The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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A Comparison of Sensitivity of Four Freshwater Algae to Five Pesticides

5종 농약에 대한 4종 담수조류(freshwater algae)의 감수성 비교

  • Park, Yeon-Ki (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Kim, Byung-Seok (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Bae, Chul-Han (Agricultural Research Center, Hankooksamgong Co., Ltd.) ;
  • Kim, Yeon-Sik (Agricultural Research Center, Hankooksamgong Co., Ltd.) ;
  • Park, Kyung-Hoon (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Lee, Jea-Bong (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Shin, Jin-Sup (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Hong, Soon-Sung (Pesticide Safety Division, National Institute of Agricultural Science and Technology) ;
  • Lee, Kyu-Seung (Chungnam National University) ;
  • Lee, Jung-Joon (Daegu University)
  • 박연기 (농업과학기술원 농산물안전성부) ;
  • 김병석 (농업과학기술원 농산물안전성부) ;
  • 배철한 (한국삼공(주) 농업연구소) ;
  • 김연식 (한국삼공(주) 농업연구소) ;
  • 박경훈 (농업과학기술원 농산물안전성부) ;
  • 이제봉 (농업과학기술원 농산물안전성부) ;
  • 신진섭 (농업과학기술원 농산물안전성부) ;
  • 홍순성 (농업과학기술원 농산물안전성부) ;
  • 이규승 (충남대학교 농업생명과학대학) ;
  • 이정준 (대구대학교 사범대학)
  • Published : 2008.03.31
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Abstract

The purpose of the study was to determine the effects of isoprothiolane, diazinon, butachlor, dimethametryn and molinate in Selenastrum capriconurtum, Scenedesmus subspicatus, Chlorella vufgaris and Nitzschia palea during an exposure period of 72 hours. The study was carried out in according with the OECD Guidelines for Testing of Chemicals No 201 Alga, Growth Inhibition Test. The toxicological responses of isoprothiolane to S. capriconutum, S. subspicatus, C. vulgaris and N. palea expressed as in individual $ErC_{50}$ (Median Effective Concentration by growth rate) value, were 5.87, 9.91, $18.55 and 38.79\;mg\;L^{-1}$, respectively. Diazinone to S. capriconutum, S. subspicatus, C. vulgaris and palea expressed as in individual $ErC_{50}$ value, were 10.31, 11.44, >32 and $14.32\;mg\;L^{-1}$, respectively. Butachlor to S. capriconutum, S. subspicatus, C. vulgaris and N. plaea expressed as in individual $ErC_{50}$ value, were 0.002, 0.019, 8.67 and $4.94\;mg\;L^{-1}$, respectively. Dimethamelryn to S. subspicatus, C. vulgaris and N. palea expressed as in individual $ErC_{50}$ value, were 0.0071, 0.011, 0.0065 and $0.009\;mg\;L^{-1}$, respectively. Molinate to S. capriconutum, S. subspicatus, C. vulgaris and N. palea expressed as in individual $ErC_{50}$ value, were 0.44, 1.26, 48.84 and $28.52\;mg\;L^{-1}$, respectively. The sensitivities of five pesticides were different depending on freshwater alga in the order of S. capriconutum > S. subspicatus > C. vulgaris, N. palea. Highly significant correlation (r=0.9677) based on $ErC_{50}$ were found between S. capriconutum and S. subspicatus.

우리나라에서 사용되고 있는 벼재배용 농약 isoprothiolane, diazinon, butachlor, dimethametryn 그리고 molinate 등에 대한 녹조류 Selenastrum capricornutum, Scenedesmus subspicatus 그리고 Chlorella vulgaris와 규조류 Nitzschia palea의 생장저해시험 결과, isoprothiolane에 대한 S. capricornutum, S. subspicatus, C. vulgaris 그리고 N. palea의 72시간 $ErC_{50}$은 각각 5.87, 9.91, 18.55 그리고 $38.79\;mg\;L^{-1}$이었고, diazinon의 S. capricornutum, S. subspicatus, C. vulgaris 그리고 N. palea에 대하여 72시간 $ErC_{50}$은 각각 10.31, 11.44, >32 그리고 $14.32\;mg\;L^{-1}$이었다. Butachlor에 대한 S. capricornutum, S. subspicatus, C. vulgaris, 그리고 N. palea의 72시간 $ErC_{50}$은 각각 0.002, 0.019, 8.67, 그리고 $4.94\;mg\;L^{-1}$이었고, dimethametryn의 S. capricornutum, S. subspicatus, C. vulgaris 그리고 N. palea에 대한 72시간 $ErC_{50}$은 각각 0.0071, 0.011, 0.0065 그리고 $0.009\;mg\;L^{-1}$이었다. 또한 Molinate에 대한 S. capricornutum, S. subspicatus, C. vulgaris 그리고 N. palea의 72시간 $ErC_{50}$은 각각 0.44, 1.26, 48.84 그리고 $28.52\;mg\;L^{-1}$이었다. 5종 농약에 대한 4종 조류의 감수성 차이는 S. capriconutum > S. subspicatus > C. vulgaris, N. palea 순이었고, 녹조류 S. capricornutum와 S. subspicatus는 높은 감수성 상관관계(r=0.9677)를 보였다.

Keywords

References

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