| abstract |
The invention relates to novel compounds of formula (I), wherein W, X, Y, Z, A, B, D, Q<SUP>1</SUP>, Q<SUP>2</SUP>, and G have the meanings indicated in the description, several methods and intermediate products for the production thereof, the use thereof as pesticides and/or herbicides and/or fungicides, as well as selectively herbicidal agents containing 3'-alkoxy-spirocyclopentyl-substituted tetramic and tetronic acids of formula (I) and at least one compound that improves plant tolerance. Also disclosed are a way to increase the effect of crop protection products containing agents from the class of 3'-alkoxy-spirocyclopentyl-substituted tetramic and tetronic acids of formula (I) by adding ammonium salts and/or phosphonium salts or adding ammonium salts or phosphonium salts and permeation enhancers, the corresponding agents, methods for the production thereof, and the use thereof in crop protection. |