alexa Investigation on Genetic Diversity of Fusarium oxysporum Schlecht Isolated from Tuberose (Polianthes tuberosa L.) based on RAPD Analysis and VCG Groups
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Research Article

Investigation on Genetic Diversity of Fusarium oxysporum Schlecht Isolated from Tuberose (Polianthes tuberosa L.) based on RAPD Analysis and VCG Groups

Vida Mahinpoo1*, Reza Farokhi Nejad1, Hamid Rajabi Memari2, Amir Cheraghi1, and Zaynab Bahmani1

1Department of Plant Pathology, Shahid Chamran University of Ahvaz, Iran

2Department of Plant Breeding, Shahid Chamran University of Ahvaz, Iran

*Corresponding Author:
Vida Mahinpoo
Department of Plant Pathology
Shahid Chamran University of Ahwaz-61357-831351, Iran
Tel: +989183140345
E-mail: [email protected]

Received date: December 18, 2012; Accepted date: January 15, 2013; Published date: January 20, 2013

Citation: Mahinpoo V, Nejad RF, Memari HR, Cheraghi A, Bahmani Z, (2013) Investigation on Genetic Diversity of Fusarium oxysporum Schlecht Isolated from Tuberose (Polianthes tuberosa L.) based on RAPD Analysis and VCG Groups. J Plant Pathol Microb 4:158. doi:10.4172/2157-7471.1000158

Copyright: © 2013 Mahinpoo V, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Fusarium rot disease of Tuberose (Polianthes tuberosa L.), caused by the vascular wilt pathogen Fusarium oxysporum, is a major production constraint in Tuberose growing regions of Iran. Samples collected from different fields in Dezful Khuzestan province, and 110 isolates of F. oxysporum recovered. Genetic diversity among F. oxysporum isolates determined using vegetative compatibility groups (VCGs) and Random Amplified Polymorphic DNA (RAPD) techniques. In the first experiments, 45 isolates selected randomly to VCG test. Nit mutants generated on MMC and Czapeck media each containing 3% KClO3. The isolates assigned to into four VCG groups. These isolates also characterized by RAPD technique into six genetic groups at 61% similarity level. Cluster analysis of the RAPD data showed a close agreement with VCG grouping in some cases. In addition, Pathogenicity test revealed that all isolates were pathogenic. This research is the first report of genetic diversity of F. oxysporum on Tuberose in Iran.

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