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Distribution Characteristics of Weeds and Vegetation Types in Cnidium officinale Field

천궁밭 발생잡초 및 군락특성

  • Kim, Duk-Hwan (Central Research Institute Kyung Nong Corporation) ;
  • Park, Jae-Man (School of Applied Biosciences, Kyungpook National University) ;
  • Kang, Sang-Mo (School of Applied Biosciences, Kyungpook National University) ;
  • Lee, Seok-Min (School of Applied Biosciences, Kyungpook National University) ;
  • Seo, Chang-Woo (School of Applied Biosciences, Kyungpook National University) ;
  • Lee, In-Yong (Crop Protection Division, National Academy of Agricultural Science, RDA) ;
  • Lee, In-jung (School of Applied Biosciences, Kyungpook National University)
  • Received : 2015.11.11
  • Accepted : 2015.12.09
  • Published : 2015.12.30

Abstract

The present research was carried out in order to investigate the occurrence of problematic weed species in Cnidium officinale Makino. Field in South Korea. Total 53 sites of the 3 different regions in S. Korea were investigated from May to October, 2014. In Cnidium officinale fields, the identified weeds were distributed in 35 families and 99 species. Total 5 communities that consist of Commelina communis, Eleocharis kuroguwai, Persicaria vulgaris, Chenopodium album-Acalypha australis, and Galinsoga ciliata dominated the appearance. The weeds occurred in Cnidium officinale fields were divided into three groups in principal component plot analysis (PCA). It was observed that in control weeds plots; 20 plants of Cnidium officinale fresh weight is 739.9 g while the uncontrolled plots have no Cnidium officinale plants. The current investigation could be useful for estimation of future weeds occurrence, weed flora dynamics and establishment of weed control methods in Cnidium officinale fields in Korea.

천궁밭에 발생하는 잡초와 군락의 유형을 분석하여 천궁밭 잡초방제을 위한 기초자료로 활용하기 위하여 2014년 5월부터 10월까지 총 6회에 걸쳐 잡초조사를 실시하였다. 천궁밭에는 총 35과 99종이 출현하였고, 일년생잡초는 55종, 다년생잡초는 44종으로 분류되었다. 식물사회학적 군락분석에 의한 결과, 닭의장풀, 털별꽃아재비, 봄여뀌, 올방개, 명아주-깨풀이 우점하여 군락의 형태를 보였다. 또한 PCA plot 분석결과 식물사회학적 군락분석과 유사하게 올방개, 명아주-깨풀, 봄여뀌, 닭의장풀, 털별꽃아재비가 군락으로 유형화되었으며, 잡초무방제구의 천궁 생산이 전혀 없을 정도로 잡초에 대한 천궁의 피해가 심각하였다. 천궁은 8월 이전 지상부 생육이 왕성해지기 전까지 집중적인 잡초관리가 이루어져야 하며, 흑색멀칭을 하지 않는 헛골에 발생되는 잡초에 대한 초기방제 체계를 마련해야 할 것으로 판단된다.

Keywords

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