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

김, 창석; 이, 인용; 이, 정란; 홍, 선희; 오, 영주

doi:10.5660/wts.2014.3.4.284

Weed & Turfgrass Science

2014

DOI: 10.5660/wts.2014.3.4.284

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

창석 김¹,

인용 이²,

정란 이³

et al.

Abstract: 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, Che… Show more

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Cited by 3 publications

References 13 publications

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Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Kim¹

2017

J. Ecol. Eng.

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We investigated the status of invasive exotic plants disturbing the ecosystem of the Seoul metropolitan area and examined the management of such plants. We selected our study sites based on those used in previous studies and on information in databases. All flora were classified into 57 families and 211 species; we evaluated 253 plant communities. The representative, invasive exotic species were Sicyos angulatus, Lactuca scariola, Ambrosia trifida, Ambrosia artemisiifolia, and Eupatorium rugosum. Stands of A. trifida ranged in area from 214 to 16,882 m 2 and were present in riparian zones, road and forest edges, slopes, and other open habitats at all sites, covering an average of 37.87% of all study areas. In Gwangju, Ansan, and Anyang cities and in Yeoncheon-gun, A. trifida coverage was >50%; the total mean coverage was near-continuous along the Han and the South Han rivers, broken only by cliffs in some riparian zones, and anthropogenic constructions. A. trifida and S. angulatus require careful management because of extensive growth, shading, and twining. The biodiversity of native species may be conserved by physical eradication of these plants. We describe the extents and distribution patterns of these two representative invasive exotic species in the enormous urban ecosystem of Seoul.

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Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Kim¹

2017

J. Ecol. Eng.

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Occurrence and Distribution of Weeds on Upland Crop Fields in Chungbuk Province of Korea

이채영¹,

박재성²,

김은정³

et al. 2015

Weed & Turfgrass Science

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ABSTRACT. This study was conducted to investigate the weed occurrence and distribution on the upland crop fields (garlic, barley, potato, maize, red pepper, soybean and Chinese cabbage) at 795 sites in Chungbuk province of Korea from Apr. to Oct. in 2014. From the result of this survey, 188 weed species in 42 families were identified and classified to 96 annuals, 40 biennials and 52 perennials. Based on the occurrence ratio, the most dominant weed species in Chungbuk province upland crop fields were higher in the order of Portulaca oleracea (8.14%), Digitaria ciliaris (6.72%), Echinochloa crus-galli (6.55%), Rorippa palustris (6.00%) and Chenopodium album (5.89%). The composition of major occurred weed families, Compositae, Poaceae, Polygonaceae and Cruciferae were 19, 10, 7 and 6%, respectively. In the winter upland crop fields, the dominant weeds were in the order of Capsella bursa-pastoris (12.36%), Alopecurus aequalis (11.05%) and Stellaria alsine (8.42%). In the summer upland crop fields, the dominant weeds were in the order of Portulaca oleracea (8.58%), Digitaria ciliaris (7.18%) and Rorippa palustris (6.28%). Fiftythree exotic weed species were identified. The results of this study could be useful information for estimation of future weed occurrence, weed population dynamics and establishment of weed control methods on the upland crop fields in Chungbuk province of Korea.

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Distribution of Exotic Weeds on Crop Fields in Jeju-do

Kim¹,

Chung

Lee³

et al. 2015

Weed & Turfgrass Science

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We surveyed the distribution of exotic weeds in the 141 crop fields of Jeju island. The exotic weeds were summarized as 66 taxa including 18 families, 50 genera, 64 species and 2 varieties. In winter crop fields there were 45 species of exotic seeds in 18 families, in summer crop fields 50 species in 16 families, and in perennial crop fields 39 species in 17 families. Total exotic weeds were classified to 39.4% of summer annuals, 36.4% of winter annuals, 7.6% of summer and winter annuals, and 16.7% of perennials. The ratio of summer annuals were high in the summer crop fields. Compositae was dominant family, followed by Gramineae, Malvaceae and Solanaceae. Malvaceae did not appear in perennial crop fields. Dominant exotic weeds in winter crop fields were Chenopodium album, Amaranthus viridis, Senecio vulgaris and Coronopus didymus, in summer crop fields, Chenopodium album, Amaranthus viridis, Senecio vulgaris and Sonchus oleraceus and in perennial crop fields, Conyza sumatrensis, Gnaphalium calviceps and Senecio vulgaris. The dominant exotic weeds in the crop fields of Jeju island were Chenopodium album, followed by Amaranthus viridis, Senecio vulgaris, and Conyza sumatrensis. This information could be useful for establishment of exotic weed control methods in Jeju island.

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

Cited by 3 publications

References 13 publications

Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Distribution and Management of the Invasive Exotic Species Ambrosia Trifida and Sicyos Angulatus in the Seoul Metropolitan Area

Occurrence and Distribution of Weeds on Upland Crop Fields in Chungbuk Province of Korea

Distribution of Exotic Weeds on Crop Fields in Jeju-do

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