시설재배 고추중 Bitertanol 및 Tebuconazole 잔류양상 = Residues and Half-lives of Bitertanol and Tebuconazole in Greenhouse-Grown Peppers

다국어 초록 (Multilingual Abstract)

Persistence of the triazole fungicides, bitertanol and tebucnazole was investigated after their application at
recommended and double rate on greenhouse-grown peppers. The half-life of bitertanol and tebuconazole on peppers
at recommended and double rate was 5.2~6.1 and 4.6~5.2 days, respectively. Half-lives of bitertanol and tebuconazole
on pepper leaves (16.8~22.5 days) was longer than those in the peppers. Residual concentration of bitertanol and
tebuconazole on pepper leaves 24 days after application were 10.1 and 17.5 mg/kg, respectively, and these levels were
higher than MRL which had been established at 3.0 and 5.0 mg/kg in Korea. Pattern of dissipation was well fitted
to the first-order kinetics. In household washing experiment with surfactant, dislodgeable portions on pepper leaves
of bitertanol and tebuconazole were occupied 36% and 48% of the residues found 24 days after application.

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