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 |
Gossypol, a toxic phenolic compound present in cottonseed meal (CSM) makes it unfit for use as feed for non-ruminants. Microbial detoxification of gossypol in CSM by solid state fermentation (SSF) was known to have higher detoxification efficiency with improved nutritive value as compared to the physical and chemical methods of gossypol detoxification. This study was conducted to isolate, screen and identify efficient gossypol detoxifying microbes from the cotton rhizosphere and pink bollworm larvae. From our study, Aspergillus quadrilineatus, A. terreus, A. versicolor, Penicillium griseofulvum, Streptomyces maritimus, Streptomyces sp and S. rochei were efficient gossypol detoxifying microorganism of CSM. Among the treatments, CSM inoculated with A. quadrilineatus, A. terreus, A. versicolor, P. griseofulvum showed maximum free and bound gossypol reduction in SSF. To the best of our knowledge, for the first time, we report soil isolates P. griseofulvum, S. maritimus, Streptomyces sp and S. rochei as gossypol utilising microorganisms from cotton ecosystem. However, actinobacteria were not found to be as efficient as fungal isolates in reduction of free and bound gossypol.
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