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 |
High lignin content is one of the major reasons for the recalcitrance of rice stubble, and microbial degradation is an eco-friendly method to manage this large fraction of rice residue, which accumulates in the field. In the present study, three fungal isolates with promising lignolytic potential were selected to develop and optimize a suitable liquid formulation comprising a lignolytic consortium of fungi. For making the liquid formulation, 3% jaggery medium containing 0.05% yeast extract was selected as the base. Various polyvinylpyrrolidone (PVP) concentrations from 0-2.5% were added into the medium and tested for viability of the consortium, and the isolates individually for one year. The study revealed that PVP at 1.5%, 2% and 2.5% concentration maintained the viability of the cells for one year. Individual isolates as well as consortium followed a similar trend. However, in the treatment which did not contain PVP, viable cells were found to reduce sharply after three months. So, the study revealed that a liquid formulation containing 3% jaggery, 0.05% yeast extract and 1.5% PVP is most suitable for better shelf life and viability of the consortium.
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