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Ecotoxicological information

Toxicity to terrestrial plants

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Link to relevant study record(s)

Reference
Endpoint:
toxicity to terrestrial plants: short-term (with study design considered suitable for long-term assessment)
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 208 (Terrestrial Plants Test: Seedling Emergence and Seedling Growth Test)
Version / remarks:
-
Deviations:
no
GLP compliance:
yes
Analytical monitoring:
not required
Details on sampling:
see attached study report
Vehicle:
no
Details on preparation and application of test substrate:
see attached study report
Species:
Avena sativa
Plant group:
Monocotyledonae (monocots)
Details on test organisms:
see attached study report
Species:
Allium cepa
Plant group:
Monocotyledonae (monocots)
Details on test organisms:
see attached study report
Species:
Beta vulgaris
Plant group:
Dicotyledonae (dicots)
Details on test organisms:
see attached study report
Species:
Brassica napus
Plant group:
Dicotyledonae (dicots)
Details on test organisms:
see attached study report
Species:
Daucus carota
Plant group:
Dicotyledonae (dicots)
Details on test organisms:
see attached study report
Species:
Glycine max (G. soja)
Plant group:
Dicotyledonae (dicots)
Details on test organisms:
see attached study report
Test type:
seedling emergence and seedling growth test
Study type:
laboratory study
Substrate type:
natural soil
Total exposure duration:
14 d
Remarks:
14 to 21 days after 50 % emergence of the seedlings in the control group, from 2016-11-21 to 2016-12-12; onion and carrot prolonged until 2016-12-19
Post exposure observation period:
see attached study report
Test temperature:
see attached study report
pH:
see attached study report
Moisture:
see attached study report
Details on test conditions:
see attached study report
Nominal and measured concentrations:
see attached study report
Reference substance (positive control):
no
Key result
Species:
Avena sativa
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
>= 10 000 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: no effect registered (Shoot Height, Shoot Fresh Weight, Number of Emerged Seedlings)
Key result
Species:
Allium cepa
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
>= 1 000 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: no effect registered (Shoot Height, Shoot Fresh Weight, Number of Emerged Seedlings)
Key result
Species:
Beta vulgaris
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
125 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: Shoot Fresh Weight:
Key result
Species:
Brassica napus
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
>= 1 000 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: no effect registered (Shoot Height, Shoot Fresh Weight, Number of Emerged Seedlings)
Key result
Species:
Daucus carota
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
125 mg/kg soil dw
Nominal / measured:
meas. (initial)
Conc. based on:
test mat.
Basis for effect:
other: Shoot Height
Key result
Species:
Glycine max (G. soja)
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
>= 1 000 ng/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: no effect registered (Shoot Height, Shoot Fresh Weight, Number of Emerged Seedlings)
Details on results:
see attached study report
Results with reference substance (positive control):
see attached study report
Reported statistics and error estimates:
see attached study report

see attached study report

Validity criteria fulfilled:
yes
Conclusions:
No test item related visual phytotoxic effects and mortality occurred during the test period for all tested plant species.

Description of key information

OECD 208, GLP, lowest NOEC, Shoot Fresh Weight: 125 mg/ kg soil, No effect registered for Shoot Height, Shoot Fresh Weight, Number of Emerged Seedlings: NOEC > 1000 mg/kg soil

Key value for chemical safety assessment

Short-term EC50 or LC50 for terrestrial plants:
125 mg/kg soil dw

Additional information

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