The pathgen of verticillum dahli ae from eggplant was cultured inmedium of Czapek's,the filtrate and raw toxin s olution was respectively obtained by filtration and dialysis of the medium solut ion.The tests of toxicity of the solution were carried out in seeds germination, seedling root growth and the seedling wilting in sesitive and resistant varietie s of eggplant.The results showed that the toxicity was exist in a certain degree .