نتایج جستجو برای: number of spikes per m2

تعداد نتایج: 21191102  

دارائی مفرد, علیرضا , عزیزی, خسرو , میرزاوند, کوروش ,

An experiment was conducted to study the effects of plant density and cultivars on seed yield and yield components of corn (Zea mays L.) under the climatic conditions of Khorramabad at the Agriculture Research Station of Sarab Changaei. This experiment was a factorial on the basis of a randomized complete block design (RCBD) with four plant densities (6.5, 7.5, 8.5 and 9.5 plant/m2), three cor...

Journal: :تولید گیاهان زراعی 0
محمد حسین قربانی مربی گروه زراعت، دانشگاه علوم کشاورزی و منابع طبیعی گرگان محبوبه بصیری دانشجوی دکتری زراعت دانشگاه زابل

this experiment was carried out to investigate the effect of plant density on growth and seed yield of wheat (kodasht cultivar) under saline soils and rainfed condition inanbarolum region of golestan province in 2008-09. an experiment was conducted in three fields with different salinities (6.73, 9.34 and 11.63 ds m-1) based on randomized complete blocks design. treatments were four plant densi...

خاندانی, شکوفه , محمدی نژاد, قاسم , ناخدا, بابک ,

In order to assess the relationship of grain yield and some of the agronomic traits recombinant inbred lines (RIL) population of bread wheat derived from the Roshan × Sabalan were used to detect the informative traits on grain yield as the suitable criteria for indirect selection and path coefficient analysis. Two hundred and sixty seven recombinant inbred lines with three control cultivars (Ro...

جامی‌الاحمدی, مجید, ریاسی, احمد, زمانی , غلامرضا , نیرومند توماج, اسماعیل ,

Grass pea (Lathyrus sativus L.) is a crop which could substitute soybean in poultry ration in arid and semi-arid regions. To investigate the effects of sowing date and plant density on yield and yield components of grass pea, a factorial experiment based on randomized complete blocks design with four replications was conducted at Research Farm of Faculty of Agriculture, University of Birjand in...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید مدنی آذربایجان - دانشکده علوم پایه 1392

let g=(v,e) be a graph with vertex set v and edge set e.for two vertices u,v of g ,the closed interval i[u,v] ,consists of u,v and all vertices lying in some u-v geodesic in g.if s is a set of vertices of g then i[s]is the union of all sets i[u,v]for u,v ? s. if i[s]=v(g) , then s is a geodetic set for g.the geodetic number g(g) is the minimum cardinality of geodetic set.the maximum cardinalit...

Journal: :آب و خاک 0
علیرضا کوچکی ویدا مختاری شهربانو طاهرآبادی سلما کلانتری

abstract in order to investigate the response of two species of p. ovata and p. psyllium to water deficit. the experiment was conducted during 2009 growing seasons in the agriculture research station ferdowsi of mashhad. for this purpose a split plot experiment based on complete randomized block design with three replications was used. four irrigation levels (4000, 3000, 2000, 1000 m3/ha) alloc...

Journal: :journal of agricultural science and technology 0
m. brdar-jokanović institute of field and vegetable crops, maksima gorkog 30, 21000 novi sad, serbia. m. zorić institute of field and vegetable crops, maksima gorkog 30, 21000 novi sad, serbia. a. kondić-špika institute of field and vegetable crops, maksima gorkog 30, 21000 novi sad, serbia. i. maksimović faculty of agriculture, university of novi sad, trg dositeja obradovića 8, 21000 novi sad, serbia. b. kobiljski biogranum, research and development center, toplice milana 20, 21000 novi sad, serbia. m. kraljević-balalić faculty of agriculture, university of novi sad, trg dositeja obradovića 8, 21000 novi sad, serbia.

this study was aimed to assess the effects of excess boron on 59 genetically divergent wheat accessions and to identify those with high and stable yields under a range of soil boron concentrations. the second aim was to test the applicability of a laboratory technique performed at juvenile stages of development in estimating field boron tolerance. the study comprised a control and three boron t...

Journal: :پژوهش های زراعی ایران 0
سید غلامرضا موسوی ام لیلا محمدی رضا برادران محمد جواد ثقه الاسلامی ابراهیم امیری

in order to study the effect of n fertilizer rates on morphological traits, yield and yield components of rice cultivars, a study was carried out in rice research institute of rasht, iran during 2009. it was a two-variable factorial experiment based on a randomized complete block design with three replications. the first factor was nitrogen fertilization at four rates of 0, 30, 60 and 90 kg n h...

Journal: :تولید گیاهان زراعی 0
طیبه جعفریان دانشگاه ایلام علی اکبر مقصودی مود دانشگاه شهید باهنر کرمان

leaf rolling, especially in cereals, mechanisms for reducing the light receiving surface of the leaves to reduce transpiration rate in response to drought caused. to investigate the effect of drought stress on leaf rolling and leaf anatomical characteristics, yield and yield components in field experiment was conducted bahonar university . in this experiment, five varieties of wheat (shole, omi...

Journal: :علوم گیاهان زراعی ایران 0
یوسف ارشد استادیار بانک ژن گیاهی ملی ایران مهدی زهراوی استادیار بانک ژن گیاهی ملی ایران

in order to study genetic variation and relationship between traits, 615 accessions of local bread wheat from wheat collection of national plant gene bank of iran were evaluated. seeds of the accessions were planted in 2.5 meter long rows in an observatory design and 17 agro-morphological traits were measured. grain yield of 5 spikes, number of tillers and number of seeds per spike were of high...

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