نتایج جستجو برای: genetic variation

تعداد نتایج: 857908  

Genetic study of pistachio, especially male genotypes due to the effects of pollen on nut quality and quantity and next generation characterizations, help to improve its management and breeding programs. We studied the genetic diversity among 20 male and 36 female pistachio genotypes using ISSR marker. In total 178 DNA frgments were proliferated using 12 primers that 169 fragments were polymorp...

Journal: :iranian journal of public health 0
maliheh najaf pour dept. of hematology, faculty of medicine, tabriz university of medical sciences, tabriz, iran. majid farshdousti hagh hematology & oncology research center, tabriz university of medical sciences, tabriz, iran. ali akbar movasagpoor akbari hematology & oncology research center, tabriz university of medical sciences, tabriz, iran. abbas ali hosein poor feyzi hematology & oncology research center, tabriz university of medical sciences, tabriz, iran. majid malaki hematology & oncology research center, tabriz university of medical sciences, tabriz, iran.

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Journal: :journal of sciences islamic republic of iran 0

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Journal: :international journal of fertility and sterility 0
mohammad mehdi heidari mehri khatami amirhossein danafar tahere dianat ghazaleh farahmand ali reza talebi

objective: several recent studies have shown that mitochondrial dna mutations lead to major disabilities and premature death in carriers. more than 150 mutations in human mitochondrial dna (mtdna) genes have been associated with a wide spectrum of disorders. varicocele, one of the causes of infertility in men wherein abnormal inflexion and distension of veins of the pampiniform plexus is observ...

Journal: :international journal of horticultural science and technology 0
mohammad hossein azimi assistant professor, national institute of ornamental plants (niop), horticulture sciences research institute, agricultural research, education and extension organization (areeo), mahallat, iran zahra tahernezhad seed and plant certification and registration institute, karaj, iran mohammad javad zamani seed and plant certification and registration institute, karaj, iran.

iris belongs toiridaceae family and it is monocotyledon. iris is one of the important ornamental and medicinal plants. 34 iris genotypes (14 species) collected from different provinces of iran were planted at national institute of ornamental plants (niop) iran. all of the species evaluated for 15 quantitative traits and 30 qualitative traits. results showed that the highest positive correlation...

Journal: :علوم گیاهان زراعی ایران 0
فاطمه بیدخوانی نژاد دانشجوی کارشناسی ارشد، دانشگاه ولی عصر(عج) رفسنجان علی اکبر محمدی میریک استادیار، دانشگاه ولی عصر(عج) رفسنجان حسین دشتی دانشیار، دانشگاه ولی عصر(عج) رفسنجان

in order to investigate genetic diversity of two flax species, 50 genotypes were evaluated. the results showed that there was significant difference between two subspecies and also among different regions in subspecies for some seed yield components and us subspecies was superior than md for number of capsules/plant but md subspecies had more 1000 seed weight. genetic variation in each region w...

Journal: :جنگل و فرآورده های چوب 0
علی اشرف مهرابی عضو هیأت علمی دانشکده کشاورزی و منابع طبیعی دانشگاه ایلام پیمان غلامی دانشگاه آزاد اسلامی واحد کرمانشاه علیرضا اطمینان استادیار اصلاح نباتات، دانشگاه آزاد اسلامی واحد کرمانشاه، دانشکده دانشکده تحصیلات تکمیلی سمیرا محمدی دانشکده کشاورزی و منابع طبیعی دانشگاه ایلام

pistacia atlantica subsp. mutica is one of the most valuable forest tree species in iran that has been severely exploited for a long time. therefore, understanding the genetic diversity of different populations can be an important step towards the development and restoration of the habitat of this invaluable tree species. in this study, in order to study the genetic diversity, 10 populations in...

Journal: :journal of arthropod-borne diseases 0
maría guadalupe montes-cortés parasitology and parasitological diseases, veterinary faculty, universidad de extremadura, cáceres, spain josé luis fernández-garcía genetics and animal breeding, veterinary faculty, universidad de extremadura, cáceres, spain miguel ángel habela martínez-estéllez parasitology and parasitological diseases, veterinary faculty, universidad de extremadura, cáceres, spain

background: equine piroplasmosis is caused by two haemoprotozoan parasites: babesia caballi and theileria equi . negative economic impact on international trade has been associated to endemic sites. this is the reason why carrier detection requires reliable diagnostic methods. various diagnostic modalities can be used alone or in combination including pcr. however, genetic variation of commonly...

Journal: :پژوهش های زراعی ایران 0
وحید توکلی محمد مهدی مجیدی آقافخر میرلوحی محمدرضا سبزعلیان

this experiment was conducted to evaluate the drought tolerance of cultivated (carthamus tinctorius l.) and wild safflower (c. oxyacanthus bieb) populations at research farm of college of agriculture, isfahan university of technology located at lavark-najafabad in 2008. a randomized complete block design with 3 replications was used in each of irrigation levels after 80, 130 and 180 mm evaporat...

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