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EC number: 477-690-9 | CAS number: 874819-71-3
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- Ecotoxicological Summary
- Aquatic toxicity
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- Short-term toxicity to fish
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Field studies
Administrative data
- Endpoint:
- field studies
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Study period:
- 2005-03-21 - 2006-06-07
- Reliability:
- 2 (reliable with restrictions)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: European Community Guideline 7029/VI/95 - rev.5, 22/07/97
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of measurement:
- Residues of P101/04
Test material
- Reference substance name:
- -
- EC Number:
- 477-690-9
- EC Name:
- -
- Cas Number:
- 874819-71-3
- Molecular formula:
- Hill formula: C6H9N4O3P CAS formula: C6H9N4O3P
- IUPAC Name:
- N-(diaminophosphoryl)-2-nitroaniline
- Test material form:
- solid: crystalline
Constituent 1
Results and discussion
Any other information on results incl. tables
No residues of P101/04 above the limit of quantitation were found in any of the untreated specimens.
Residue Concentrations:
A summary of the residues of P101/04 is given in the following table: |
Crop |
Specimen |
Number of |
Growth |
Sampling timing |
P101/04 |
|
|
specimens |
stage |
DALA |
mg/kg |
|
|
|
BBCH |
|
|
winter wheat |
whole plant without roots |
8 |
32 |
0 |
<0.01 |
|
whole plant without roots |
8 |
57-59 |
33 - 59 |
<0.01 |
|
whole plant without roots |
8 |
72-73 |
48-75 |
<0.01 |
|
grain |
8 |
89-91 |
107 - 124 |
< 0.01 |
|
straw |
8 |
89-91 |
107 - 124 |
< 0.05 |
winter rape |
whole plant without roots |
8 |
51 -62 |
0 |
0.010-0.020 |
|
whole plant without roots |
8 |
53-63 |
6 - 12 |
0.014-0.058 |
|
whole plant without roots |
8 |
69 |
34-41 |
<0.01 |
|
seed |
8 |
89-91 |
95 - 104 |
< 0.01 |
The residues of P101/04 in all of the analysed specimens in winter wheat were below the limit of quantitation.
The residues of P101/04 in winter rape at BBCH 51 - 62 (0 DALA) were 0.010 - 0.020 mg/kg. They increased to 0.014 - 0.058 mg/kg at BBCH 53 - 63 (6 - 12 DALA) and decreased at the subsequent two samplings to residues below the limit of quantitation.
Applicant's summary and conclusion
- Conclusions:
- The residues of P101/04 in all of the analysed specimens in winter wheat were below the limit of quantitation.
The residues of P101/04 in winter rape at BBCH 51 - 62 (0 DALA) were 0.010 - 0.020 mg/kg. They increased to 0.014 - 0.058 mg/kg at BBCH 53 - 63 (6 - 12 DALA) and decreased at the subsequent two samplings to residues below the limit of quantitation. - Executive summary:
During the growing season of 2005, four field trials each of winter wheat and winter rape were treated with the urease inhibitor P101/04 in Germany. Two plots were chosen at each location: Winter wheat: Plot U (control): treated twice, each time with 239 kg/ha of PI AG RAN 46 (110 kg N/ha) Plot T (treated): treated twice, each time with 239 kg/ha of P 8/05/F-2 (110 kg N/ha and 0.124 kg P101/04/ha) The first application took place at the beginning of vegetation and the second at BBCH 32. Winter rape: Plot U (control): treated twice, 1st treatment with 304 kg/ha of PIAGRAN 46 (140 kg N/ha) and 2nd treatment with 217 kg/ha of PIAGRAN 46 (100 kg N/ha) Plot T (treated): treated twice, 1st treatment with 304 kg/ha of P 8/05/F-2 (140 kg N/ha and 0.158 kg P101/04/ha) and 2nd treatment with 217 kg/ha of P 8/05/F-2 (100 kg N/ha and 0.113 kg P101/04/ha) The first application took place at the end of March and the second one 3 - 4 weeks after the 1st application.
No residues of P101/04 above the limit of quantitation were found in any of the ntreated specimens.
The residues of P101/04 in all of the analysed specimens in winter wheat were below the limit of quantitation.
The residues of P101/04 in winter rape at BBCH 51 - 62 (0 DALA) were 0.010 - 0.020 mg/kg. They increased to 0.014 - 0.058 mg/kg at BBCH 53 - 63 (6 - 12 DALA) and decreased at the subsequent two samplings to residues below the limit of quantitation.
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