نتایج جستجو برای: number of leaves

تعداد نتایج: 21180898  

Journal: :علوم گیاهان زراعی ایران 0
احمدعلی شوشی دزفولی اردلان مهرانی

to study yield and its relationships with yield components in 10 varieties of foxtail millet (kfm1 to kfm10), an experiment was carried out in safiabad agricultural research center in rcbd design with three replications for a period of three years (2003 to 2005). vegetative and reproductive characteristics of each cultivar were recordered during the growing seasons. three year results showed si...

غفاری نژاد, سید علی, مؤمنی, داود,

To investigate the effects of different methods of seed bed preparation on yield of greenhouse cucumber, a two-year long experiment was conducted as a randomized complete block design with four replications in Jiroft from 2004. Different methods of seed bed preparation were as follows: 1) ridge with 20 cm height and 50 cm width and 2 plant rows with 40 cm distance, 2) furrow with 20 cm depth an...

خالقی, علیرضا, دالوند, مریم, سلگی, موسی,

Plants are faced with various environmental stresses during their growing period. Each of these stresses have different effects on growth, metabolism and yield according to the sensitivity level and stage of the plant growth. One way of reducing the negative effects of the stresses is to use humic substances. The present study was carried out to evaluate the effects of humic acid and drought st...

Journal: :journal of nuts 0
ehsan akbarpour department of horticulture, hormozgan university, hormozgan, iran ali imani temperate fruit research center, horticultural research institute, agricultural research, education and extension organization (areeo), karaj, iran shahin ferdowskhah yeganeh training and education organization of golestan province, gorgan, iran

in this study, physiological and morphological responses of five almond cultivars to drought stress were investigated under in vitro conditions. plantlets from five commercial almond cultivars (supernova’, ‘tuono’, ‘sahand’, ‘ferragnes ’ and ‘shahroud 21’] were established in ms medium containing 0.5 mg per liter bap and then subcultured  in ms proliferation medium containing 1 mg per liter bap...

حسنی, لیلا, رحمانپور, ساسان, عبدالهی مندولکانی, بابک, عزیزی, حیدر, پیری, یاسر,

In the current investigation, 10 IRAP, 14 REMAP, 16 ISSR and 7 SSR primers and mixed linear model (MLM)-based association analysis were used to identify molecular markers associated with 13 morphological traits in cultivated alfalfa (Medicago sativa L.). Morphological traits studied, were height, chlorophyll content, total wet weight, total dry weight, wet leaf weight, dry leaf weight, wet stem...

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: :دانش گیاه پزشکی ایران 0
عباس شریفی تهران استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران محسن فرزانه استادیار پژوهشکده گیاهان و مواد اولیه دارویی دانشگاه شهید بهشتی، اوین، تهران فرزاد افشاری دانشیار پژوهش مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، کرج کیوان بهبودی استادیار پردیس کشاورزی و منابع طبیعی دانشگاه تهران استفن کلنبرجر استادیار پژوهش سازمان تحقیقات کشاورزی سوئیس ماریا پچی تار استاد بخش میکروبیولوژی دانشگاه لوزان، سوئیس کریستوف کیل

the interaction between root-colonizing pseudomonas fluorescens strain cha0mcherry and three wheat cultivars (bolani, roushan, forno) was studied as a phenomenon to be employed in the control of wheat leaf rust disease (puccinia triticina). cha0mcherry was inoculated using seed treatment method. the application of cha0mcherry reduced the number of pustules on leaves via inducing systemic resist...

Journal: :علوم باغبانی 0
شهرام امیرمرادی پرویز رضوانی مقدم

abstract in order to study the effect of density and time of nitrogen application on morphological, phenological characteristics, yield and yield components of black cumin (nigella sativa l) a field experiment was conducted at chenaran in khorasan razavi province in 2005 growing season. three nitrogen fertilizer (urea) application times (1- control 2- at 4-6 leaves stage 3-preblooming 4-complet...

Journal: :iranian journal of biotechnology 2007
pegah khosravi maryam jafarkhani kermani gorban ali nematzadeh mohammad reza bihamta

interactive effect of plant growth regulators6-benzylaminopurine (bap) (0, 2, 4 and 8 µm) and1-naphtalene acetic acid (naa) (0, 0.05, 0.25 and 0.5µm) in van der salm (vs) medium was used to optimize in vitro propagation of rosa hybrida cv. iceberg.shoot proliferation and number of new leaves weremeasured as growth indicators. as the concentrationof bap was raised, growth rate increased with all...

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