نتایج جستجو برای: total percentage of germination

تعداد نتایج: 21199448  

Journal: :حفاظت گیاهان 0
علیرضا مرادی علی قنبری محمد حسن راشد محصل ابراهیم ایزدی دربندی

in order to investigate the germination characteristics and cardinal temperatures of biotype alhaji pseudalhagi, a laboratory experiment was conducted randomized completely design with four replications of 25 seeds. various constant temperatures 5, 8, 10, 15, 20, 25, 30, 35, 40, 45 and 50ºc were considered. the characteristics such as percentage of seed germination, rate of seed germination, th...

Journal: :به زراعی کشاورزی 0
شیرین دیانتی مربی، گروه باغبانی پردیس ابوریحان، دانشگاه تهران، پاکدشت ـ ایران محسن کافی استاد، گروه مهندسی و علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج ـ ایران مسعود میرمعصومی مربی، گروه زیست شناسی، پردیس علوم، دانشگاه تهران، تهران ـ ایران ولی الله مظفریان دانشیار، باغ گیاه شناسی ملی، مؤسسة تحقیقات جنگل ها و مراتع کشور، کرج ـ ایران علی رضا سلامی استادیار، گروه مهندسی و علوم باغبانی و فضای سبز، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج ـ ایران

five different media with two concentrations and kinds of carbohydrates and peptone treatments were examined for their effectiveness in promoting asymbiotic seed germination of epipactis  veratrifolia. results revealed significant differences between media on seed germination percentage and protocorm growth and fast medium has the best effect on both. carbohydrate treatments had significant eff...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده مدیریت 1391

one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...

There is substantial diversity in Achillea biebersteinii plants in Iran. It has considerable different biological activities including antibacterial, antifungal, antioxidant, insecticidal, herbicidal and wound healing. Research improvement for medicinal plants depends on the available genetic diversity. The assessment of genetic variability could increase the information for breeding programs. ...

Journal: :journal of medicinal plants and by-products 0

there is substantial diversity in achillea biebersteinii plants in iran. it has considerable different biological activities including antibacterial, antifungal, antioxidant, insecticidal, herbicidal and wound healing. research improvement for medicinal plants depends on the available genetic diversity. the assessment of genetic variability could increase the information for breeding programs. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1386

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...

خاک‌سفیدی, عباس, گنجعلی, علیرضا , آجورلو, مجید ,

Due to the limited Alyssum habitats (Alyssum homalocarpum) in rangeland ecosystems, it is necessary to study various aspects of plant growth under different environmental conditions such as abiotic stresses. The aim of this study was to evaluate the effect of salinity and drought on Alyssum seed germination characteristics in laboratory conditions. The experiment was conducted based on complete...

2010
Abdul Majeed Asif Ur Rehman Khan Habib Ahmad Zahir Muhammad

In order to study the effects of gamma rays on mean germination time (MGT), germination percentage, survival percentage, shoot and root length and, number of branches and leaves per plant, and fresh and dry weight of Lepidium sativum L current experiment was conducted. Dry seeds of Lepidum sativum L were irradiated with 20, 30, 40, 50, 60, 70 and 80 krad (Kr) by a Co-gamma chamber at Nuclear In...

Plants deal with various stresses like salt stress in their life. Henbane is one of the important plants of potato family with numerous pharmaceutical effects. To assess the effects of salinity on growth responses of Henbane plant, experiment performed in growth chamber as pot culture based on a randomized complete design (CRD) with three replications. Seed germination percentage has been studi...

Journal: :چغندرقند 0
علی جلیلیان استادیار مرکز تحقیقات کشاورزی و منابع طبیعی کرمانشاه

in order to further understand the emergence and germination of sugar beet monogerm cultivars under moisture stress, the current study was carried out at three stages. at the first stage, the quality of germination of three monogerm cultivars (rizofort, rasoul and zarghan) were studied under five moisture stress levels (0, -2, -4, -6 and -8 bars) in germinator at 15°c by between-paper method. a...

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