JEB logo

Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

About Journal
    Home
    Editor in Chief
    Editorial Board
    Reviewer Panel
    Publication Policies
    Guidelines for Editors
    Guidelines for Reviewers
    Abstracting and Indexing
    Subscription and Payments
    Contact Journal
 
Read Journal
    Current Issue
    Journal Archives
 
For Authors
    Guidelines for Authors
    Terms and Conditions
    Fees and Payments
    Track Paper Status
 
Announcements
    JEB Awards
 

Google Search the Journal web-site:


    Abstract - Issue Sep 2012, 33 (5)                                     Back


nstantaneous and historical temperature effects on a-pinene

Studies on strains of Trichoderma spp. from high altitude of††††

Garhwal Himalayan region

 

Author Details

 

B. B.† Joshi

(Corresponding author)

Indian† Institute† of† Sugarcane† Research,† Lucknow-226002, India

e-mail :† bjoshi92@yahoo.com

M. P. Vishwakarma

Department† of† Botany,† HNB Garhwal† University,† Srinagar, Garhwal-246174, India

D. Bahukhandi

Division of Seed Technology, Indian Grassland and Fodder Research Institute, Jhansi-284003, India

R. P. Bhatt

Department† of† Botany,† HNB Garhwal† University,† Srinagar, Garhwal-246174, India

 

 

Publication Data

Paper received:

08 February 2010

 

Revised received:

06 September 2011

 

Accepted:

18 October 2011

 

Abstract

Two species of Trichoderma i.e. T. harzianum and T. viride have been isolated from the soil samples collected from the higher altitude (2000-3500 m) of Garhwal Himalayan region in India. The two species were grown in Petri plates on TSM agar media and it was also observed that the optimum temperature and pH for Trichoderma growth was 300 C and 5.5 respectively. When incubated on TSM agar medium at 40 C, the fungus grew normally with heavy induced sporulation within three weeks of incubation. Induction of sporulation on exposure to low temperature appeared to be strategies for survival of these species in extreme cold environment temperature 4 to 50 C. Antifungal activities of the two species of Trichoderma were demonstrated with phytopathogenic fungi in dual cultures. The antifungal metabolites produced by Trichoderma spp., diffusible as well as volatile, caused abnormalities in pathogenic fungi. Plant growth promotion of Trichoderma spp. was also shown through plant analysis in greenhouse.†

 

Key words

Trichoderma spp., Trichoderma selective medium, Biocontrol agent, Soil-borne pathogens

 

Copyright © 2012 Triveni Enterprises. All rights reserved. No part of the Journal can be reproduced in any form without prior permission.¬†Responsibility regarding the authenticity of the data, and the acceptability of the conclusions enforced or derived, rest completely with the author(s).