نتایج جستجو برای: speed of germination

تعداد نتایج: 21178105  

Journal: :به نژادی گیاهان زراعی و باغی 0
عصمت خاکسارنژاد دانشجوی کارشناسی ارشد اصلاح نباتات، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بیرجند، بیرجند، ایران محمد ضابط استادیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بیرجند، بیرجند، ایران علی ایزانلو استادیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بیرجند، بیرجند، ایران محمد حسن سیاری استادیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه بیرجند، بیرجند، ایران

in order to the study of the salinity effects on seed germination and effecting parameter of fennel (foeniculum vulgare) was conducted a factorial experiment in a completely randomized design with two factors and three replications. factor a was 10 ecotypes, including; sardasht, saghghez, kerman, tabriz,sabzevar, rome, khusf, bojnoord, mashhad and shabestar and factor b was five concentrations ...

2010
J. B. GILLESPIE MICHAEL B. THOMAS

Several pre-germination treatments were given to Cyclamen persicum Mill. seed with the objective of improving germination percentage, speed, and uniformity. Soaking seed in water and in gibberellic acid improved germination speed, but the latter reduced survival. Etridiozole, benomyl, thiram, and sodium hypochlorite treatments did not reduce or delay germination as has been reported elsewhere, ...

Journal: :بوم شناسی کشاورزی 0
متین حقیقی خواه محمد خواجه حسینی محمد بنایان

response of seed germination of a crop to different environmental conditions is one of the most important determination factors to indicate its ability in competition with weeds. in order to evaluate the effects of water depth and temperature on the germination of different varieties of rice and barnyard grass, an experiment was conducted in the seed laboratory, faculty of agriculture, ferdowsi...

To study the effect of production region and seed size on germination indices and heterotrophic growth components of peanut seedling, a study was performed in three peanut fields in Astaneh Ashrafieh and Agronomy Laboratory of Rasht Islamic Azad University from 2010 to 2012. This research was carried out using the standard germination, cold and accelerated aging tests. Tests were performed usin...

Journal: :international journal of advanced biological and biomedical research 2013
hamed askari nejad

the purpose of this study was to examine the evaluating the potential of seed priming techniques in improving germination and early seedling growth of aeluropus macrostachys under salinity stress condition. this study was performed at the islamic azad university in baft city which is located in southeast of kerman province (2250 meters above the sea level, 92º 17 n latitude and 56º 36 e longitu...

DOR: 98.1000/2383-1251.1398.6.115.11.1.1575.1610 Extended Abstract Introduction: In recent years, Japanese morning glory has been recognized as a new weed in some soybean cultivation areas in the Province of Golestan. Japanese morning glory, an annual herbaceous plant, belongs to Convolvulaceae family. Germination is the first step in the competitiveness of a weed in an ecological niche. ...

Journal: :research journal of pharmacognosy 0
z. hasani sadrabadi department of plant biology, faculty of biological science, kharazmi university, tehran, iran. a. majd department of plant biology, faculty of biological science, kharazmi university, tehran, iran. m. hamzeloo-moghadam department of traditional pharmacy, school of traditional medicine, shahid beheshti university of medical sciences, tehran, iran. traditional medicine and materia medica research center, shahid beheshti university of medical sciences, tehran, iran. s. irian department of plant biology, faculty of biological science, kharazmi university, tehran, iran.

background and objectives: electric, magnetic and electromagnetic fields can act as stress factors with different effects on biological systems. due to the nutritional and medicinal values, and the increasing electromagnetic radiations, the present study was performed to investigate the effects of the electromagnetic field on the developmental stages and cytotoxic properties of okra. methods: b...

احتشامی, محمدرضا, رومانی, اعظم,

In order to study the effect of different levels of salinity stress on germination indices and early growth of Trigonella foenum-greacum L., an experiment was conducted in agronomy laboratory of Faculty of Agricultural at the University of Guilan in 2012. The experiment was arranged base on completely randomized design with four replications. The used treatments were different levels of sa...

Journal: :محیط زیست طبیعی 0
مرتضی صابری عضو هیئت علمی دانشگاه زابل علی طویلی دانشیار دانشکدۀ منابع طبیعی، دانشگاه تهران مرتضی میری دانشجوی کارشناسی ارشد محیط زیست، دانشگاه علوم کشاورزی و منابع طبیعی گرگان

the aim of this study was to investigate the allelopathic effects of eucalyptus camaldulensis on germination and early seedling growth of festuca arundinacea under laboratory condition in order to determine the effect of pretreatments on decreasing the destructive effects of allelopathic compounds. the chemical stimulators used in this study included 3 levels of gibberellic acid, 3 levels of sa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تحصیلات تکمیلی صنعتی کرمان - پژوهشکده برق و کامپیوتر 1390

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

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