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미나리, 시금치, 엇갈이배추 및 쪽파 중 살충제 Chlorantraniliprole의 잔류량 비교
조성찬 ( Sung-chan Cho ),이상협 ( Sang-hyeob Lee ),곽세연 ( Se-yeon Kwak ),홍성현 ( Seong-hyeon Hong ),김효정 ( Hyo-jeong Kim ),사커아니룻다 ( Aniruddha Sarker ),경기성 ( Kee-sung Kyung ),김태화 ( Tae-hwa Kim ),김장억 ( Jang-eok K 한국환경농학회 2018 한국환경농학회 학술대회집 Vol.2018 No.-
Different growth type of crops is one of major factors determining residual patterns of pesticides in them. In this study, residual characteristics of chlorantraniliprole in water dropworts (WD), spinach (SP), Korean cabbage (KC) and green onion (GO) which are different in leaf size and shape were investigated. Commercial chlorantraniliprole (5%, SG) was sprayed 2 times at interval of a week prior to harvest, and whole crop samples were collected at final application and harvest days. Residual amounts of chlorantraniliprole in the WD, SP, KC and GO were analyzed using HPLC-UVD, and recovery rates of chlorantraniliprole spiked with 0.4 and 2.0 mg/kg on the WD, SP, KC and GO ranged from 86.6 to 101.0%. Initial residual amounts of chlorantraniliprole were 0.51-1.26 mg/kg in WD, 0.47-2.41 mg/kg in SP, 0.32-1.86 in KC and 0.12-0.65 mg/kg in GO. These results show that initial amounts of chlorantraniliprole deposited on SP is the most amounts in four crops as opposed to GO and it may be 4 folds larger than those in GO, when assuming that weights of the SP and GO are same. Pesticides applied on SP and KC, which has wide and rough leaves, may have larger residual amount than those on WD and GO.