METHOD OF APPLYING AN ACTIVE SUBSTANCE TO PLANTS AND A SUITABLE PREPARATION

摘要

PCT No. PCT/EP96/05823 Sec. 371 Date Jul. 15, 1998 Sec. 102(e) Date Jul. 15, 1998 PCT Filed Dec. 23, 1996 PCT Pub. No. WO97/25863 PCT Pub. Date Jul. 24, 1997A method of applying a layer-form active ingredient depot with delayed release of active ingredients to plants or plant parts, having at least one pressure-sensitively adhering matrix layer (A) which comprises active ingredient and is in two-dimensional contact with the plant surface, and one back layer (B) which is essentially free from and impermeable to active ingredient and is on the side remote from the plant is characterized in that the layer (A) is produced by painting in the desired two-dimensional pattern at the site of application on the plant from a spreadable, pressure-sensitively adhering, polymer-based composition which comprises active ingredient and then on the said layer (A) the layer (B) is produced by painting or spraying.