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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39 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 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(7): 537-544
DOI: https://doi.org/10.20546/ijcmas.2018.707.066


Growth and Sporulation Physiology of Postharvest Pathogen Thielaviopsis paradoxa (De Seynes.) Höhn
Niren Majumdar*and Nakul Chandra Mandal
Department of Plant Protection, Palli-Siksha Bhavana (Institute of Agriculture), Visva-Bharati, Sriniketan-731236, Birbhum, West Bengal, India
*Corresponding author
Abstract:

Thielaviopsis paradoxa is an ascomyceteous fast growing fungus has broad host range under tropical condition. The growth dynamics and sporulation of this pathogen have been investigated in relation to various media, physical factors like temperature and pH with significant variation among the treatments. All 12 media supported growth although with a change in their dynamics. Maximum radial growth were recorded on PDA, PSA, MEA and OMA media and the optimum temperature for growth was 30oC although the cardinal temperatures were 10oC and 40oC. No growth was found on PDA at temperature 40oC and very scanty growth at 10oC, after 96hrs of incubation. Optimum pH for growth was 5.0 and 6.0. Least growth recorded both on CDA medium and at pH of 9.0. Highest sporulation recorded on OMA medium and temperature at 30oC and pH 6.0 on PDA whereas lowest sporulation found at pH 8.0 on PDA and on CDA medium.


Keywords: Growth, Sporulation, Media, pH, Temperature, Thielaviopsis paradoxa
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How to cite this article:

Niren Majumdar and Nakul Chandra Mandal. 2018. Growth and Sporulation Physiology of Postharvest Pathogen Thielaviopsis paradoxa (De Seynes.) Höhn.Int.J.Curr.Microbiol.App.Sci. 7(7): 537-544. doi: https://doi.org/10.20546/ijcmas.2018.707.066