نتایج جستجو برای: karaj the main plots were sugar beet plant densities d180000

تعداد نتایج: 16151341  

Journal: :چغندرقند 0
سید صفدر حسینی دانشیار گروه اقتصاد کشاورزی دانشگاه تهران

for considering and evaluating the economic impacts of sugar beet research on the shift of sugar supply, we need to estimate the parameter of supply shift. having developed an appropriate methodology and using the results of breeding research collected from the main stations of sugar beet research acrossiranfor the period of 1982-2003, the supply shift parameter for sugar was estimated.  this p...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده ادبیات و زبانهای خارجی 1393

the purpose of this study was to find the relationship between critical thinking and self-regulation with reading comprehension of iranian female elementary language learners. the present study is a correlational one having a descriptive design. two questionnaires, critical thinking questionnaire and self-regulation questionnaire which were valid and reliable questionnaires and four reading com...

2014
Kimberly M. Webb Carolyn J. Broccardo Jessica E. Prenni William M. Wintermantel

Rhizomania, caused by Beet necrotic yellow vein virus (BNYVV), severely impacts sugar beet (Beta vulgaris) production throughout the world, and is widely prevalent in most production regions. Initial efforts to characterize proteome changes focused primarily on identifying putative host factors that elicit resistant interactions with BNYVV, but as resistance breaking strains become more prevale...

2008
S'ebastien Lemaire Fabienne Maupas Paul-Henry Cournede Philippe De Reffye

This paper is the instructions for the proceeding of the International Symposium on Crop. Sugar beet crop models have rarely taken into account the morphogenetic process generating plant architecture despite the fact that plant architectural plasticity plays a key role during growth, especially under stress conditions. The objective of this paper is to develop this approach by applying the Gree...

2009
Sébastien Lemaire Fabienne Maupas Paul-Henry Cournède Philippe de Reffye

This paper is the instructions for the proceeding of the International Symposium on Crop. Sugar beet crop models have rarely taken into account the morphogenetic process generating plant architecture despite the fact that plant architectural plasticity plays a key role during growth, especially under stress conditions. The objective of this paper is to develop this approach by applying the Gree...

Journal: :iran agricultural research 2011
g. moayedi r. mostowfizadeh-ghalamfarsa

trichoderma species are among important antagonists of plant pathogenic fungi. the main purpose of this study was to evaluate the biocontrol potential of native trichoderma spp. isolates from sugar beet fields against phytophthora drechsleri and p. cryptogea, the causal agents of phytophthora root rot of sugar beet. during 2007–08, 85 isolates of trichoderma spp. from sugar beet fields in eight...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 2003
M S Heard C Hawes G T Champion S J Clark L G Firbank A J Haughton A M Parish J N Perry P Rothery R J Scott M P Skellern G R Squire M O Hill

We compared the seedbanks, seed rains, plant densities and biomasses of weeds under two contrasting systems of management in beet, maize and spring oilseed rape. Weed seedbank and plant density were measured at the same locations in two subsequent seasons. About 60 fields were sown with each crop. Each field was split, one half being sown with a conventional variety managed according to the far...

Journal: :The Plant journal : for cell and molecular biology 2012
Juliane C Dohm Cornelia Lange Daniela Holtgräwe Thomas Rosleff Sörensen Dietrich Borchardt Britta Schulz Hans Lehrach Bernd Weisshaar Heinz Himmelbauer

Sugar beet (Beta vulgaris) is an important crop plant that accounts for 30% of the world's sugar production annually. The genus Beta is a distant relative of currently sequenced taxa within the core eudicotyledons; the genomic characterization of sugar beet is essential to make its genome accessible to molecular dissection. Here, we present comprehensive genomic information in genetic and physi...

Journal: :چغندرقند 0
محمد جواد صفاریان طوسی کارشناس ارشد زراعت، دانشگاه مازندران

effects of the last irrigation time on quantitative and qualitative traits were studied for two sugar beet cultivars with intermediate and long growth periods. this research was conducted in the field of agricultural and natural resources research center of khorasan at mashhadin 1381. six treatments of withholding irrigation were applied on the cultivars using a spilit plot design within a rand...

2016
Mercedes Wrischer Nikola Juretic

Introduction Species of the genus Beta are recognized as sources of various viruses. A con­ siderable number o f viruses have been isolated from the species Beta vulgaris var. saccharifera (sugar beet) (Sutic et al. 1999). One of the viruses occurring in this plant all over the world is beet mosaic potyvirus (BtMV). This virus belongs to Potyviridae, a taxonomic family of easily aphid-transmitt...

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