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Genetic diversity and mating-type distribution within populations of Ascochyta rabiei in Turkey

Indian Agricultural Research Journals

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Title Genetic diversity and mating-type distribution within populations of Ascochyta rabiei in Turkey
 
Creator ÖZER, GÖKSEL
BAYRAKTAR, HARUN
DOLAR, FATMA SARA
 
Subject Ascochyta rabiei
Chickpea
Genetic diversity
Mating type
RAPD
 
Description Genetic diversity and mating-type distribution were studied within five populations of Ascochyta rabiei in Turkey. Of 122 isolates tested for mating type, 52.5% were identified as MAT 1-2 and 47.5% as MAT 1-1. Both mating types were observed in all populations, supporting the hypothesis of a randomly mating population. RAPD analysis was performed on 81 isolates of A. rabiei representing different pathotypes and geographic origins with 54 primers. Results of RAPD analysis clustered all isolates into nine groups an arbitrary level of 73% similarity. Total gene diversity (HT=0.221) was mostly attributable to diversity within populations (HS=0.213). Only 4% of the total variability were attributable to variation among populations. The results revealed low genetic differentiation and high gene flow among populations of A. rabiei in Turkey.
 
Publisher Indian Council of Agricultural Research
 
Date 2012-01-03
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
 
Format application/pdf
 
Identifier https://epubs.icar.org.in/index.php/IJAgS/article/view/13850
10.56093/ijas.v82i1.13850
 
Source The Indian Journal of Agricultural Sciences; Vol. 82 No. 1 (2012); 3–7
2394-3319
0019-5022
 
Language eng
 
Relation https://epubs.icar.org.in/index.php/IJAgS/article/view/13850/6873
 
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