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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.2018.7(2): 2046-2057
DOI: https://doi.org/10.20546/ijcmas.2018.702.245


Coconut Nut Rot Disease in India: Prevalence, Characterization of Pathogen and Standardization of Inoculation Techniques
R. Dheepa1*, C. Goplakrishnan1, A. Kamalakannan1, S. Nakkeeran1, C.A. Mahalingamand J. Suresh3
1Department of Plant Pathology
2Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore -641 003, Tamil Nadu, India
3Tamil Nadu Agricultural University, Coimbatore - 641 003, Tamil Nadu, India
*Corresponding author
Abstract:

Coconut nut rot disease is one of the major economic constraints which hampers coconut production in India. An extensive disease survey was conducted during July 2015 - September 2016 to assess the nut rot incidence in major coconut growing tracts of Tamil Nadu. The young palms of 5-10 years were found to be more susceptible to nut rot than matured palms. A fungal pathogen was found to be consistently associated with nut rot disease and identified as Lasiodiplodia theobromae based on morphological characters. A type culture of pathogen was submitted to Indian Type Culture Collection (ITCC), Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi with the accession number of 10,517.17. The different methods of inoculation L. theobromae through pin prick along with spore suspension spray was found to be the best which record higher severity inoculated with seven month old coconuts.


Keywords: Coconut nut rot; Lasiodiplodia theobromae, Morphological and molecular characterization; Scanning Electron Microscope
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How to cite this article:

Dheepa, R., C. Goplakrishnan, A. Kamalakannan, S. Nakkeeran, C.A. Mahalingam and Suresh, J. 2018. Coconut Nut Rot Disease in India: Prevalence, Characterization of Pathogen and Standardization of Inoculation Techniques.Int.J.Curr.Microbiol.App.Sci. 7(2): 2046-2057. doi: https://doi.org/10.20546/ijcmas.2018.702.245