نتایج جستجو برای: medicago sativa

تعداد نتایج: 23011  

Journal: :Frontiers in plant science 2016
Cheng Qin Linming Cheng Jingqin Shen Yunhong Zhang Huimin Cao Dan Lu Chenjia Shen

The 14-3-3 gene family, which is conserved in eukaryotes, is involved in protein-protein interactions and mediates signal transduction. However, detailed investigations of the 14-3-3 gene family in Medicago truncatula are largely unknown. In this study, the identification and study of M. truncatula 14-3-3-family genes were performed based on the latest M. truncatula genome. In the M. truncatula...

2010
M. G. RANA

Free radicals are implicated for many diseases including diabetes mellitus, arthritis, cancer, ageing. etc. In the treatment of these diseases, antioxidant therapy has gained utmost importance. Alcoholic extract of Medicago sativa was studied for its in vitro antioxidant activity using different models viz. DPPH radical scavenging, ABTS radical scavenging, iron chelating activity, lipid peroxid...

2014
Wenna Fan Pengfei Shi Chengzhang Wang

MicroRNAs (miRNAs) play a critical role in post-transcriptional gene regulation that down-regulates target genes by mRNA degradation or translational repression. Evidence is increasing for their crucial roles during plant development. Identification of miRNAs at the global genome-level by high-throughput sequencing is essential to functionally characterize miRNAs in plants. Alfalfa (Medicago sa...

Journal: :journal of crop protection 2015
tahere sarafi hossein barahoei seyed massoud madjdzadeh majid askari

a survey was performed to investigate the fauna of ichneumonidae in fars province during 2012 to 2013. totally, 14 species belonging to 13 genera and six subfamilies were collected and identified including: exetastes adpressorius (thunberg, 1822) (banchinae); diadegma semiclausum (hellén, 1949) (campopleginae); cryptus inculcator (linnaeus, 1758); dichrogaster saharator (aubert, 1964) (cryptina...

ژورنال: :علوم گیاهان زراعی ایران 2009
کمال سادات اسیلان سید علی محمد مدرس ثانوی مجید آقاعلیخانی حسین حیدری شریف آباد سیدرضا میرحسینی ده آبادی

به منظور بررسی عکس العمل بذرهای ده اکوتیپ مختلف یونجه ی چند ساله (medicago sativa l.) به تنش کم آبی در مرحله ی جوانه زنی، آزمایشی در شرایط محیطی کنترل شده انجام گرفت. آزمایش به صورت فاکتوریل در قالب طرح کاملاً تصادفی با سه تکرار انجام شد. در این تحقیق اثر سطوح تنش کم آبی با پتانسیل های اسمزی (0، 4- ، 6- ، 8- ، 10- و 12- بار) ناشی از ماده ی پلی اتیلن گلیکول 6000 (peg 6000) بر شاخص های جوانه زنی ب...

سید علی حسینی, علی احسانی

یکی از فاکتورهای تاثیرگذار در تعیین زمان مناسب ورود و خروج دام از مرتع مطالعه فنولوژی گیاهان می‌باشد. علاوه بر آن با مطالعه فنولوژی ‌زمان مناسب جمع آوری بذر، ارزش غذایی گیاهان و مدیریت مرتع  مشخص خواهد شد. در این تحقیق مراحل مختلف فنولوژی 10 گونه از مهمترین گیاهان مرتعی در منطقه سرعلی‌آباد گرگان به مدت 4 سال(2007-2010) به‌ منظور شناخت‌ تاریخها و مدت‌ زمان‌ بروز پدیده‌های‌ مهم‌ فنولوژیکی‌ انجام‌...

2005
Scott Fields

Aluminum (Al) toxicity in acid soils is a major limitation to the production of alfalfa (Medicago sativa subsp. sativa L.) in the USA. Developing Al-tolerant alfalfa cultivars is one approach to overcome this constraint. Accessions of wild diploid alfalfa (M. sativa subsp. coerulea) have been found to be a source of useful genes for Al tolerance. Previously, two genomic regions associated with ...

Journal: :Plant physiology 1991
J H Waterborg

Histone H3 proteins were purified to near homogeneity from etiolated seedlings of wheat (Triticum aestivum), barley (Hordeum vulgare), rice (Oryza sativa), maize (Zea mays), and alfalfa (Medicago sativa) to determine the number of histone H3 variants. Five distinct histone H3 variants were identified by gradient gel electrophoresis and reversed phase chromatography. These variants occur in vari...

Journal: :journal of rangeland science 0
marzieh nasiri ahangar behbahan khatam alanbia university of technology somaieh dehdari assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology zohreh khorsandi kouhanestani assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology fariba noedoost assistant professor, department of range and watershed management, faculty of natural resources, behbahan khatam alanbia university of technology

allelopathy is one of the main factors limiting the plants growth. the present study investigated the effect of aqueous extract of leaves and fruit of artemisia sieberi that is an important species for rangeland rehabilitation on seed germination and seedling growth of three alfalfa species (medicago sativa cv. nikshahri, medicago polymorpha and medicago scutellata cv. robinson) in laboratory a...

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