نتایج جستجو برای: as indices for genetic diversity

تعداد نتایج: 11975726  

Journal: :journal of rangeland science 2013
habib yazdanshenas mohammad jafari hossein azarnivand hossein arzani malihe nasiri

understanding the plant species diversity could be used as an importantindicator applied for the natural areas management. the aim of this study was toinvestigate the relationships between soil characterizes with distribution and diversity ofplant in vegetation types in karvan district (located in west of isfahan province). for thispurpose, three vegetation types were selected as follows: scari...

The coasts of Imam Khomeini port are one of the most important hot spots of mangrove plantations across Iranian coast of Persian Gulf and Sea of Oman, so this is very important to conserve this valuable ecosystem. For this purpose, 75 individual from 3 populations, keeping the minimum distance of 30 to 50 meters from each other, has been collected and investigated using 15 ISSR markers. This st...

ژورنال: علوم آب و خاک 2007
حسن پاک نیت, , مسعود گلستانی, ,

To investigate genetic variation, and identification of tolerant genotypes according to quantitative indices of drought tolerance, 8 sesame genotypes were tested in a randomized complete block design with three replications under optimum and limited irrigation at the Research Station of College of Agriculture, Shiraz University. Based on the potential yield and yield under stress, quantitative ...

Journal: :پژوهش های حبوبات ایران 0
فرهاد نظریان فیروزآبادی مهین رحیمی احمد اسماعیلی

introduction despite the fact that iran is one of the major chickpea (cicer arietinum l.) center of origins, limited information is available regarding chickpea genetic variation and diversity. genetic diversity information is crucial for the choice of proper parents to establish new breeding programs. chickpea germplasm is poor, suggesting the need for gaining enough knowledge of genetic diver...

Journal: :بوم شناسی کشاورزی 0
آرش قلعه گلاب بهبهانی کورس خوشبخت لیلی تبریزی آگرین داوری هادی ویسی

biodiversity consists of wide range diversity such as genetic diversity, species diversity and ecosystem diversity. nowadays, agrobiodiversity conservation is one the most important aspects of sustainable agriculture. in this research, agrobiodiversity in farmlands, gardens and home garden systems was assessed and compared. in addition the role of home gardens as an effective strategy in in-sit...

Esmaeilzadeh Moghaddam, Mohsen, Pahlevani, Mohammadhadi, Salami, Arash, Zenalinezhad, Khalil,

Collection and conservation of germplasm, particularly for landraces of important agronomically species and organizing their information, cause to continuity of their usefulness and reduce the risk of their genetic erosion. In this experiment, 10 Iranian wheat landraces along with the Chinese Spring cultivar, as control, were used to assess inter and intra populations variation by using ISSR mo...

Journal: :علوم گیاهان زراعی ایران 0
محمدحسین حسنی دانشجوی کارشناسی ارشد دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران سپیده ترابی استادیار دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران منصور امیدی استاد پردیس کشاورزی و منابع طبیعی دانشگاه تهران علیرضا اطمینان دانشجوی دکتری دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران ترانه دستمالچی دانشجوی کارشناسی ارشد دانشگاه آزاد اسلامی واحد علوم و تحقیقات تهران

in this study, genetic diversity of 30 accessions of the fennel from different cities of iran and other asian and european countries were assessed by using 20 selective aflp primers. totally, from 1127 observed bands, 250 bands were polymorph. e11-m20 primer with 20 bands, also e46-m35 and etg-m20 primers with 8 bands indicated the maximum and minimum numbers of polymorphism, respectively. acco...

2012
Andrea Akemi Hoshino Juliana Pereira Bravo Paula Macedo Nobile Karina Alessandra Morelli

Powerful tools for the analysis of genetic biodiversity are molecular markers, which are based on DNA sequence polymorphisms. Indeed, DNA sequences determine the diversity of organisms, and therefore, the techniques used to evaluate DNA polymorphisms directly measure the genetic diversity. Because molecular markers show Mendelian inheritance, it is possible to trace the fingerprint of each orga...

Journal: :علوم گیاهان زراعی ایران 0
علی اشرف مهرابی دانشیار، گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه ایلام سمیرا محمدی کارشناس ارشد گروه زراعت و اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه ایلام صغری ولیان کارشناس ارشد بیوتکنولوژی، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات (تهران) محمود خسروشاهلی استاد بیوتکنولوژی، دانشکدۀ کشاورزی و منابع طبیعی، دانشگاه آزاد اسلامی واحد علوم و تحقیقات (تهران)

in order to study the genetic diversity among 35 accessions of ae. triuncialis l. from17 ssr loci of 56 primer pairs originated from a and d genomes of bread wheat were used. seventy one fragments amplified totally and 68 of them were polymorph between genotypes. allele number ranged from 1 to 8 with average 4.18 per locus. pic value of markers was from 0.593 (xgwm-30-2d, xgwm-383-3d, xgwm-654-...

Journal: :تولید گیاهان زراعی 0

seed production, as well as other economical and ecological attributes, is an important character in grasses. knowledge on the genetic diversity of seed yield and yield components on iranian tall fescue accessions, as a high productive and adaptive grass is limited. this experiment was conducted to investigate the genetic diversity of seed yield and seed components, determine relationships betw...

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