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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 |
Tobacco is one of the commercially important plants commonly affected by Fusarium wilt caused by Fusarium sp. It is vascular or fungal wilt causes major damage to the plant, in turns crop yield and productivity. It can be controlled by both fungicides and bio agents with various environmental impacts. Further, biocontrol agents play a significant role in the fungal diseases management of various plants predominantly Trichoderma sp. It is a saprophytic filamentous fungus of rhizospheric soil widely used as bio pesticides, bio fertilizers and also as soil fertility enhancer. The present work was intended to assess the possibilities of using Trichoderma sp. to inhibit the pathogenicity of Fusarium wilt by using invitro methods like dual culture technique, dual plate technique. At the same time efficacy of chemical agents – fungicides were studied by using poisoned food technique against the pathogen. Trichoderma isolates has the most effective antagonism activity based on invitro evaluations. Similarly, fungicides Benfil at 10 ppm and 50 ppm concentrations were effective in the inhibition of pathogen growth whereas Kavach was more potent at 100 ppm and 200 ppm dilutions in the of selected pathogen isolates. It was concluded that both bio control agent and fungicides were effective in the control of Fusarium wilt of tobacco plants either individual or in combine. Further studies may also require for usage of both biological and chemical agents in commercial formulations.
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