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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.
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(12): 1460-1466
DOI: https://doi.org/10.20546/ijcmas.2020.912.173


Interaction of Pathogens Associated with Rhizome Rot Complex Disease in Ginger
H. S. Mahesha1*, M. R. Ravikumar2, V. Suryanarayana3, S. T. Prabhu2 and B. R. Jagadeesh2
1Department of Plant Pathology, UAS, Dharwad, Karnataka, India
2College of Agriculture, Hanumanamatti, Haveri, UAS, Dharwad, India
3College of Forestry, Sirsi, Uttar Kannada, UAS, Dharwad, India
*Corresponding author
Abstract:

India is renowned throughout the world as “spice bowl” due to production and export of spices. Ginger is an economically important cash crop grown for its aromatic underground rhizomes. Rhizome rot or soft rot is the most destructive diseases of ginger worldwide. The pathogen associated with rhizome rot complex disease of ginger in Karnataka includes Pythium aphanidermatum (causes soft rot), Ralstonia solanacearum (bacterial wilt), Fusarium solani (yellows), Sclerotium rolfsii (Sclerotium rot) and Meloidogyne arenaria (root knot). In the interaction study, R. solanacearum took 16 days to express the symptoms in individual inoculation with highest rot incidence (55.56 %). In case of P. aphanidermatum, the symptoms were expressed within 19 days after inoculation with 43.55 per cent disease incidence. The symptoms were seen within 10 DAI with all pathogens (P + F + R + S + M). In sequential inoculation of M. arenaria followed by R. solanacearum after 15 days, recorded maximum incidence of disease (91.67 %). The disease was expressed in 21 DAI of pathogens.


Keywords: Soft rot, P. aphanidermatum, Sclerotium rolfsii, R. solanacearum and Fusarium solani
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How to cite this article:

Mahesha, H. S., M. R. Ravikumar, V. Suryanarayana, S. T. Prabhu and Jagadeesh, B. R. 2020. Interaction of Pathogens Associated with Rhizome Rot Complex Disease in Ginger.Int.J.Curr.Microbiol.App.Sci. 9(12): 1460-1466. doi: https://doi.org/10.20546/ijcmas.2020.912.173