Evaluation of tolerance to fungicides in Macrophomina phaseolina, Trichoderma harzianum, Trichoderma viride, and Gliocladium virens

Surajit Khalko; Subhendu Jash; Shaonli Bose; Manisha Roy; Sitansu Pan

Journal of Mycopathological Research 43(1): 121-123


Accession: 013243886

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Four fungicides, Blitox (copper oxychloride), Dithane M-45 (mancozeb), captaf (captan) and Bavistin (carbendazim) were evaluated at five different concentrations (50, 100, 200, 300 and 400 ppm) against Macrophomina phaseolina, the causal agent of stem rot of jute, the biocontrol agents Trichoderma harzianum, Trichoderma viride and Gliocladium virens. Dithane M-45 was highly suitable for integration with all the antagonists as it totally inhibited the mycelial growth of the pathogen but not as inhibitory to the antagonists. The antagonists were found to be moderately sensitive to captaf and blitox, therefore, these can also be integrated with some limitation. Bavistin cannot be used for integration as it totally inhibited the growth of antagonists.