نتایج جستجو برای: ae cylindrica and ae tauschii were investigated to identify low
تعداد نتایج: 18403596 فیلتر نتایج به سال:
plant breeders use rye (secale cereale l.) as a foreign genetical resource tool in increasing wheat genetical variations. 1r chromosome and especially its short arm, 1rs has been introduced into wheat genome frequently. 1rs studies and effective selection is used in cytogenetical, chemicals techniques and dna markers. present study was conducted to investigate the presence of rye chromosome seg...
Aegilops tauschii Coss. is the D-genome donor to hexaploid bread wheat (Triticum aestivum) and is the most promising wild species as a genetic resource for wheat breeding. To study the population structure and diversity of 81 Ae. tauschii accessions collected from various regions of its geographical distribution, the genomic representation of these lines were used to develop a diversity array t...
the purpose of the present study was to investigate the relationship between fear of negative evaluation (fne) and communication strategies (css) among iranian efl learners. it was aimed to examine the differences in the use of communication strategies between speakers with high or low degree of fear of negative evaluation. the current study was a case study consisting of 10 english learners at...
Wild diploid wheat Aegilops tauschii, the D-genome progenitor of common wheat, carries large genetic variation in spikelet and grain morphology. Two differentiated subspecies of Ae. tauschii, subspecies tauschii and strangulata, have been traditionally defined based on differences in spikelet morphology. Here, we first assessed six spikelet shape-related traits among 199 Ae. tauschii accessions...
در این تحقیق از شمارش کروموزومی و روش فلوسیتومتری برای تخمین سطح پلوئیدی نمونه های مختلفAegilops cylindrica Host (2n = 4x = 28, CCDD) موجود در بانک ژن گیاهی ملی ایران استفاده شد. تعداد 100 نمونه Ae. cylindrica در آنالیز فلوسیتومتری با استفاده از Ae. tauschiiبه عنوان نمونه کنترل مورد استفاده قرار گرفتند. تمام نمونه های مورد بررسی دارای سطح پلوئیدی 4x بودند. نتایج حاصل از فلوسیتومتری و شمارش کرو...
today, information technology and computers are indispensable tools of any profession and translation technologies have become an indispensable part of translator’s workstation. with the increasing demands for high productivity and speed as well as consistency and with the rise of new demands for translation and localization, it is necessary for translators to be familiar with market demands an...
مطالعه اثر تنوع ژنتیکی در پاسخ مورفو- فیزیولوژیکی و آنتی‌اکسیدانی گونه‌های مختلف آژیلوپس به تنش خشکی
این آزمایش بهمنظور بررسی اثر تنش خشکی بر محتوای رنگیزههای فتوسنتزی، وزن ریشه و اندامهوایی، محتوای پروتئین کل و فعالیت آنزیمهای آنتیاکسیدان آنزیمی و غیرآنزیمی در شش گونه مختلف از جنس Aegilops بههمراه دو رقم گندم نان مقاوم و حساس به تنش خشکی بهعنوان شاهد، در قالب فاکتوریل بر پایه طرح بلوکهای کامل تصادفی با سه تکرار اجرا شد. تیمارهای تنش خشکی در سه سطح عدم تنش (FC=100%)، تنش متوسط (FC=50%)...
fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...
this study investigated the effects of manipulating the cognitive complexity of tasks along +/- few elements and the time limits on l2 learners writing performance. to conduct the study, 60 iranian efl learners with two levels of proficiency, low and high intermediate, were selected and assigned to three groups based on the time devoted to task completion. the participants performed both a simp...
The objectives of this study were to clarify the relationship between LMW-GS Glu-D3 gene of Ae. tauschii registered in GenBank and the six Glu-D3 genes including 12 allelic variants of common wheat characterized in our previous studies, and identify novel Glu-D3 genes and haplotypes from Ae. tauschii using gene specific PCR amplification. By searching the NCBI database, 13 LMW-GS genes/pseudoge...
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