Tetramethylxylylene diisocyanate and pendimethalin microcapsules having a shell which is prepared from a polyamine having at least three amine groups

The present invention provides a composition comprising a microcapsule containing a polyurea shell and core, the core further comprises a pendimethalin, as well as the shell polymerization product of a polyamine having a tetramethylxylylene diisocyanate, and at least three amine groups include things, and the polymerization product, based on the weight of tetramethyl xylylene diisocyanate, the composition comprising less than 5 wt% of further isocyanate monomers polymerized form; a method for preparing a composition, water, pendimethalin, tetramethyl xylylene diisocyanate, and a method comprising the steps of contacting a polyamine; a method for controlling undesirable plant growth as well, composition, soil and / or undesired plants and / or as well in crop plants / or to a method to be applied to their environment. .BACKGROUND