Development of DArT markers and assessment of diversity in Fusarium oxysporum f. sp. ciceris, wilt pathogen of chickpea (Cicer arietinum L.)

    Sharma, M and Nagavardhini, A and Thudi, M and Ghosh, R and Pande, S and Varshney, R K (2014) Development of DArT markers and assessment of diversity in Fusarium oxysporum f. sp. ciceris, wilt pathogen of chickpea (Cicer arietinum L.). BMC Genomics, 15 (454). pp. 1-14. ISSN 1471-2164

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    Abstract

    Fusarium oxysporum f. sp. ciceris (Foc), the causal agent of Fusarium wilt of chickpea is highly variable and frequent recurrence of virulent forms have affected chickpea production and exhausted valuable genetic resources. The severity and yield losses of Fusarium wilt differ from place to place owing to existence of physiological races among isolates. Diversity study of fungal population associated with a disease plays a major role in understanding and devising better disease control strategies. The advantages of using molecular markers to understand the distribution of genetic diversity in Foc populations is well understood. The recent development of Diversity Arrays Technology (DArT) offers new possibilities to study the diversity in pathogen population. In this study, we developed DArT markers for Foc population, analysed the genetic diversity existing within and among Foc isolates, compared the genotypic and phenotypic diversity and infer the race scenario of Foc in India.

    Item Type: Article
    Divisions: RP-Grain Legumes
    CRP: CGIAR Research Program on Grain Legumes
    Uncontrolled Keywords: Chickpea, DArT, Fusarium wilt, Molecular markers, Races, Virulence
    Subjects: Mandate crops > Chickpea
    Others > Genetics and Genomics
    Others > Plant Pathology
    Depositing User: Mr Siva Shankar
    Date Deposited: 21 Jun 2014 03:47
    Last Modified: 21 Jun 2014 03:47
    URI: http://oar.icrisat.org/id/eprint/8149
    Official URL: http://dx.doi.org/10.1186/1471-2164-15-454
    Projects: UNSPECIFIED
    Funders: Government of India - Department of Biotechnology
    Acknowledgement: The authors are thankful for technical assistance from Mr Rameshwar Telengre and P Govind from Legumes Pathology group in phenotyping and Mr. Eshwar K and Ranjan Shah in DArT work from Applied Genomics group.
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