| abstract |
The invention relates to novel compounds of formula (I), where W, X, Y, Z, A, and G have the meanings indicated above, to a plurality of methods and intermediate products for producing same, and to the use thereof as pesticides and/or herbicides and/or fungicides. The invention further relates to selective herbicidal agents comprising spiroheterocyclic substituted tetramic acid derivatives and a compound improving compatibility with useful plants. The invention further relates to increasing the effectiveness of pesticides in particular comprising spiroheterocyclic substituted tetramic acid derivatives, by adding ammonium or phosphonium salts and optionally penetration promoters, to the corresponding agents, to a method for producing same, and to the use thereof in pest control as insecticides and/or acaricides and/or fungicides and/or for preventing unwanted plant growth. |