7、ity,GansuLanzhou,730070)Abstract: High Performance Liquid Chromatography (HPLC) was used in the residue dynamics study and final residues of acetamiprid in Chinesecabbage. The results indicated that when itwas sprayed two or three times with acetamipri
8、d 5% wettable powder(WP) of 22.5 ga.i./hm2, at the first, second and third day after the last application, the final residues of acetamiprid were 0.7413-0.6133mg, 0.4981-0.3730mg and 0.2535-0.2196mg, respectively. In addition, the field