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 |
Phytopthogen are simply an organism parasitic on a plant host resulting the serious problems regarding crop losses in agriculture sector. To facing such a threat, it is very wise to use Biological Control Agents (BCA’s) like Trichoderma, a soil-borne filamentous fungus that are capable of parasitizing several plant pathogenic fungi. It is a potential fungal BCA’s against a range of plant pest and pathogens. Unfortunately, popularization of bio-pesticides is very slow as compared to chemicals. In this study, Pyricularia oryzae was isolated from diseased plant parts using tissue culture techniques. Thereafter, antagonistics properties of two T-strains coded as Ts7B1 and Ts8O were evaluated against P.oryzae isolate tested in vitro study using dual culture technique. In dual culture techniques it is found that Ts7B1 has maximum mycelial growth inhibition and sporulation of pathogen (as much as 60 and 69% respectively) whereas Ts8O has lowest effect on it (35 and 55.2%). Present study concludes the uses of Trichoderma and assessment of their suitability as bio-pesticides for control of P.oryzae, the causal agent of blast rice disease.
Inhibition, Mycelial growth, Trichoderma strains, Pyricularia oryzae, biocontrol
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