אסיף מאגר המחקר החקלאי

Acaricidal properties of di-(p-chlorophenyl)-trifluoromethylcarbinol

Year:

1961

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Volume :

191

Co-Authors:

Ascher, K.R.S., Department of Toxicology, National and University Institute of Agriculture, Beit-Dagan, Rehovot, Israel
Cwilich, R., Department of Toxicology, National and University Institute of Agriculture, Beit-Dagan, Rehovot, Israel

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Abstract:

Di-(p-chlorophenyl)-trifluoromethylcarbinol, (Cl.C 6H 4) 2C(OH).CF 3 1,2, has several interesting biological properties : it is a synergist for DDT in the house-fly 1,3-5 and inhibits oviposition, on tarsal contact, in house-flies 6 and mosquitoes 7. Since it is the fluorine analogue of two acaricides, namely DMC [di-(p-chlorophenyl)-methylcarbinol] and 'Kelthane' [di-(p-chlorophenyl)-trichloromethylcarbinol], it seemed interesting to assay also its acaricidal properties. The compound was tested against adult females of the red spider mite Tetranychus telarius L. on beans, by a method described recently 8, and was compared with the commercial acaricides 'Kelthane' and chlorobenzilate (ethyl p,p′-dichlorobenzilate). The activity of the fluorine compound was intermediate between those of 'Kelthane' and chlorobenzilate (Table 1). © 1961 Nature Publishing Group.

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