International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 7, Issue:7, July, 2018

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
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

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

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:
Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.