Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
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Analysis of the Occurrence of Rice stripe virus in Jeonnam Province

전남지역의 벼 줄무늬잎마름병 발생 분석

  • Ko, Sug-Ju (Environment-Friendly Agricultural Research Instiute, Jellanamdo Agricultural Research and Extension Services) ;
  • Kang, Beom-Ryong (Environment-Friendly Agricultural Research Instiute, Jellanamdo Agricultural Research and Extension Services) ;
  • Kim, Do-Ik (Environment-Friendly Agricultural Research Instiute, Jellanamdo Agricultural Research and Extension Services) ;
  • Choi, Duck-Soo (Environment-Friendly Agricultural Research Instiute, Jellanamdo Agricultural Research and Extension Services) ;
  • Kim, Seon-Gon (Insect and sericultural Research Institute, Jellanamdo Agricultural Research and Extension Services) ;
  • Lee, Gwan-Seok (Crop Protection Division, National Academy of Agricultural Science) ;
  • Kim, Chang-Seok (Crop Protection Division, National Academy of Agricultural Science) ;
  • Choi, Hong-Soo (Crop Protection Division, National Academy of Agricultural Science) ;
  • Kim, Hong-Jae (Environment-Friendly Agricultural Research Instiute, Jellanamdo Agricultural Research and Extension Services) ;
  • Kim, Jeong-Soo (Crop Protection Division, National Academy of Agricultural Science)
  • 고숙주 (전남농업기술원 친환경연구소) ;
  • 강범용 (전남농업기술원 친환경연구소) ;
  • 김도익 (전남농업기술원 친환경연구소) ;
  • 최덕수 (전남농업기술원 친환경연구소) ;
  • 김선곤 (전남농업기술원 곤충잠업연구소) ;
  • 이관석 (국립농업과학원 작물보호과) ;
  • 김창석 (국립농업과학원 작물보호과) ;
  • 최홍수 (국립농업과학원 작물보호과) ;
  • 김홍재 (전남농업기술원 친환경연구소) ;
  • 김정수 (국립농업과학원 작물보호과)
  • Received : 2011.06.20
  • Accepted : 2011.09.28
  • Published : 2011.12.31
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Abstract

Occurrence of Rice stripe virus (RSV) was investigated in Jeonnam province from 2008 to 2011. Incidence of RSV was surveyed in paddy fields during growth stage. In western and southern coast parts of 5 districts, Jindo, Wando, Shinan, Haenam and Muan, rice was severely damaged by RSV from 2008 to 2009. But, RSV didn't almost occur in 2010. Viruliferous ratio (VIR) of RSV from overwintered small brown plant hopper (SBPH, Laodelphax striatellus) showed 4.7%, 11.3%, 8.7%, and 2.8% from 2008 to 2011. It was highly recorded in Jindo, Wando, and Shinan of southwestern area. SBPH was collected by sucking machine at 1 $m^2$ with 3 replications per paddy field in March. The density of SBPH was high on March, but low on April in non-cultivated barley field from winter to spring. Farmer's plowing this season assumed to be a cause of SBPH density decrease. The number of SBPH was 7.7, 5.4, and 4.0 per $m^2$ during three years, respectively.

전남지역에서 벼 줄무늬잎마름병에 대한 연구를 2008년부터 2011년까지 4년간 수행하였다. 전남지역 벼에서 벼 줄무늬잎마름병 발생은 서남해안지역인 진도, 완도, 신안, 해남, 무안에서 2008년부터 2009년까지 피해가 심하였으나, 2010년은 거의 피해가 없었다. 월동 애멸구의 벼 줄무늬잎마름바이러스 보독율은 2008년부터 2011년까지 연도별로 각각 4.7%, 11.3%, 8.7%, 12.8%이었으며, 진도, 완도, 신안 등 서남해안 지역에서 보독충율이 높게 나타났다. 동력흡충기를 이용한 논에서 $m^2$ 당 월동 애멸구 밀도는 3월에 높았고, 4월에는 낮아지는 경향이었으며 이는 4월에 경운에 의해 밀도가 낮아지는 것으로 추정되었다. 논에서 애멸구 $m^2$당 평균밀도는 3년동안 7.7, 5.4, 4.0마리였다.

Keywords

References

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  1. Wing Morphs and Parasitism Rates of the Small Brown Planthopper, Laodelphax striatellus (Hemiptera: Delphacidae) in Korea vol.53, pp.4, 2014, https://doi.org/10.5656/KSAE.2014.11.0.064
  2. Analysis of the Factors for Decrease of Rice Stripe Disease in Chungnam Province vol.19, pp.2, 2013, https://doi.org/10.5423/RPD.2013.19.2.084