dalmatian chrysanthemum
1.Spraying the solution of 250 times Dalmatian chrysanthemum laundry detergent (1∶2) with 200 times Bathurin is an effective method to kill all the insects.
2.Methodology: Random sampling in the designated sites in the vegetable producing bases was conducted to collect 120 samples; Gas chromatography and gastity joining flocculus were adopted to test residues of 13 kinds of agro-chemicals such as organic Phosphorus,organic Chlorine and Dalmatian Chrysanthemum Ester remaining on vegetables from the producing bases,free markets and wholesale markets of Hezhou ciaty.
