| abstract |
The invention provides a quinone compound isolated from plants of the genus Rubia (Rubia), which is used as a nematicide, a pesticide composition using it as an active ingredient, its preparation method and its application in the preparation of a nematicide pesticide, belonging to pesticides technology field. Rubiasin D (1), 2-methoxy-1,4-naphthoquinone (2) and 1,4-naphthoquinone (3) of the present invention are all quinone derivatives isolated from Rubia wallichiana, and Nematicidal activity was shown in the anti-nematode activity test by the liquid immersion method. The invention can be used as the preparation of nematicide preparations and precursor substances. The invention has the advantages of environmental friendliness, low cost, obvious nematode poisoning effect and the like. |