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Biocontrol and plant growth promoting potential of Trichoderma yunnanense

Vegetos, ISSN: 2229-4473, Vol: 34, Issue: 4, Page: 928-936
2021
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Article Description

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 brassicicola, Alternaria 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.

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