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Distribution of Exotic Weeds on Upland Crop Field in Gyeonggi-do

경기도 밭의 외래잡초 분포

  • Kim, Chang-Seok (Crop Protection Division, National Academy of Science, RDA) ;
  • Lee, In-Yong (Crop Protection Division, National Academy of Science, RDA) ;
  • Lee, Jeong-Ran (Crop Protection Division, National Academy of Science, RDA) ;
  • Hong, Sun-Hee (Institute of Environment and Ecology, Korea University) ;
  • Oh, Young-Ju (Institute for Future Environmental Ecology Co., Ltd.)
  • 김창석 (국립농업과학원 작물보호과) ;
  • 이인용 (국립농업과학원 작물보호과) ;
  • 이정란 (국립농업과학원 작물보호과) ;
  • 홍선희 (고려대학교 환경생태연구소) ;
  • 오영주 ((주)미래환경생태연구소)
  • Received : 2014.11.14
  • Accepted : 2014.12.10
  • Published : 2014.12.31

Abstract

We surveyed the distribution of exotic weeds in the 350 upland crop fields of Gyeonggi-do. The exotic weeds were summarized as 78 taxa including 19 families, 52 genera, 74 species and 4 varieties. Among the total exotic weeds, the summer annuals were 48.7%, the winter annuals 28.2%, and the perennials 23.1%. Compositae was dominant family (32%), followed by Gramineae (8%), Polygonaceae (8%) and Malvaceae (7%). Dominant exotic weeds in northern Gyeonggi-do were Amaranthus lividus, Ambrosia trifida, Chenopodium album, Bidens frondosa and Erigeron Canadensis, and in southern Gyeonggi-do were Chenopodium album, Erigeron Canadensis, Erigeron annuus, Taraxacum officinale and Galinsoga ciliate. The most dominant exotic weeds in the Gyeonggi-do were Chenopodium album, followed by Amaranthus blitum, Erigeron canadensis. Canonical correspondence analysis for investigation of correlation between exotic weeds occurred in northern and southern Gyeonggi-do showed that the exotic weeds in northern Gyeonggi-do were more diverse then in southern Gyeonggi-do. This information could be useful for establishment of exotic weed control methods in Gyeonggi-do.

Keywords

Dominant species;Exotic weed;Gyeonggi.do;Upland crop field

Acknowledgement

Grant : Research Program for Agricultural Science & Technology Development

Supported by : National Academy of Agricultural Science

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  1. Occurrence and Distribution of Weeds on Upland Crop Fields in Chungbuk Province of Korea vol.4, pp.3, 2015, https://doi.org/10.5660/WTS.2015.4.3.209