1) The development of allelochemical of Ageratum conyzoides L. on insects was summarized in this paper.

2) Ethanol extracts of schisandra, wild ageratum pollen had the stronger inhibitory activity of tyrosinase to oxidize diphenol.

3) The relative allelopathic potential of volatile oil from Ageratum was decreased slightly under shady condition.

4) The invention relates to an ageratum herb gum; the gum comprises the extractive of ageratum and herb, which has the function of aroma and damp elimination.

5) Objective : To observe the effects of Ageratum - liquid on motility of rats.

6) Only one herbicide, isopropylamine salt of N-Phosphonomethyl glycine proved significantly to depress the colonization of Ageratum houstonianum, a dominant weed species in the experiment field.

7) Any of several other plants having flower clusters similar to the ageratum.