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Original Research Articles Volume : 15, Issue : 6, June, 2026

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2026.15(6) : 53-44
DOI : https://doi.org/10.20546/ijcmas.2026.1506.005


Trichoderma as a Biocontrol Agent against Diaporthe and Lasiodiplodia Species

Hena Mahmood* and Choudhary Sharfuddin
Plant Pathology and Microbiology Laboratory, Department of Botany, Patna University, Patna, Bihar, India
*Corresponding author
Abstract:

Trichoderma species have emerged as powerful biocontrol agents for controlling various diseases of crops and plants. Fungi belonging to Diaporthe and Lasiodiplodia species comprise some highly destructive plant pathogens affecting important agricultural crops. In the present study, the Trichoderma isolates were assessed for their antagonistic potential against Diaporthe and Lasiodiplodia species. The two methods used were dual culture assay and inverted plate assay. In the dual culture assay, the percentage inhibition of radial growth (PIRG) of Diaporthe species ranged from 65.16% to 73.68% with the maximum PIRG shown by isolate T4, which was identified as Trichoderma erinaceum; and the PIRG of Lasiodiplodia species ranged from 57.14% to 62.04% with the maximum PIRG shown by isolate T1, which was identified as Trichoderma yunnanense. In the inverted plate assay, the percentage of inhibition of Diaporthe species ranged from 19.79% to 60.29% and the maximum inhibition was exhibited by isolate T4. The volatile compounds produced by the Trichoderma isolates showed no inhibitory effect on the growth of Lasiodiplodia species. Thus, it can be concluded that the Trichoderma isolates showed more effective antagonism against Diaporthe than against Lasiodiplodia.


Keywords: Trichoderma, Diaporthe, Lasiodiplodia, antagonism


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How to cite this article:

Hena Mahmood and Choudhary Sharfuddin. 2026. Trichoderma as a Biocontrol Agent against Diaporthe and Lasiodiplodia Species Int.J.Curr.Microbiol.App.Sci. 15(6): 53-44 doi: https://doi.org/10.20546/ijcmas.2026.1506.005
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