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ISSN : 2287-8327

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Vol.38 No.3
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Occurrence and distribution of weed species on horticulture fields in Chungnam province of Korea

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2015, v.38 no.3, pp.353-360
https://doi.org/10.5141/ecoenv.2015.036

Ki Seon Hwang
Min Yong Eom
Su Hyuk Park
Ok Jae Won
In Yong Lee (Department of Agro-Food Safety & Crop Pr)
Ki, S. H. , Min, Y. E. , Su, H. P. , Ok, J. W. , & In, Y. L. (2015). Occurrence and distribution of weed species on horticulture fields in Chungnam province of Korea. Journal of Ecology and Environment, 38(3), 353-360, https://doi.org/10.5141/ecoenv.2015.036
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Abstract

A survey of weed occurrence was conducted to identify problematic weed species in a horticultural crop field to get basic information for effective weed control. Surveys of weed species occurring in horticultural crop fields (garlic, onion, red pepper and Chinese cabbage) were conducted in Chungnam province of Korea from April to October in 2014. A total of 516 sites of the 17 regions were identified as having 114 weed species belonging to 32 families. The most dominant weed species in the horticultural crop fields were Chenopodium album var. centrorubrum (8.83%), followed by Digitaria ciliaris (5.71%), Conyza canadensis (5.46%) and Capsella bursa-pastoris (4.67%). Specifically, as a result of this study, the occurrence of 35 species of exotic weeds, such as Chenopodium album and Taraxacum officinale, were confirmed. Almost 68% of the investigation sites was determined under dominance value 1 (range of cover < 10; numerous individuals) by Braun-Branquet cover-abundance scale, indicating a proper weed control in horticultural crop field. As a result of scientific and technological advances, an improved cultivation method is changing the weed occurrence in agricultural land. Additional research needs to be undertaken for the development of weed control methods through such periodic monitoring of occurrence of weeds.

keywords
Chungnam province, exotic weed, horticultural crop field, weed control, weed occurrence

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