National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
Trichoderma spp. are tolerant and compatible with fungicides, biofertilizers and other bio pesticides. Integrating fungicide resistant antagonists with suitable fungicide treatment has importance in the frame work of integrated disease management. Incorporation of natural products provides a viable solution to the environmental problems caused by synthetic pesticides. Identification of these compounds and their further testing may be an effective approach to minimize the use of hazardous chemicals. With the above mentioned points the present research work was conducted to assess the sporulation and growth of native isolate of Trichoderma viride on fungicide treated seeds. The research work was carried out by isolation and identification of native isolate of T. viride, sporulation of T. viride on fungicide amended medium and growth of T. viride on fungicide treated seeds. Various fungicides viz., carbendazim (0.1, 0.2 and 0.3 per cent), copper oxy chloride (0.2, 0.3 and 0.4 per cent), thiophanate methyl (0.05, 0.1 and 0.2 per cent), benomyl (0.05, 0.1 and 0.2 per cent) and sodium hypochlorite (5, 10 and 15 per cent) were used in this experiment. Sporulation of T.viride was observed in all fungicides except in thiophanate methyl and sodium hypochlorite at higher concentrations. Copper oxychloride showed the highest sporulation of 185 x 105 spores / ml and benomyl recorded 35 x 105 spores / ml as least. Mycelial growth of T. viride was measured as 2.37 mm in sodium hypochlorite and 2.27 mm in copper oxy chloride treated seeds around the Colletotrichum capsici infected seeds as against 3.50 mm in control.
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