Reclassification of Trichoderma Viride (TNAU), the Most Widely Used Commercial Biofungicide in India, as Trichoderma Asperelloides

Prasun K. Mukherjee*, Arup K. Mukherjee, Sandhya Kranthi
Crop Protection Division, Central Institute for Cotton Research, Nagpur 440010, India

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© 2013 Mukherjee et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: ( This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Crop Protection Division, Central Institute for Cotton Research, Nagpur 440010, India; Tel: +91-7103-275538; Fax: +91-7103-275529; E-mail:


Trichoderma “viride” TNAU is the most widely used biofungicide in India with more than 250 registered commercial formulations being available. We have studied the phylogenetic position of this strain using a molecular marker and determined that this commercial strain is, in fact, a strain of Trichoderma asperelloides, and not T. viride. The implications of these findings on the registration and commercial distribution of biofungicides based on this strain has been discussed.

Keywords: Trichoderma viride, T. asperelloides, biofungicides, formulations.