نتایج جستجو برای: Genetic variability

تعداد نتایج: 768742  

Journal: :journal of agricultural science and technology 2015
s. gholamzadeh khoei b. abdollahi mandoulakani i. bernousi

retrotransposons (rtns) constitute informative molecular markers for plant species because of their ability to integrate into a multitude of loci throughout the genome and thereby generate insertional polymorphisms between individuals. in the present study, rtn-based molecular markers, irap (inter-retrotransposon amplified polymorphism) and remap (retrotransposon-microsatellite amplified polymo...

Journal: :journal of agricultural science and technology 2015
m. m. majidi y. sharafi m. jafarzadeh a. mirlohi

designing breeding programs for winter rapeseed (brassica napus l.) cultivars with improved seed and oil yields requires information about the genetic variability of traits. in this study, 28 winter rapeseed cultivars were evaluated for genetic variation and relationships between 11 agro-morphological characters during 2010 and 2011. cultivars and cultivar × year interaction showed significant ...

Journal: :iranian journal of parasitology 0
bahador sarkari shahriari basic sciences in infectious diseases research center, shiraz university of medical sciences, shiraz, iran. elahe biranvand dept. of parasitology and mycology, school of medicine, shiraz university of medical sciences, shiraz, iran. seyed mahmoud sadjjadi dept. of parasitology and mycology, school of medicine, shiraz university of medical sciences, shiraz, iran. hamidreza rahimi dept. of parasitology and mycology, school of medicine, shiraz university of medical sciences, shiraz, iran and school of medicine, shahroud university of medical sciences, shahroud, iran.

background: antigen b (agb) is frequently used for immuno-diagnosis of hu-man cystic echinococcosis (ce). echinococcus granulosus agbs show a high degree of genetic variability in different hosts or in different ce endemic areas. the present study aimed to evaluate the genetic polymorphisms of encoding antigen b2 gene (agb2) among different iranian isolates of e. granulosus. methods: a total of...

Journal: :iranian journal of biotechnology 2006
mahmmood malaki mohammad reza naghavi hoshang alizadeh payam potki mehrbanoo kazemi

little information is available regarding genetic variation in wild wheat relatives from iran. in this study, genetic diversity of 36 populations of wild einkorn wheat, triticum boeoticum, was studied using amplified fragment length polymorphism (aflp) primer combinations. seventeen aflp primer combinations led to amplify 979 scorable fragments ranging from 50 to 500 bp and of these, 429 (44%) ...

Journal: :journal of agricultural science and technology 2010
gh. fathi

nitrate concentration of the soil, at the start of growing season, is high due to minerali-zation of soil organic n during the fall and the addition of n fertilizers. it may be useful to exploit this n form as much as possible. therefore, the nitrate uptake, assimilation and dry matter production of several wheat cultivars were examined in a series of experiments using a hydroponic culture syst...

Journal: :journal of plant molecular breeding 2015
hajar abedinpour nad ali babaeian jelodar gholam ali ranjbar behrouz golein

having knowledge about genetic relationships among accessions is necessary for developing breeding strategies to produce improved cultivars. in present study, genetic diversity and inter-relationship among 29 genotypes of citrus were comparatively analyzed using morphological and rapd markers. significant variability was observed among citrus genotypes for 61 quantitative and qualitative morpho...

The experiment was conducted using Randomized Complete Block Design with Row Column arrangement and three replications. Grain yield, phenological and other traits were recorded. The Residual Maximum Likelihood (REML) combined analysis of variance across locations showed very highly significant (P

Journal: :crop breeding journal 0
a. aalami agricultural sciences, university of guilan, rasht, iran. b. abdollahi mandoulakani h. azizi f. masoumi s. safiyar n. karami

genetic drift of germplasm in cultivated wheat is good motivation for studying genetic diversity in its wild relatives. in this study, r-rap, a new retrotransposon-based marker, was applied to assess the structure and genetic diversity of 30 accessions of aegilops sp. originating from different geographical regions of iran. the 15 r-rap primer combinations revealed a total of 338 bands ranging ...

The experiment was conducted using Randomized Complete Block Design with Row Column arrangement and three replications. Grain yield, phenological and other traits were recorded. The Residual Maximum Likelihood (REML) combined analysis of variance across locations showed very highly significant (P

Akbar Shabani Ezatollah Farshadfar, Hossein Romena

Selection of genotypes based on high value of heritability and forecasted genetic conditions would be an effective method for improvement of wheat cultivars. The present investigation was carried out to estimate the genetic variability of agro-physiological characters using biometrical genetic techniques in 20 bread wheat genotypes under irrigated condition. For this purpose an experiment was c...

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