Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Toxicity to terrestrial plants
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to terrestrial plants: short-term
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 208 (Terrestrial Plants Test: Seedling Emergence and Seedling Growth Test)
- GLP compliance:
- yes
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Test type:
- other: seedling emergence toxicity and seedling growth toxicity
- Study type:
- laboratory study
- Total exposure duration:
- 21 d
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- LC50
- Effect conc.:
- > 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- EC50
- Effect conc.:
- > 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth
- Details on results:
- Method of recording the values for growth (units used): Shoot mean dry weigh comparison to control
Signs of toxicity:
None - Conclusions:
- The 21 day EC50 for the test substance to Glycine max, cucumis sativa and allium cepa was >1000 mg/kg. The No Observed Effect Concentration was 1000 mg/kg.
- Endpoint:
- toxicity to terrestrial plants: short-term
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: read across to K1 study
- Reason / purpose for cross-reference:
- read-across source
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Test type:
- other: seedling emergence toxicity and seedling growth toxicity
- Study type:
- laboratory study
- Total exposure duration:
- 21 d
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- LC50
- Effect conc.:
- > 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- seedling emergence
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- EC50
- Effect conc.:
- > 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth
- Species:
- other: Glycine max, cucumis sativa and allium cepa
- Duration:
- 21 d
- Dose descriptor:
- NOEC
- Effect conc.:
- 1 000 other: mg/kg
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth
- Details on results:
- Method of recording the values for growth (units used): Shoot mean dry weigh comparison to control
Signs of toxicity:
None - Conclusions:
- The 21 day EC50 for the test substance to Glycine max, cucumis sativa and allium cepa was >1000 mg/kg. The No Observed Effect Concentration was 1000 mg/kg.
Referenceopen allclose all
Description of key information
LC50 (emergence) and EC50 (growth) to soybean (Glycine max), to cucumber (Cucumis sativa), and to onion (Allium cepa) based on nominal test concentrations were greater than 1000 mg/kg.
Key value for chemical safety assessment
- Short-term EC50 or LC50 for terrestrial plants:
- 1 000 mg/kg soil dw
Additional information
A study was performed to assess the effects of the test material on the emergence and growth of three plant species. The method followed that described in the OECD Guidelines for Testing of Chemicals: Guideline 208: Terrestrial (Non-target) Plant Test: Seedling Emergence and Seedling Growth Test.
Three plant species (Glycine max, cucumis sativa and allium cepa) were exposed to concentrations up to 1000 mg/kg. The number of seedlings emerged and any mortalities and/or morphological abnormalities were determined daily for 21days after 50% emergence in the control for each species.
The 21 day EC50 for the test material to Glycine max, cucumis sativa and allium cepa was >1000 mg/kg. The No Observed Effect Concentration was 1000 mg/kg.
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