Registration Dossier

Ecotoxicological information

Toxicity to soil microorganisms

Currently viewing:

Administrative data

Endpoint:
toxicity to soil microorganisms
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Unsuitable test system

Data source

Reference
Reference Type:
publication
Title:
A chemotherapeutic treatment for selectively eradicating crown gall and olive knot neoplasms.
Author:
Schroth MN, Hildebrand DC
Year:
1968
Bibliographic source:
Phytopathol. 58, 848-854.

Materials and methods

Test guideline
Qualifier:
no guideline required
Principles of method if other than guideline:
Test on bactericidal and bacteristatic activity of cresols and other substances on bacterial tumors of cultivated plants
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
purity not specified

Test organisms

Test organisms (inoculum):
other: tomato crown gall tumors and other plant neoplasms

Study design

Total exposure duration:
14 d
Remarks:
observation period

Results and discussion

Details on results:
All cresols (1.5% v/v) scored 3-4 on ratings of 0 = no injury within 14d to 5 = complete kill of plant (Lycopersicum esculentum) tumor tissue (caused by Agrobacterium tumefaciens). Other tests indicated that they are also effective against plant diseases caused by Pseudomonas savastanoi.

Any other information on results incl. tables

moderately toxic to Agrobacterium tumefaciens and Pseudomonas savastanoi

Applicant's summary and conclusion