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A Survey of Weeds Occurrence on Paddy Fields in Chungnam Province in Korea

충남지역 논 잡초 발생분포조사

  • Hwang, Ki Seon (Department of Crop Science, Chungnam National University) ;
  • Won, Ok Jae (Department of Crop Science, Chungnam National University) ;
  • Park, Su Hyuk (Department of Crop Science, Chungnam National University) ;
  • Eom, Min Yong (Department of Crop Science, Chungnam National University) ;
  • Han, Sung Min (Department of Crop Science, Chungnam National University) ;
  • Suh, Su Jeoung (Department of Crop Science, Chungnam National University) ;
  • Lee, In Yong (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA) ;
  • Lee, Jeung Ju (Department of Applied Biology, Gyeongsang National University) ;
  • Park, Kee Woong (Department of Crop Science, Chungnam National University)
  • 황기선 (충남대학교 식물자원학과) ;
  • 원옥재 (충남대학교 식물자원학과) ;
  • 박수혁 (충남대학교 식물자원학과) ;
  • 엄민용 (충남대학교 식물자원학과) ;
  • 한성민 (충남대학교 식물자원학과) ;
  • 서수정 (충남대학교 식물자원학과) ;
  • 이인용 (국립농업과학원 농산물안전성부) ;
  • 이증주 (경상대학교 농생물학과) ;
  • 박기웅 (충남대학교 식물자원학과)
  • Received : 2013.11.08
  • Accepted : 2013.12.10
  • Published : 2013.12.31

Abstract

The survey of weed occurrence was conducted to identify problematic weed species on the paddy field. Total 524 sites of the 17 regions in Chungnam Province in Korea were investigated from June to August, 2013. In the whole region, 23 weed species were identified including 19 annuals and 4 perennials. The most dominant weed species in Chungnam paddy fields were Echinochloa crus-galli (25.3%), followed by Monochoria vaginalis (11.9%), Eleocharis kuroguwai (10.3%), Bidens tripartite (9.3%) and Aneilema japonicum (8.5%). The 95.2% of the investigation sites was determined under dominance value 1 (range of cover <10: numerous individuals) by Braun-Branquet indicating proper weed control in the paddy fields. This information could be useful for estimation of future weed occurrence, weed population dynamics and establishment of weed control methods in Chungnam Province in Korea.

본 조사는 2013년에 충남지역 17개 시 군의 524지점에서 논 잡초 발생현황을 파악하기 위하여 수행되었다. 충남 전 지역 논 잡초 조사결과, 23초종이 조사되었다. 그 중 일년생 잡초가 19종, 다년생 잡초가 4종으로 나타났다. 물피의 발생비율이 25.25%로 가장 우점하였고, 물달개비 11.87%, 올방개 9.27%, 사마귀풀 8.47% 순으로 나타났다. Braun-Branquet에 의한 우점도 평가에 의하면 조사대상지의 95.2%가 우점도 1(개체수는 많지만 피도가 10%이하로 출현)이하로 적절한 잡초방제가 이루어진 것으로 조사되었다. 이번 연구결과를 이용하여 앞으로 충남지역 논 잡초의 발생양상을 예측하며 잡초군락의 변화를 파악함으로써 체계적인 논 잡초 관리방안을 마련할 수 있을 것으로 판단된다.

References

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