The impact was examined by the Institut for agricultural botany, Bonn, the strengthening effect was confirmed by them. The effect is based on two brassinosteroids (plant hormones), which are contained in the campion extract in a completely small quantity. The excerpt is certified from the biological federal Institution for land and forestry in Braunschweig. The active substances are in the seed. They cause faster growth and increased immune defense. Application against fungu infections, e.g. monilia, protects against flour rope with cucumbers, tobacco mosaic virus and the grey mould of the tomatoes. Wheat and rye yields rise around 20 - 40%. Germ buds can be treated for the first time 8-9 weeks according to germinating with it, cuttings only with alga fertilizer, according to it with campion extract, always in 2-3 the weekly distance. Home and outdoor plants profit likewise from the extract.