نتایج جستجو برای: for breeding purposes

تعداد نتایج: 10373288  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

2004
Jonathan D. Ballou

Laboratory populations and colonies of animals are established and maintained for a variety of purposes with biomedical, reproductive, behavioral, and genetical research being among the most common uses. Animal populations are also established and maintained for conservation purposes, as is the case with endangered species captive breeding programs in zoological parks and similar institutions. ...

Journal: :کشاورزی (منتشر نمی شود) 0
مجتبی رنجبر دانشجوی دکترای زراعت و اصلاح نباتات، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، تهران محمدرضا نقوی دانشیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، تهران عباس علی زالی استاد، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، تهران محمد جعفرآقایی استادیار، بخش ژنتیک، مؤسسه تحقیقات اصلاح و تهیه نهال و بذر، تهران محسن مردی استادیار، بخش ژنومیکس، پژوهشکده بیوتکنولوژی کشاورزی، تهران

the association between 140 microsatellite bands of 20 primer pairs and 13 quantitative traits recorded on 70 aegilops crassa from iran was evaluated. pearson’s coefficients showed significant correlations between some morphological traits. polymorphic information contents (pic) of loci were in the range of 0/16 (xgwm190) to 0/44 (xgwm161). the result of multiple regression analysis showed sign...

Erdenov Murad Kourosh Vahdati, Yaşar Akça, Yusupov Bahadır Yuldaşulu

Kazakhstan has very rich walnut genetic resources; however there is no ongoing walnut breeding program. Kazakhstan government has several projects in cooperation with Russia, USA, Bulgaria, Czech Republic and Poland for plant breeding purposes. In the present research walnut genetic resources originated from Jabağıl, Tulkıbas, Sayram, Lenger, and Botanical Garden of International Hodja Ahmet Ye...

Journal: :Environmental Health Perspectives 2002
Rob T van Strien Laurens P Koopman Marjan Kerkhof Jack Spithoven Johan C de Jongste Jorrit Gerritsen Herman J Neijens Rob C Aalberse Henriette A Smit Bert Brunekreef

The Prevention and Incidence of Asthma and Mite Allergy (PIAMA) study is a birth cohort study that investigates the influence of allergen exposure on the development of allergy and asthma in the first several years of life. The objectives of this study were to investigate the relationship between a family history of allergy and/or asthma and exposure of newborn children to mite and pet allergen...

Journal: :به نژادی گیاهان زراعی و باغی 0
مهدی بیگدلو دانشجوی دکتری گروه علوم باغبانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران وحیده ناظری دانشیار گروه علوم باغبانی، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران، کرج، ایران جواد هادیان استادیار گروه مهندسی کشاورزی، پژوهشکدة گیاهان و مواد اولیة دارویی، دانشگاه شهید بهشتی، تهران، ایران

evaluation of morphological variations in 70 genotypes of seven accessions of thymus caramanicus jalas.growing in central iran was carried out, for determining valuable characters for future breeding programs and medicinal purposes. in this study 30 quantitative and qualitative characters were evaluated. the results revealed great variabilities of important traits among populations. results of ...

Journal: : 2021

The review gives an insight into amaranth, a very promising crop for the whole world. This has long history dating back to days of Aztecs and Incas, whom it was one most important crops, along with corn. However, unlike latter, amaranth lost its nutritional value after being introduced Europe. Only in 20th century, largely thanks Nikolai Vavilov, attracted great interest as food feed crop. Amar...

Journal: : 2022

Background . A study of the soybean gene pool adapted to conditions Primorsky Territory in search useful agronomic traits is essential for further use breeding programs. Materials and methods Soybean accessions from germplasm collection were tested 2019–2021 at Federal Scientific Center Agricultural Biotechnology Far East named after A.K. Chaika. The included 213 various origin. Cv. ‘Primorskay...

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