Control and Occurrence of Herbicide Resistance Echinochloa oryzicola in Rice Paddy Field of Honam Area

임일빈,; 임보혁,; 박재현,; 임민혁,; 김대현,; 장정한,; Choi, Kyung-Jin

doi:10.5660/wts.2017.6.1.32

Cited by 1 publication

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“…2005년에는 알방동사니 (Im et al, 2003), 올미 (Im et al, 2005), 새섬매자기 (Park et al, 2009) 3종이 추가되었고 발 생면적도 67,515 ha로 확대되었다 (Park et al, 2011). 2012 년에는 올챙이자리 (Kwon and Kuk, 2007), 쇠털골 (Kwon et al, 2009), 논피(강피) (Im, 2009;Lim et al, 2010) (Park et al, 1999;Park et al, 2003;Park et al, 2011;Lee et al, 2013…”

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Changes in Weed Vegetation in Paddy Fields over the Last 50 Years in Korea

Lee¹,

Kim²,

Lee³

et al. 2016

Weed & Turfgrass Science

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The Rural Development Administration of Korea conducted a series of surveys of paddy weeds from 1971 to 2013 in approximately 10-year cycles and the results have been used for the efficient weed management of paddy fields. In 1971, annual weeds such as Rotala indica, Eleocharis acicularis f. longiseta, and Monochoria vaginalis were dominant. In 1981, the population of Echinochloa species decreased whereas broadleaf weeds such as M. vaginalis, Sagittaria pygmaea, and S. trifolia were dominant. In 1991, perennial weeds such as Eleocharis kuroguwai, S. pygmaea, and S. trifolia were dominant over annual weeds. In 2000, M. vaginalis was the most abundant species, followed by E. kuroguwai, Echinochloa species, and S. trifolia. In 2013, herbicide-resistant Echinochloa species and M. vaginalis were most dominant, followed by E. kuroguwai, Scirpus juncoides, and S. trifolia. It has been predicted that the prevalence of Echinochloa species will continue to increase and that perennial weeds will be more abundant than annual ones in the near future. The occurrence of herbicide-resistant weeds and exotic weeds will also increase due to global warming and changes in agricultural patterns.

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