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http://dx.doi.org/10.5660/WTS.2014.3.4.284

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

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.)
Publication Information
Weed & Turfgrass Science / v.3, no.4, 2014 , pp. 284-291 More about this Journal
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;
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