The invention discloses a heteromorphism dactylarin agent and appliance with nematolog killing function in the microbe pesticide technology domain, which is characterized by the following: producing Dactylell avarietas YMF1.00118 strain; preparing the culture medium with 0.1 percent glucose, 0.1 percent ammonia sulfate, 0.05 percent magnesium sulfate, 0.001 percent ferrous sulfate and 1000 ml potato liquid at pH 6.5. The extraction method of nematolog killing effective component comprises the following steps: filtering the ferment culture material; condensing the supernatant through ammonia sulfate. The invention possesses high poinsonous force for all-teeth revival nematolog and nice rob-hinding nematolog, which displays good applying prospect. |