Synergism of chlorpyrifos against the German cockroach, Blattella germanica.

Journal Article (Journal Article)

Of fifteen compounds tested as synergists for chlorpyrifos against susceptible and resistant strains of Blattella germanica, the German cockroach, eleven were active against the resistant strain but only seven were synergistic against the susceptible strain. Overall, the most effective synergist was S,S,S-tributyl phosphorotrithioate (DEF) followed by phenyl saligenin cyclic phosphonate (PSCP) and two substituted N,N-dimethylcarbamates: SK-102 and SK-37. The most effective synergist for overcoming chlorpyrifos resistance was SK-37 which reduced the resistance ratio by 3.2-fold. Four other synergists which reduced chlorpyrifos resistance, in order of their effectiveness, were: SK-102 > PSCP > DEF > tridiphane. The potential usefulness of these synergists for German cockroach control is discussed.

Full Text

Duke Authors

Cited Authors

  • Dong, K; Scott, JG

Published Date

  • July 1992

Published In

Volume / Issue

  • 6 / 3

Start / End Page

  • 241 - 243

PubMed ID

  • 1384807

Electronic International Standard Serial Number (EISSN)

  • 1365-2915

International Standard Serial Number (ISSN)

  • 0269-283X

Digital Object Identifier (DOI)

  • 10.1111/j.1365-2915.1992.tb00612.x


  • eng