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http://dx.doi.org/10.5660/WTS.2016.5.3.126

Occurrence of Weed Flora in Pasture of Jeju, Pyeongchang and Seosan Region, Korea and Changes in Weed Vegetation  

Lee, In-Yong (National Institute of Agricultural Sciences, RDA)
Kim, Chang-Seog (National Institute of Agricultural Sciences, RDA)
Lee, Jeongran (National Institute of Agricultural Sciences, RDA)
Hwang, Kyung-Jun (Jeju Business Team, Korea Airport Service)
Kim, Il-Jun (Hanwoo Genetic Improvement Center, National Agricultural Cooperative Federation)
Kim, Dong-Min (Hanwoo Genetic Improvement Center, National Agricultural Cooperative Federation)
Seo, Hyun-A (National Institute of Agricultural Sciences, RDA)
Jang, Hyung-Mok (Muju Agricultural Technology Center)
Publication Information
Weed & Turfgrass Science / v.5, no.3, 2016 , pp. 126-135 More about this Journal
Abstract
The surveys of weed species in pastures were conducted in Jeju Island, Pyeongchang Gangwon, and Seosan Chungnam throughout 2013, 2014, and 2015 in order to understand the current status of the weed flora in Korean pastures and to utilize the survey data for basic measure of them. From the surveys, 275 species of 52 families including 83 exotic species were identified and classified into 77 species of annuals, 55 species of biennials and 143 species of perennials. Looking regionally, 207 species of 49 families, 62 species of 14 families, and 136 species of 36 families were occurred in Jeju, Pyeongchang and Seosan, respectively. Based on the importance values, the most dominant species was Rumex obtusifolius followed by Artemisia princeps, Trifolium repens, Digitaria ciliaris, Rumex acetosella etc. in order. The dominance of exotic species was the highest in Rumex obtusifolius followed by Trifolium repens, Rumex acetosella, Erigeron annuus etc. According to the surveys of past and present a pasture weed community has been changed, i.e., Erigeron annuus, Artemisia princeps, and Potentilla fragarioides var. major were dominant in 1990 and Artemisia princeps, Trifolium repens and Rumex acetosella were dominant in 2004. On the other hand, the dominant species at the pastures were changed into Rumex obtusifolius, Artemisia princeps, and Trifolium repens in 2015.
Keywords
Exotics weed; Pasture; Weed community; Weed flora;
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