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Date Published: 10/10/2022
Online Published: 10/10/2022
Abstract Views: 60
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DOI: https://doi.org/10.52714/dthu.11.5.2022.982
Issue
Vol. 11 No. 5 (2022): Natural Sciences Issue (English)
Section
Natural Sciences Issue (English)
How to Cite
Nguyen, T. K. X., Nguyen, T. T., Ha, H. H. V., Tran, D. H., & Ha, D. D. (2022). Butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF). Dong Thap University Journal of Science, 11(5), 68-74. https://doi.org/10.52714/dthu.11.5.2022.982

Butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF)

Thi Kim Xuan Nguyen1, Thi Thanh Nguyen2, Huynh Hong Vu Ha2, Dat Huy Tran2, Danh Duc Ha2,
1 Faculty of Education, Bac Lieu University, Vietnam
2 Faculty of Agriculture and Environment Resources, Dong Thap University, Vietnam

Main Article Content

Abstract

utachlor has been extensively applied to control weeds, increasing food production and reducing labor. In this study, butachlor degradation by Pseudomonas sp. But1 and Pseudomonas sp. But2 immobilized in polyurethane foam (PUF) was determined to compare with degradation by free cells. The degradation percentages of the pure compound by Pseudomonas sp. But1 and Pseudomonas sp. But2 were 100% and 96% within 24 hours at a concentration of 50 mg/L, respectively. Meanwhile, butachlor degradation in an Cantanil 550EC herbicide was completely after 30 hours. The determination of butachlor degradation by bacteria immobilized in PUF showed that degradation rates of immobilized Pseudomonas sp. But1 were more effective than those of Pseudomonas sp. But1. Even though degradation rates by immobilized bacteria were decreased after long-term storage of 90 days, Pseudomonas sp. But2 immobilized in PUF could be used to degrade butachlor in liquid media.

Article Details

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Keywords

Butachlor, herbicide, immobilized bacteria, long-term storage, polyurethane foam

References

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