alexa Optimal Physical Parameters for Growth of Trichoderma S
ISSN: 2161-0517

Virology & Mycology
Open Access

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Research Article

Optimal Physical Parameters for Growth of Trichoderma Species at Varying pH, Temperature and Agitation

Anuradha Singh*, Mohammad Shahid, Mukesh Srivastava, Sonika Pandey, Antima Sharma and Vipul Kumar

Biocontrol Laboratory, Department of Plant Pathology, Chandra Shekhar Azad University of Agriculture & Technology, Kanpur, Uttar Pradesh, India

Corresponding Author:
Anuradha Singh
Biocontrol Laboratory
Department of Plant Pathology
C. S. A. University of Agriculture & Technology
Kanpur-208002, Uttar Pradesh, India
Tel: 9452647730
E-mail: [email protected]

Received Date: January 18, 2014; Accepted Date: February 04, 2014; Published Date: February 10, 2014

Citation: Singh A, Shahid M, Srivastava M, Pandey S, Sharma A, et al. (2014) Optimal Physical Parameters for Growth of Trichoderma Species at Varying pH, Temperature and Agitation. Virol Mycol 3:127. doi:10.4172/2161-0517.1000127

Copyright: © 2014 Singh A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The study was aimed to carry out experiments to determine the optimal parameters for the biomass production of Trichoderma. It is quite essential to determine the physical conditions that are favorable for the growth of Trichoderma species. The seven species under study have been isolated from the rhizospheric soils of chickpea; pigeon pea and lentil crops of different areas of an Indian State (Uttar Pradesh) and these were later tested in vitro at different pH, temperatures and varying agitation speed. A significant difference in the biomass production was recorded among the species at tested pH levels i.e. 4.0, 4.5, 5.0, 5.5, 6.0, 6.5, 7.0, 7.5 and 8.0. The most favorable pH ranges between 5.5 and 7.5 in which total dry weight of mycelium varies between 1.41 and 1.35 g. Although all the species of Trichoderma produced sufficient biomass at different temperatures viz. 20°C, 25°C, 30°C and 35°C but they were found to be best grown at a temperature range of 25°C to 30°C. Aeration by agitation was also checked at different speeds such as 100, 150, 200 and 250 rpm but greatest biomass was recorded at 150 rpm.

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