Registration Dossier

Administrative data

Endpoint:
toxicity to terrestrial plants: long-term
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Data from reliable database.

Data source

Reference
Reference Type:
publication
Title:
Pre-emergent Herbicidal Activity of Some Substituted Amides and Related Compounds
Author:
Pizey JS and Wain RL
Year:
1959
Bibliographic source:
J Sci Food Agric 10: 577-584

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
no guideline followed, short-term germination test
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- test substance: N-Methylacetamide

Sampling and analysis

Analytical monitoring:
not specified

Test substrate

Vehicle:
not specified

Test organisms

Species:
Triticum aestivum
Plant group:
Dicotyledonae (dicots)

Study design

Test type:
seed germination/root elongation toxicity test
Study type:
laboratory study
Substrate type:
other: filter paper in test solution
Limit test:
no
Total exposure duration:
36 h

Test conditions

Test temperature:
25°C
Details on test conditions:
- A study of 1.50 day(s) duration using culture media was conducted in a Lab site location with Triticum aestivum (Bread wheat).
- The seed(s) were exposed for a duration of 1.50 day(s) to N-Methylacetamide (CAS 79-16-3) through a dipped or soaked exposure route - dose: 100 ppm
- response site: root
- effect measurement: size
Reference substance (positive control):
not specified

Results and discussion

Effect concentrations
Species:
Triticum aestivum
Duration:
36 h
Dose descriptor:
EC10
Effect conc.:
ca. 150 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
other: root length

Any other information on results incl. tables

No effect on growth of roots (size).


Applicant's summary and conclusion