| 摘要 |
<p>The object of the invention is a plant conditioning preparation of natural origin, for the protection of cultivated crops, mainly pepper, tomato, cucumber, grape-vine and pomes against pests, characterized that the preparation - optionally with one or more additives and/or excipients, known per se - contains pooled water extracts of the following four plants a/ Willows (Salicaceae), b/ Birches (Betulaceae), c/ Nuts (Junglandaceae) and d/ Nettles (Urticaceae), wherein the amount of the combined extracts of a/ and b/ amounts to at least 50 w%, the amount of c/ and d/ each amounts to at least 10-40 w%, but altogether at most 50 % of the spray, wherein the extracts are prepared from at least 20 w% plant parts prepared with at most 80 w% water. Additionally the object of the invention is the use of the plant conditioning preparation, characterized that the preparation is used at the site of application as a 0,1-5% diluted water spray.</p> |
