Biodegradation of phorate in soil and rhizosphere of Brassica juncea (L.) (Indian Mustard) by a microbial consortium
- 作者：Radha Rani ; raadharaani1982@gmail.com ; Asha Juwarkar
- 关键词：Phorate ; Biodegradation ; Brassica juncea ; Rhizosphere ; Soil ; Microbial consortium
- 刊名：International Biodeterioration and Biodegradation
- 出版年：2012
- 期刊代码：37_09648305
- 类别：ms
- 出版时间：July, 2012
- 卷：71
- 期：Complete
- 页码：36-42
- 文件大小：438 K
摘要
The investigation was carried out to assess the potential of bacterial isolates to degrade phorate in soil and to study the effect of presence of plants, Brassica juncea, on the biodegradation process. The bacterial consortium consisting of three isolates viz. Ralstonia eutropha, Pseudomonas aeruginosa and Enterobacter cloacae obtained by enrichment on phorate could degrade it up to 73聽卤聽3%in aqueous medium and 55聽卤聽4%in a sandy loam soil. The degradation of phorate by the consortium in the soil was increased up to 64聽卤聽5%in the presence of B.聽juncea. Biodegradation of phorate in soil in presence of plants alone was 38聽卤聽4%as compared to 15聽卤聽2%in controls. Additionally, all the three isolates were found to possess plant growth promoting potential. Thus, the isolates can be used for remediation of sites contaminated with phorate and other organophosphates. B.聽juncea may be a potential plant for phytoremediation and rhizoremediation of such sites.