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http://dx.doi.org/10.5660/WTS.2014.3.2.78

Survey of Weed Flora on Paddy Fields in Chungbuk Province in Korea  

Kim, Eun Jeong (Chungbuk Agricultural Research and Extension Services)
Park, Jae Seong (Chungbuk Agricultural Research and Extension Services)
Lee, Chae Young (Chungbuk Agricultural Research and Extension Services)
Lim, Sang Cheol (Chungbuk Agricultural Research and Extension Services)
Park, In Seo (Chungbuk National University)
Cho, Yong Gu (Chungbuk National University)
Publication Information
Weed & Turfgrass Science / v.3, no.2, 2014 , pp. 78-85 More about this Journal
Abstract
The survey of weed occurrence was conducted to identify dominant weed species in the paddy field. Total 346 sites of the 12 regions in Chungbuk Province in Korea were investigated in July, 2013. Weed flora was composed of 43 species belonged to 15 families. The compositions of major plant families, Cyperaces, Poaceae, Pontederiaceae and Asteraceae, were 21.5, 17.4, 15.5 and 12.7%, respectively. Based on life cycle, weed species was grouped into annuals of 71.3 and perennials of 28.1%. The most dominant weed species in paddy fields of Chungbuk Province were Monochoria vaginalis (14.5%), followed by Scirpus juncoides (10.5%), Echinochloa oryzoides (9.3%), Eleocharis kuroguwai (7.0%), Aeschynomene indica (6.2%) et al. The similarity of paddy weeds in 12 regions observed through TWINSPAN analysis was distinguished by Persicaria longiseta, Aneilema keisak, Persicaria thunbergii, Fimbristylis millacea, Blyxa japonica, Digitaria ciliaris, Potamogeton distinctus, Cyperus nipponicus. This information could be useful for estimation of future weed occurrence and establishment of weed control methods in chungbuk province in Korea.
Keywords
Chungbuk; Paddy field; Weeds; Weed occurrence;
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Times Cited By KSCI : 4  (Citation Analysis)
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