Registration Dossier
Registration Dossier
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EC number: 410-510-9 | CAS number: 86753-82-4
Toxicity to terrestrial plants
Administrative data
- Endpoint:
- toxicity to terrestrial plants: long-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- other: Body responsible for the test
- Title:
- Unnamed
- Year:
- 2 001
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- other: International Standard ISO 11269-2: 1995(E), soil quality- Determination of the effects of pollutants on soil flora - part 2: Effects of chemicals on the emergence and growth of higher plants.
- GLP compliance:
- yes
Test material
Constituent 1
Test organisms
- Species:
- other: Avena sativa and Lactuca sativa
Study design
- Test type:
- seedling emergence toxicity test
- Study type:
- laboratory study
- Substrate type:
- artificial soil
- Total exposure duration:
- 17 d
- Remarks:
- A B-test of 20 d was conducted for Lactuca sativa
Test conditions
- Test temperature:
- 18-24°C
- pH:
- 7,0-7,2
- Moisture:
- 15,6-15,9
- Details on test conditions:
- Soil characteristics (e.g. pH, % organic matter):Carbon content : 0.71%Fine particle content (<20µm): 18.5+- 2.2%pH: 6.5 +- 0.2ca. 7% (w/w) industrial sand was used as a vehicle for thetest substance.
Results and discussion
Effect concentrationsopen allclose all
- Species:
- Avena sativa
- Duration:
- 17 d
- Dose descriptor:
- NOEC
- Effect conc.:
- > 1 000 mg/kg soil dw
- Basis for effect:
- seedling emergence
- Species:
- Lactuca sativa
- Duration:
- 17 d
- Dose descriptor:
- NOEC
- Effect conc.:
- > 1 000 mg/kg soil dw
- Basis for effect:
- seedling emergence
- Species:
- Lactuca sativa
- Duration:
- 20 d
- Dose descriptor:
- NOEC
- Effect conc.:
- > 1 000 mg/kg soil dw
- Basis for effect:
- seedling emergence
- Details on results:
- Method of recording the values for growth (units used): The plant weight per container was determined (wet weightimmediately after havest).Signs of toxicity:No phytotoxic effects were recorded during the test for allplant species.
Applicant's summary and conclusion
- Conclusions:
- Under the conditions of this terrestrial plant growth test no toxicity of the substance was observed at the limit concentration 1000 mg/kg dry soil in Lactura sativa and Avena sativa. After exposure to the substance the NOEC for the emergence of seedlings as well as for growth inhibition was >1000 mg/kg dry soil for both species tested.
- Executive summary:
Under the conditions of this terrestrial plant growth test no toxicity of the substance was observed at the limit concentration 1000 mg/kg dry soil in Lactura sativa and Avena sativa. After exposure to the substance the NOEC for the emergence of seedlings as well as for growth inhibition was >1000 mg/kg dry soil for both species tested.
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