Registration Dossier

Administrative data

Endpoint:
toxicity to terrestrial plants: long-term
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
key study
Study period:
2009-07-31 to 2009-08-21
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 208 (Terrestrial Plants Test: Seedling Emergence and Seedling Growth Test)
Deviations:
no
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
no

Test substrate

Vehicle:
yes

Test organisms

open allclose all
Species:
Brassica napus
Plant group:
Dicotyledonae (dicots)
Species:
Avena sativa
Plant group:
Monocotyledonae (monocots)
Species:
Glycine max (G. soja)
Plant group:
Dicotyledonae (dicots)

Study design

Test type:
seedling emergence toxicity test
Study type:
laboratory study
Substrate type:
natural soil
Limit test:
yes
Total exposure duration:
21 d

Test conditions

Test temperature:
16 - 25 °C
pH:
5.4 +/- 0.1 (natural soil)
Nominal and measured concentrations:
1000 mg/kg soil dry weight (nominal)
Reference substance (positive control):
no

Results and discussion

Effect concentrationsopen allclose all
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: Growth and Seed Germination
Species:
Avena sativa
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: Growth and Seed Germination
Species:
Glycine max (G. soja)
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: Growth and Seed Germination
Reported statistics and error estimates:
The percent inhibition of biomass growth (shoot height, shoot fresh weight) and rate of emergence were calculated in relation to the control.

Applicant's summary and conclusion

Validity criteria fulfilled:
yes