Korean Journal of Weed Science (한국잡초학회지)

The Korean Society of Weed Science & The Turfgrass Society of Korea Archive (한국잡초학회 & 한국잔디학회)
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Occurrence Trends of Herbicide Resistant Weeds in Paddy Fields in Korea

제초제 저항성 논잡초 발생동향

  • Lee, In-Yong (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Park, Jung-Soo (Gyeonggi-do Agricultural Research & Extension Services) ;
  • Seo, Young-Ho (Gangwon-do Agricultural Research & Extension Services) ;
  • Kim, Eun-Jung (Chungchengbuk-do Agricultural Research & Extension Services) ;
  • Lee, Sun-Gye (Chungchengnam-do Agricultural Research & Extension Services) ;
  • Cho, Seng-Hyun (Jeollabuk-do Agricultural Research & Extension Services) ;
  • Kwon, Oh-Do (Jeollanam-do Agricultural Research & Extension Services) ;
  • Kim, Sang-Kuk (Gyeongsangbuk-do Agricultural Research & Extension Services) ;
  • Chung, Wan-Gyu (Gyeongsangnam-do Agricultural Research & Extension Services) ;
  • Park, Tae-Seon (National Institute of Crop Science, RDA) ;
  • Kim, Chang-Seok (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Lee, Jeong-Ran (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Moon, Byung-Chul (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Kang, Chung Kil (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Park, Jae-Eup (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
  • Received : 2012.06.01
  • Accepted : 2012.06.11
  • Published : 2012.06.30
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Abstract

National Academy of Agricultural Science and eight province Agricultural Research & Extension Services investigated the occurring area of herbicide resistant weeds in paddy field of Korea. In order to estimate the occurring areas of herbicide resistant weeds, we collected paddy soils on August, 2011 and treated 30kg $ha^{-1}$ of pyrazosulfuron-ethyl+pyriminobac-methyl GR. 167,081ha, approximately 20.9% of cultivated area excluding organic and eco-friendly cultivated area, was estimated to be infested by SU-herbicide resistant paddy field weeds. It was increased by 60,130ha compared with investigation of 2008. It was occurred at Chungchungnam-do by 47.6%, followed by 36.9% at Jeonranam-do, 25.7% at Chungchungbuk-do, 20.5% at Gangwon do, and 13.0% at Gyeonggi-do, respectively. Monochoria vaginalis showed the highest with 65,313ha, 39.1% followed by Scirpus juncoides, and Cyperus difformis, respectively. These three species were evenly distributed and the most problematic weeds in the country. Lindernia dubia occurred at 13,964ha (8.4%) and Echinochloa oryzicola was 5.1%, respectively.

제초제 저항성 논잡초 발생면적은 농촌진흥청 국립농업과학원과 전국 8개 도 농업기술원과 공동으로 조사하였다. 8개 도 농업기술원에서 2011년 8월에 논토양을 채취하여 피라조설퓨론에틸 피리미노박메틸입제를 30kg $ha^{-1}$ 처리하여 설포닐우레아(SU)계 제초제 저항성 논잡초의 발생면적을 추산하였다. 전국 벼 재배면적(유기 및 친환경농업 벼 재배면적 제외)의 20.9%인 167,081ha에서 SU계 저항성 논잡초가 발생되고 있음을 확인하였다. 2008년과 대비하여 본 결과 60,130ha가 늘어났다. 발생비율을 보면, 충청남도가 논 면적의 47.6%로 제일 많이 발생되었고, 그 다음으로는 전라남도로 36.9%, 충청북도 25.7%, 강원도 20.3%, 경기도 13.0% 순이었다. 제초제 저항성 논잡초 중 발생면적이 가장 넓은 초종은 물달개비로서 65,313ha로 전체 39.1%를 차지하였으며, 그 다음으로 올챙이고랭이, 알방동사니 순이었다. 이들 3초종은 전국적으로 고르게 발생하여 제일 문제되는 잡초들이다. 그리고 미국외풀 13,964ha(8.4%), 강피 5.1%이었다.

Keywords

References

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