Journal of Food, Agriculture and Environment

Vol 10, Issue 1,2012
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Genetic diversity of wild oats Avena fatua and A. sterilis ssp. ludoviciana accessions of Iran


Zeynab Mohamadzadeh 1*, Eskandar Zand 2, Taher Nejadsattari 1, Mohammad Reza Naghavi 3, Ramazan Ali Khavari-Nejad 1, Diba Ahmadi Rastegar 4

Recieved Date: 2011-09-14, Accepted Date: 2012-01-04


The genus Avena contains about 27 different species from diploid to hexaploid with different genome compositions. Wild oat is among the worst weeds of grain crops. It is important to identify the genetic diversity of wild oat genetic resources for its effective management and for evaluating its accessions. The aim of the present study is to evaluate the genetic diversity of 59 accessions of two wild oat species A. fatua and A. sterilis ssp. ludoviciana. Eight SSR markers were used to assess the genetic variation of 59 accessions gathered from different parts of Iran. All microsatellite markers showed polymorphism. The average numbers of alleles per each SSR locus were 3.75 for A. fatua and 4.62 for A. sterilis ssp. ludoviciana. The average PIC value was 0.7 for both A. fatua and A. sterilis ssp. ludoviciana. Cluster analysis based on Neighbor-Joining (NJ) showed a dendrogram with two clusters and splitting feature of A. fatua and A. sterilis ssp. ludoviciana which congruent with known information on different growing areas. The cluster analysis results suggested that the genetic diversities of these wild oat accessions were associated with their geographical distribution. Overall, the results showed these 8 primers could completely separate A. fatua and A. sterilis ssp. ludoviciana accessions from each other.


A. fatua, A. sterilis ssp. ludoviciana, genetic diversity, microsatellite, SSR

Journal: Journal of Food, Agriculture and Environment
Year: 2012
Volume: 10
Issue: 1
Category: Agriculture
Pages: 307-312

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