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http://dx.doi.org/10.5660/WTS.2013.2.4.413

Distribution Characteristics of Paddy Weeds in Northern Gyeonggi-do  

Oh, Young-Ju (Korea Biodiversity Reserarch Center Co., Ltd.)
Hong, Sun-Hee (Institute of Environment and Ecology, Korea University)
Lee, Wook-Jae (Korea Biodiversity Reserarch Center Co., Ltd.)
Kim, Chang-Seok (Department of Agro-Food Safety, National Academy of Science, RDA)
Lee, In-Yong (Department of Agro-Food Safety, National Academy of Science, RDA)
Publication Information
Weed & Turfgrass Science / v.2, no.4, 2013 , pp. 413-420 More about this Journal
Abstract
The climate change affects the growth and development of weeds as well as the outbreak of weeds. Especially, the occurrences of problematic paddy weeds due to climate change might cause the difficulties in weed control. This study therefore, investigated the current dominance and distribution of paddy weeds. As a result of the study on paddy weeds in northern Gyeonggi-do, there were total of 65 taxonomy groups including 23 family, 41 genus, 57 species, 7 subspecies and 1 variety. Among all the plants, 46 species were annual plants and 16 were perennial plants. Echinochloa crus-galli was the highest in importance analysis and the followings were in order of Ludwigia prostrate and Lemna paucicostata. The similarity of different paddy weeds in different regions observed through TWINSPAN analysis was distinguished by Fimbristylis miliacea, Rotala indica and Cyperus flaccidus. Regional differences shown in CCA analysis using weed species and soil environment revealed that Gimpo-si and Namyangju-si has difference soil and weeds, which are features that distinguished them from other regions. In northern Gyeonggi-do the result of paddy weed research showed the interregional difference not in dominant weeds but in distribution species.
Keywords
Paddy weed; Important value; TWINSPAN; CCA;
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Times Cited By KSCI : 5  (Citation Analysis)
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