Registration Dossier
Registration Dossier
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EC number: 211-659-0 | CAS number: 682-01-9
Additional ecotoxological information
Administrative data
- Endpoint:
- additional ecotoxicological information
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: The study was conducted according to acceptable scientific principles however it is not conducted according to or similar to a standard guideline. No mention of GLP.
Data source
Reference
- Reference Type:
- publication
- Title:
- Absorption of aqueous inorganic and organic silicon compounds by wheat and their effect on growth and powdery mildew control.
- Author:
- Cote-Beaulieu, C. Chain, F. Menzies, J.G. Kinrade, S.D. Belanger, R.R.
- Year:
- 2 009
- Bibliographic source:
- Environmental and experimental botany, 65: 155-161
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- GLP compliance:
- no
Test material
- Reference substance name:
- Silicic acid
- EC Number:
- 215-683-2
- EC Name:
- Silicic acid
- Cas Number:
- 1343-98-2
- IUPAC Name:
- oxosilanediol
- Details on test material:
- - Name of test material (as cited in study report): potassium silicate
- Other: Kasil #6, National Silicates, Toronto, ON, Canada.
Constituent 1
Results and discussion
Applicant's summary and conclusion
- Conclusions:
- Triticum aestivum (wheat) seeds phytotoxicity in the presence of silicic acid was assessed by watering the plants with 0.17 mM of Si(OH)4 for 10 days after germination, 1 L/week. In addition a hydroponic system was set up to assess the effects of silicic acid on the protection of wheat from mildew . Silicic acid did not induce any phtotoxicity effects based on visual observation of plant growth and devlopment. The test substance did offer protection against powdery mildew based on percentage leaf coverage.
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