SYMPOSIA PAPER Published: 01 June 1979
STP34980S

Laboratory Method for Determining the Lethal Exposure Time (LET ) of Contact Avicides Used in Wicked-Perches

Source

A lethal exposure time50 (LET50) test was developed for laboratory use to provide a toxicological basis for the testing of acute contact avicides in wickedperches such as the Rid-A-Bird perch system. The LET50 measurement expresses the toxicity of particular concentrations of avicides that are exposed in such a manner as a function of exposure (contact) time. The correlation between field efficacy and our laboratory test should be excellent since the laboratory measurement of an avicide's dermal toxicity is carried out under conditions that simulate field exposure.

Author Information

Nichols, CS
Crop Care Associates, Inc., Fresno, Calif
Crabb, AC
BlueBird Enterprises, Fresno, Calif
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Details
Developed by Committee: E35
Pages: 240–245
DOI: 10.1520/STP34980S
ISBN-EB: 978-0-8031-4748-5
ISBN-13: 978-0-8031-0594-2