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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(2): 1749-1756
DOI: https://doi.org/10.20546/ijcmas.2018.702.212


Selection and Characterization of the Virulent Fusarium oxysporum f. sp. lycopersici Isolate Inciting Vascular Wilt of Tomato
V. Kavi Sidharthan, Rashmi Aggarwal, N. Surenthiran, G. Pothiraj, P. Kowsalya and V. Shanmugam*
Division of Plant Pathology, ICAR-Indian Agricultural Research Institute, New Delhi-110012, India
*Corresponding author
Abstract:

Fusarium oxysporum f. sp. lycopersici [FOL], the pathogen inflicting vascular wilt in tomato, pose a serious threat to the nutritional security. In India, due to lack of proper knowledge on the disease aetiology, the management of the disease becomes difficult. The main objective of this study is to select the most virulent FOL isolate among 7 putative Fusarium isolates, including 2 isolates acquired during field survey. The pathogenicity assay revealed the most virulent isolate TOFU-IHBT that exhibited systemic symptom in tomato plants within 5 days of pathogen inoculation. Based on morphological, pathological, and sequence analyses of the ITS region, and by fulfiling Koch's postulates, this isolate was characterized as Fusarium oxysporum f.sp. lycopersici. This selected isolate can be used in further studies for developing management strategies against FOL.


Keywords: Fusarium, Tomato, Fusarium oxysporum f.sp. lycopersici, Characterization
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How to cite this article:

Kavi Sidharthan, V., Rashmi Aggarwal, N. Surenthiran, G. Pothiraj, P. Kowsalya and Shanmugam, V. 2018. Selection and Characterization of the Virulent Fusarium oxysporum f. sp. lycopersici Isolate Inciting Vascular Wilt of Tomato.Int.J.Curr.Microbiol.App.Sci. 7(2): 1749-1756. doi: https://doi.org/10.20546/ijcmas.2018.702.212