Korean Journal of Plant Resources (한국자원식물학회지)

The Plant Resources Society of Korea (한국자원식물학회)
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Distribution and Host Plants of Parasitic Weed Cuscuta pentagona Engelm.

기생식물 미국실새삼의 분포 및 기주식물상

  • Hwang, Sunmin (Environmental Resources Research Department, National Institute of Environmental Research) ;
  • Kil, Jihyon (Environmental Resources Research Department, National Institute of Environmental Research) ;
  • Lee, Chang-Woo (Environmental Resources Research Department, National Institute of Environmental Research) ;
  • Kim, Youngha (Environmental Resources Research Department, National Institute of Environmental Research)
  • 황선민 (국립환경과학원 환경자원연구부) ;
  • 길지현 (국립환경과학원 환경자원연구부) ;
  • 이창우 (국립환경과학원 환경자원연구부) ;
  • 김영하 (국립환경과학원 환경자원연구부)
  • Received : 2013.02.14
  • Accepted : 2013.04.22
  • Published : 2013.04.30
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Abstract

Surveys were conducted to study nationwide distribution and identify habitats and host plants of Cuscuta pentagona Engelm. as a parasite. The major habitat types were arable land near agricultural waterways (54.3%), open field near roadside (41.3%) and artificial grassland (4.3%). The investigated host plants of Cuscuta pentagona consist of total 130 taxa: 10 varieties, 1 subspecies, 119 species, 95 genera, and 37 families. Among them, 30 taxa were alien plants. As for the useful plants, there were 59 taxa of edible ones (45.4%), 54 taxa of medicinal ones (41.5%), 13 taxa of ornamental ones (10%), 13 taxa of industrial ones (10%), and 9 taxa of pasture ones (6.9%). On arable land, it caused damage particularly to the growth of agricultural crops such as Oryza sativa L. (Rice) and fruits such as Malus pumila Mill. (Apple) etc. Its growth and distribution may cause economic loss for crops because of the close location of the arable land.

본 연구는 국내의 자연생태계에 확산되고 있는 외래 기생식물인 미국실새삼의 분포와 그에 따른 생육지의 유형을 구분하여 기주식물을 조사하고, 그에 따른 생태계 영향을 파악함으로써 미국실새삼의 확산 저감을 위한 관리 계획을 수립하는데 기초가 되는 자료를 제공하고자 하였다. 미국실새삼의 분포는 전국적으로 확산이 이루어지고 있으며 주요 생육지 유형은 경작지변(54.3%), 도로변 나지(41.3%), 인공초지(4.3%) 등 3가지로 구분되었다. 총 37과 95속 119종 10변종 1아종 등 130분류군의 기주식물이 확인되었으며, 목본식물이 4.6%를 차지하고 외래식물은 30분류군으로 전체 기주식물 중 23%로 나타났다. 기주식물의 생활형을 분석한 결과 일년생식물(Th)이 68분류군, 52.3%로 가장 높게 출현 하여 미국실새삼의 생육지가 교란이 많이 일어나는 지역임을 확인할 수 있었다. 기주식물 중 유용식물을 분석한 결과 총 90분류군으로 기주식물 중 69.2%를 차지하였으며, 식용자원 59(45.4%)분류군, 약용자원 54분류군(41.5%), 공업용과 관상용자원이 13분류군(10%), 초지자원 9분류군(6.9%)으로 확인되었다.

Keywords

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