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http://dx.doi.org/10.5660/KJWS.2012.32.2.121

Occurrence Trends of Herbicide Resistant Weeds in Paddy Fields in Korea  

Lee, In-Yong (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Park, Jung-Soo (Gyeonggi-do Agricultural Research & Extension Services)
Seo, Young-Ho (Gangwon-do Agricultural Research & Extension Services)
Kim, Eun-Jung (Chungchengbuk-do Agricultural Research & Extension Services)
Lee, Sun-Gye (Chungchengnam-do Agricultural Research & Extension Services)
Cho, Seng-Hyun (Jeollabuk-do Agricultural Research & Extension Services)
Kwon, Oh-Do (Jeollanam-do Agricultural Research & Extension Services)
Kim, Sang-Kuk (Gyeongsangbuk-do Agricultural Research & Extension Services)
Chung, Wan-Gyu (Gyeongsangnam-do Agricultural Research & Extension Services)
Park, Tae-Seon (National Institute of Crop Science, RDA)
Kim, Chang-Seok (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Lee, Jeong-Ran (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Moon, Byung-Chul (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Kang, Chung Kil (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Park, Jae-Eup (Department of Agro-Food Safety, National Academy of Agricultural Science, RDA)
Publication Information
Korean Journal of Weed Science / v.32, no.2, 2012 , pp. 121-126 More about this Journal
Abstract
National Academy of Agricultural Science and eight province Agricultural Research & Extension Services investigated the occurring area of herbicide resistant weeds in paddy field of Korea. In order to estimate the occurring areas of herbicide resistant weeds, we collected paddy soils on August, 2011 and treated 30kg $ha^{-1}$ of pyrazosulfuron-ethyl+pyriminobac-methyl GR. 167,081ha, approximately 20.9% of cultivated area excluding organic and eco-friendly cultivated area, was estimated to be infested by SU-herbicide resistant paddy field weeds. It was increased by 60,130ha compared with investigation of 2008. It was occurred at Chungchungnam-do by 47.6%, followed by 36.9% at Jeonranam-do, 25.7% at Chungchungbuk-do, 20.5% at Gangwon do, and 13.0% at Gyeonggi-do, respectively. Monochoria vaginalis showed the highest with 65,313ha, 39.1% followed by Scirpus juncoides, and Cyperus difformis, respectively. These three species were evenly distributed and the most problematic weeds in the country. Lindernia dubia occurred at 13,964ha (8.4%) and Echinochloa oryzicola was 5.1%, respectively.
Keywords
herbicide resistance; paddy field weeds; sulfonylurea herbicides;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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