Abstract:

In order to clarify the effect of abamectin after mixing with bactericides. We measured the mortality of abamectin of abamectin mixed with 5 bactericides against Tetranyclus urticae Koch. by slide-dipping in the lab. The results revealed that effects against T. urticae of abamectin (LC50=0.080 mg/L) mixed with cercobinm, difenoconazole, tebuconazole at the concentrations of 700-87.5 mg/L, 200-12.5 mg/L and 688-43 mg/L respectively showed obviously synergism. There was no influence on the mortality as the bactericide dose decreased, while was antagonism trend as the bactericide dose increase, abamectin mixed with evil ketone flusilazol showed additive action, while mixed with abamectin and carbendazim, mancozeb showed minus effect function.