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Biological Half-lives of Fungicides in Korean Melon under Greenhouse Condition

시설재배 참외 중 살균제의 생물학적 반감기

  • Lee, Ju-Hee (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Jeon, Young-Hwan (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Shin, Kab-Sik (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Kim, Hyo-Young (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Park, Eun-Jeong (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Kim, Tae-Hwa (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University) ;
  • Kim, Jang-Eok (Division of Applied Biosciences, College of Agriculture and Life Sciences Kyungpook National University)
  • 이주희 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 전영환 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 신갑식 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 김효영 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 박은정 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 김태화 (경북대학교 농업생명과학대학 응용생명과학부) ;
  • 김장억 (경북대학교 농업생명과학대학 응용생명과학부)
  • Published : 2009.12.30

Abstract

This study was conducted to know the biological half-lives and dissipation patterns of fungicides, pyrimethanil, chlorothalonil and tetraconazole in Korean melon under green house condition. The instrument for analyzing pyrimethanil and chlorothalonil was HPLC equipped with UV detector. Initial residue amounts of pyrimethanil were 0.16 mg/kg at recommended rate and 0.28 mg/kg at double recommended rate in Korean melon. The biological half-lives of pyrimethanil were 11.2 days at recommended rate and 10.1 days at double recommended rate in Korean melon. In case of chlorothalonil, initial residue amounts of chlorothalonil were 0.06 mg/kg at recommended and 0.11 mg/kg at double recommended rate in Korean melon. The biological half-lives of chlorothalonil in Korean melon were 3.4 days at recommended rate and 6.6 days at double recommended rate. The instrument for analyzing tetraconazole was GLC equipped with electron capture detector. Initial residue amounts of tetraconazole were 0.14 mg/kg at recommended and 0.22 mg/kg at double recommended rate in Korean melon, respectively. The biological half-lives of tetraconazole were 9.6 days at recommended rate and 18.5 days at double recommended rate in Korean melon.

Keywords

References

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