NATURAL PLANT PROTECTION AGENT OR REPELLENT

摘要

The invention relates to a plant protection agent or repellent for protecting cultivated plants or ornamental plants from pests. Said plant protection agent or repellent contains an effective dosage of at least one protopine alkaloid, particularly α-allocryptopine, preferably in combination with one or several alkaloids selected among the group comprising benzophenanthridine alkaloids, berberis-type alkaloids, coptis-type alkaloids, and the mixtures thereof.