A new fluorescent oligonucleotide probe for in situ detection of s-triazine-degrading Rhodococcus wratislaviensis in contaminated groundwater and soil samples.

A bacterial strain (FPA1) capable of using terbuthylazine, simazine, atrazine, 2-hydroxysimazine, deethylatrazine, isopropylamine or ethylamine as its sole carbon source was isolated from a shallow aquifer chronically contaminated with s-triazine herbicides. Based on its 16S rDNA sequence analysis, the strain FPA1 was identified as Rhodococcus wratislaviensis. The disappearance time of 50% of the initial terbuthylazine concentration in the presence of this strain (DT(50)) was 62days.

Degradation of oxadiazon in a bioreactor integrated in the water closed circuit of a plant nursery.

Hardy ornamental nursery stock (HONS) use fertigation as a rational supply of nutrients all along the growth cycle of plants. Nevertheless, that frequency of irrigation increases the risks of nutrient and herbicide leaching and subsequent contamination of the waste water. Therefore, systems of water treatment are required in plant nurseries.