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Vermiremediation and detoxification of sugar beet pulp waste using Allium cepa bioassay
Abstract In the present study, sugar beet pulp (SBP) was subjected to bioconversion by earthworm Eisenia fetida in a vermicomposting process. SBP and cattle dung were mixed in different ratios of 0:100 (SBP0) 10:90 (SBP10), 20:80 (SBP20), 40:60 (SBP40) and 80:20 (SBP80). Allium cepa L. genotoxicity bioassay test was used to check the reduction of toxicity of waste during vermicomposting. The results revealed the increase in the root length and mitotic index (MI) values of final vermicomposted mixtures. The maximum root length (cm) and MI (%) values were found in the final feed mixtures of SBP0 (control) (7.52 ± 0.33 cm) and SBP10 (16.7 ± 0.29%) concentrations, respectively. The vermicomposted feed mixtures of sugar beet pulp showed 34–62% reduction in the chromosomal aberrations with maximum decline (62.0%) in SBP20 concentration. The study indicated that the earthworms have the potential to minimize the toxicity of SBP waste. Scanning electron microscopy analysis of SBP40 feed mixture revealed that the final product was more fragmented and scattered in nature than the initial raw waste.
Vermiremediation and detoxification of sugar beet pulp waste using Allium cepa bioassay
Abstract In the present study, sugar beet pulp (SBP) was subjected to bioconversion by earthworm Eisenia fetida in a vermicomposting process. SBP and cattle dung were mixed in different ratios of 0:100 (SBP0) 10:90 (SBP10), 20:80 (SBP20), 40:60 (SBP40) and 80:20 (SBP80). Allium cepa L. genotoxicity bioassay test was used to check the reduction of toxicity of waste during vermicomposting. The results revealed the increase in the root length and mitotic index (MI) values of final vermicomposted mixtures. The maximum root length (cm) and MI (%) values were found in the final feed mixtures of SBP0 (control) (7.52 ± 0.33 cm) and SBP10 (16.7 ± 0.29%) concentrations, respectively. The vermicomposted feed mixtures of sugar beet pulp showed 34–62% reduction in the chromosomal aberrations with maximum decline (62.0%) in SBP20 concentration. The study indicated that the earthworms have the potential to minimize the toxicity of SBP waste. Scanning electron microscopy analysis of SBP40 feed mixture revealed that the final product was more fragmented and scattered in nature than the initial raw waste.
Vermiremediation and detoxification of sugar beet pulp waste using Allium cepa bioassay
Bhat, Sartaj Ahmad (author) / Singh, Jaswinder (author) / Vig, Adarsh Pal (author)
Energy, Ecology and Environment ; 3 ; 242-249
2018-06-20
8 pages
Article (Journal)
Electronic Resource
English
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