Transfer of Atrazine Degradation Capability To Mineralize Aged 14C-Labeled Atrazine Residues in Soils

被引:10
|
作者
Jablonowski, Nicolai David [1 ]
Krutz, Jason L. [2 ]
Martinazzo, Rosane [3 ]
Zajkoska, Petra [4 ]
Hamacher, Georg [5 ]
Borchard, Nils [6 ]
Burauel, Peter [7 ]
机构
[1] Forschungszentrum Julich, Inst Bio & Geosci, Plant Sci IBG 2, D-52425 Julich, Germany
[2] Mississippi State Univ, Delta Res & Extens Serv, Stoneville, MS 38776 USA
[3] Brazilian Agr Res Corp, Embrapa Temperate Agr, BR-96010971 Pelotas, Brazil
[4] Slovak Univ Technol Bratislava, Fac Chem & Food Technol, Inst Biotechnol & Food Sci, Bratislava 81237 1, Slovakia
[5] Carpus Partner AG, D-52074 Aachen, Germany
[6] Forschungszentrum Julich, Inst Bio & Geosci, Agrosphere IBG 3, D-52425 Julich, Germany
[7] Forschungszentrum Julich, D-52425 Julich, Germany
关键词
atrazine; soils; adaption; transfer; mineralization; ENHANCED BIODEGRADATION; ADAPTED SOILS; WEED-CONTROL; FIELD; DISSIPATION; PERSISTENCE; C-14-ATRAZINE; MISSISSIPPI; NAPROPAMIDE; METOLACHLOR;
D O I
10.1021/jf4010059
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The degradation of environmentally long-term aged (22 years) C-14-labeled atrazine residues in soil stimulated by inoculation with atrazine-adapted soil from Belgium, the United States (U.S.), and Brazil at two different moisture regimes (50% WHCmax/slurried conditions) was evaluated. Inoculation of the soil containing the aged C-14-labeled atrazine residues with 5, 50, and 100% (w/w) Belgian, U.S., or Brazilian atrazine-adapted soil increased C-14-atrazine residue mineralization by a factor of 3.1-13.9, depending upon the amount of atrazine-adapted soil inocula and the moisture conditions. Aged C-14-atrazine residue mineralization varied between 2 and 8% for Belgian and between 1 and 2% for U.S. and Brazilian soil inoculum at 50% WHCmax but was increased under slurried conditions, accounting for 8-10% (Belgian soil), 2-7% (Brazilian soil), and 3% (American soil). The results show that an increased degradation of long-term aged C-14-labeled atrazine residues is possible by the transfer of atrazine-adapted soil microflora from different soils and regions to non-adapted soil.
引用
收藏
页码:6161 / 6166
页数:6
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