ایزابل رولدان رویز استاد بخش علوم گیاهی مرکز تحقیقات کشاورزی و شیلات بلژیک

in this research work, genetic diversity of 21 wild persian shallot (allium hirtifolium boiss.) accessions from south, southwest, west and center of iran was evaluated using morphological traits as well as aflp markers. results showed that khansar accession had the highest leaf width (5.42 cm), mean leaf number per plant (5.41), bulb diameter (10.84 cm), bulb height (4.95 cm) and mean bulb weig...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

the images of muslims in media, literature and politics have been mostly black and white portrayals of a people alien to modernity, civilization, rationality and pluralism. since the end of the cold war and the onset of deadly terrorist attacks in different areas of the world, especially in the united states, these representations show a palpable difference: muslims are represented not only as ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

armenias geopolitics and its historical experience have had a determining impact on the character of its foreign policy .present-day armenia is a small, landlocked country with _11,620 square miles area armenias landlocked nature makes it dependent on the benevolence of its neighbors for access to the outside world a fact that gives it a sense of isolation and vulnerability. as it was indic...

پایان نامه :0 1374

the rationale behind the present study is that particular learning strategies produce more effective results when applied together. the present study tried to investigate the efficiency of the semantic-context strategy alone with a technique called, keyword method. to clarify the point, the current study seeked to find answer to the following question: are the keyword and semantic-context metho...

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

the present study set out (a) to examine the categories of pedagogical knowledge related to the act of teaching of novice and experienced teachers as gleaned from their verbal report of what they were thinking about while teaching and (b) to compare the categories of pedagogical knowledge of novice and experienced teachers. the aim of comparing these two groups of teachers was to see whether di...

Journal: :به زراعی کشاورزی 0
علی خسروی دانشگاه آزاد اسلامی، واحد علوم و تحقیقات اردبیل، گروه کشاورزی، اردبیل، ایران رئوف سید شریفی دانشیار گروه زراعت و اصلاح نباتات، دانشکده علوم کشاورزی دانشگاه محقق اردبیلی علی اکبر ایمانی دانشگاه آزاد اسلامی، واحد علوم و تحقیقات اردبیل، گروه کشاورزی، اردبیل، ایران

in order to study of nitrogen application time and seed inoculation with plant growth promotingrhizobacteria on yield, fertilizer use efficiency and grain filling rate of sunflower, a factorial experimentwas conducted based on randomized complete block design with three replications in research farm ofislamic azad university, ardabil branch in 2011. the first factor was time of nitrogen applica...

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