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二化螟虫과 끝동매미충의 藥劑抵抗性 KCI 등재

Chemical Resistance of Striped Rice Borer, Chilo suppressalis, and Green Rice Leafhopper, Nephotettix cincticeps

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한국응용곤충학회지 (Korean Journal of Applied Entomology)
한국응용곤충학회 (Korean Society Of Applied Entomology)
초록

벼의 주요해충의 효율적인 방제법을 확립하기 위하여 관용살충제인 유기인제계의 MPP제, Diazinon제와 Carbamate 제계의 NAC제에 대해 여러 지역의 이화명충 (Chilo suppressalis W.)과 끝동매미충(Nephotettix cincticeps U.)의 저항성 수준 및 분포를 조사한 결과 가. MPP제에 대한 이황명충은 조암, 수원, 이천계통이 양평계통에 비하여 2-4배의 저항성을 보였고 나. MEP제에 대한 이화명충은 양평계통에 비해 김포, 평택, 용인, 이천, 수원 및 조암계통이 2-6배의 저항성을 보였으며, 다. Diazinon제에 대한 이화명충은 수원계통이 양평계통에 비교하여 약 3배의 저항성을 보였으나 다른 계통간에는 별차가 없었다. 라. 이화명충의 월동유충이 사육유충보다 약제에 대한 저항성이 더 떨어지는 것은 사육중 활력이 떨어지기 때문인 것으로 생각된다. 마. 끝동매미충에 있어서 MEP제의 겨우 이리계통이 수원계통에 비하여 약 13배, 밀양, 평택계통이 7-8배, 이천계통이 4배의 저항성을 보였고, 바. MEP제에 대한 끝동매미충은 역시 이리계통이 수원계통에 비해 약 7배, 평택계통이 4배로 나타났으며, 사. NAC제에 대한 끝동매미충은 지역별 계통간에는 별차를 보이지 않았다.

The study was planned to detect resistance levels of striped rice borers (Chilo suppressalis Walker) and green rice leafhoppers(Nephotettix cincticeps Uhler) from different localities to organophosphate and carbamate insecticides using topical application. Strains of overwintering striped rice borers were collected from 7 different areas in Gyeonggi Province and they were kept under conditions of about for 10 days. Overwintered and reared larvae of striped rice borers were compared for response to insecticides. The strains of green rice leafhopper were collected from Iri, Milyang, Pyongtaek, Echeon and Suweon. Insects were multiplied in the lab. All insecticides tested were organphosphates(MPP, MEP and Diazinon) and carbamate (NAC), which have been used in control of rice insect pests for over past 10 years. The results obtained were as follows, a. With MPP compound, resistant levels of the Joam, Suweon, and Echeon strains of C. suppressalis were from 2 to 4 times as compared with the Yangpyong strain. b. With MEP insecticide, resistant levels of the Kimpo, Pyongtaek, Yongin, Echeon, Suweon, and Joam strains of C. suppressalis were from 2 to 6 times as compared with the Yangpyong strain. c. With Diazinon, resistant levels of the Suweon strain of C. suppressalis were 3 times greater than the Yangpyong strain, but the resistant levels of Kimpo, Pyongtaek, Yongin, and Echeon strains approximated the later. 4. The overwintered larvae of C. suppressalis were more tolerant to the insecticides than the larvae reared in the lab. e. With MEP, resistant levels of the Iri, Milyang, and Pyongtaek strains of N. cincticeps to the Suweon strain showed 13, 8, 7 and4 times, respectively. f. With MPP, resistant levels of the Iri and Pyongtaek strains of N. cincticeps were 7 and 4 times as compared with the Suweon strain, respectively. g. With NAC, resistant levels of the several strains of if. cincticeps showed no difference, and seemed not to have developed resistance yet.

키워드
저자
  • 李升燦
  • 劉載起