Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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First Report of Anthracnose on Bitter Gourd Caused by Colletotrichum gloeosporioides in Korea

Colletotrichum gloeosporioides에 의한 쓴오이 탄저병

  • Kim, Ju-Hee (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Kim, Ju (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Choi, In-Young (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Cheong, Seong-Soo (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Uhm, Mi-Jeong (Jeollabuk-do Agricultural Research and Extension Services) ;
  • Lee, Wang Hyu (Plant Medical Research Center, Chonbuk National University)
  • Received : 2015.01.20
  • Accepted : 2015.03.02
  • Published : 2015.03.31
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Abstract

Anthracnose occurred in bitter gourd grown in Jeongup areas of Korea in 2011. Anthracnose of bitter gourd appeared as dark brown circular spots on naturally infected leaves and fruits. The symptoms of infected leaves and fruits were small brown to dark brown spots and gradually enlarged to larger cylindrical dark brown lesions. The causal fungus of anthracnose isolated from the diseased plants was identified as Colletotrichum gloeosporioides based on the morphological and cultural characteristics and ITS rDNA sequence analysis. All isolates of C. gloeosporioides produced symptoms on the host leaves by artificial inoculation. This is the first report of anthracnose on bitter gourd caused by C. gloeosporioides in Korea.

2011년에 전북 정읍지역에 재배하는 쓴오이에서 탄저병이 발생하였다. 탄저병은 처음에 흑갈색의 작은 원형반점들이 잎과 열매에 나타났다. 감염된 잎과 열매는 작은 갈색-흑갈색 반점을 형성하고 병반이 커지거나 융합되어 큰 원형의 흑갈색 병반을 형성하였다. 탄저병 병징에서 분리한 병원균은 배양형태적 특성조사와 ITS rDNA 염기서열 분석결과 Colletotrichum gloeosporioides로 동정되었다. 분리된 C. gloeosporioides는 인공접종에 의한 병원성 검정에서도 동일한 병징을 나타내어 국내 처음으로 C. gloeosporioides에 의한 쓴오이 탄저병을 보고한다.

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References

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