Biocontrol and plant growth promoting potential of Trichoderma yunnanense

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Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Pub Email:
Doi: 10.1007/s42535-021-00253-7
First Page: 928
Last Page: 936
Views: 1821

Keywords: Trichoderma yunnanense , Internal transcribed spacer, Growth promoting fungi, Antagonism


Biological control agents can be an effective and safe sustainable alternative method to reduce the detrimental effects of synthetic fungicides. In the present study, an airborne microfungi Trichoderma yunnanense showed broad spectrum antifungal and plant growth promoting activities. The characterization of the fungal isolate was confirmed by morphological features, DNA sequencing and phylogenetic tree analysis. Various growth parameters such as root and shoot length (13.76 mm and 19.3 mm), root and shoot dry weight (0.048 g and 0.037 g) were enhanced in the treated plants compare to control. In treated plants. The total chlorophyll and sugar content were found to be higher than control. Trichoderma yunnanense showed higher antagonistic potentiality (50–66%) against Alternaria brassicicolaAlternaria solani, Aspergillus ochraceus but showed lower potentiality against Pencillium oxalicum (21.42%). Thus the strain of Trichoderma yunnanense possessed growth-promoting potential and potent to antagonistic activity against plant pathogenic fungi.

                Trichoderma yunnanense
              , Internal transcribed spacer, Growth promoting fungi, Antagonism

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The study was supported financially by Department of Biotechnology, Government of India (DBT Sanction Order No. BT/512/NE/TBP/2013). The authors are thankful to the Head, Department of Botany, Tripura University and the Director of Bose Institute, Kolkata for providing infrastructural facilities. The authors are also indebted to National Centre for Microbial Resource (NCMR), Pune for molecular identification and phylogenetic tree analysis. Finally, the authors are grateful to Prof. Kashinath Bhattacharya, Department of Botany, Visva-Bharati University, Prof. Debabrata Basu and Dr Pallob Kundu, Division of Plant Biology, Bose Institute for providing fungal pathogens for this experiment. The authors declare that they have no conflict of interest.

Author Information

Karmakar Pintu
Mycology and Plant Pathology Laboratory, Department of Botany, Tripura University, Agartala, India

SenGupta Koyel
Division of Plant Biology, Bose Institute, Kolkata, India

Das Panna
Microbiology Laboratory, Department of Botany, Tripura University, Agartala, India

Bhattacharya Swati Gupta
Division of Plant Biology, Bose Institute, Kolkata, India

Saha Ajay Krishna
Mycology and Plant Pathology Laboratory, Department of Botany, Tripura University, Agartala, India