| abstract |
The present invention relates to a nematocide claim having a nematocide activity against pests of Bursaphelenchus xylophilus which significant damage to pine, a refinery has a nematocide force for more particularly Bursaphelenchus xylophilus (Bursaphelenchus xylophilus) azo Wan (ajowan) , all shows a spice (allspice), cyano droplets (litsea), koriandeo (coriander), styryl flux (styrax) and ballerina (valerina) the nematocide comprises an essential oil extracted from one or more plants selected from the group consisting of. |