Use of compound, method of protection of plants against attack or infestation by insects, Arachnida or nematodes, method for control or the fight against insects, Arachnida or nematodes.Method for protection of propagating material of plant and seeds.

摘要

The present invention relates to agricultural methods and the use of 3-arylquinazolin-4-one derivatives of formula (I) wherein R1, R2, R3, R4, k and n are defined in the description in soil application methods. The compounds of the formula (I) are highly suitable for controlling animal pests such as insects and/or spider mites and/or nematodes by treating the soil/growth substrate by drenching or drip application or dipping or soil injection.