Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Survey of Plant Parasitic Nematode in Citrus Fruit Orchards in Korea

Citrus 속 과수재배지의 식물기생선충 조사

  • Park, Sun-Nam (National Institute of Biological Resources) ;
  • Youn, Young-Nam (Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National University) ;
  • Lee, Jae-Kook (Agricultural microbiology Division, National Academy of Agricultural Science) ;
  • Park, Byeong-Yong (Agricultural microbiology Division, National Academy of Agricultural Science)
  • 박선남 (국립생물자원관) ;
  • 윤영남 (충남대학교 농업생명과학대학 응용생물학과) ;
  • 이재국 (국립농업과학원 농업미생물과) ;
  • 박병용 (국립농업과학원 농업미생물과)
  • Published : 2009.12.30
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Abstract

This study was conducted to identify plant-parasitic nematodes and determine the distribution pattern of the nematode species in citrus fruit orchards in Korea from April to August, 2008. Plant-parasitic nematodes were found in 139 among 178 soil samples. Tylenchulus semipenetrans was collected from 85 out of 94 Citrus unshiu orchards examined (90.4%). C. junos orchards infested with T. semipenetrans were 60 out of 84 (71.4%). However, proportion of dominant species between the two was different. At domestic Citrus orchards, it proved that T. semipenetrans was the most important plant-parasitic nematode from this study. The overall frequency of the plant-parasitic nematodes was positively correlated with the cultivation years. More alkaline soils tended to harbor more T. semipenetrans. However the correlation coefficient between the two was very low.

이 연구는 Citrus속 과수재배지에서 식물기생선충의 종류와 분포를 조사하기 위해 수행하였다. 토양 샘플은 주요 재배지에서 2008년 4월부터 8월에 채집하였다. 식물기생선충은 전체 178개 샘플 가운데 139개 샘플에서 검출되었다. 감귤재배지에서 Tylenchulus semipenetrans가 178토양샘플 중 139 샘플에서 검출되었고(90.4%), 유자재배지는 94 토양샘플 중 85토양 샘플에서 T. semipenetrans가 검출되었다(71.4%). 그러나 주요한 식물기생선충의 종류는 다소 차이가 있었다. 국내 Citrus속 과수 재배지에는 T. semipenetrans가 널리 분포하고 있었으며, 감귤과수에 가장 중요한 식물기생선충임을 확인하였다. 재배 년수가 증가할수록 T. semipenetrans의 검출빈도가 증가하였다. 또 토양산도가 알칼리성으로 갈수록 감귤선충의 밀도는 증가하였으나, 상관계수는 높지 않았다.

Keywords

References

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