Growth Characteristics and Occurrence Rate of Disease and Pest According to the Forest Field in Panax ginseng C. A. Meyer

인삼 임간재배시 병해충 발생율 및 생육 특성

  • Cheong, Seong-Soo (Jeollabuk-Do Agricultural Research and Extention Services) ;
  • Park, Jong-Suk (Jinan Medicinal Herbs Experiment Station, Jeollabuk-Do ARES) ;
  • Yang, Jae-Choon (Jinan Medicinal Herbs Experiment Station, Jeollabuk-Do ARES) ;
  • Ryu, Jeong (Jinan Medicinal Herbs Experiment Station, Jeollabuk-Do ARES) ;
  • Kim, Hee-Jun (Jinan Medicinal Herbs Experiment Station, Jeollabuk-Do ARES) ;
  • Lim, Ju-Rak (Jeollabuk-Do Agricultural Research and Extention Services) ;
  • Kim, Dong-Won (Jinan Medicinal Herbs Experiment Station, Jeollabuk-Do ARES)
  • 정성수 (전라북도농업기술원 생물환경연구과) ;
  • 박종숙 (전라북도농업기술원 진안숙근약초시험장) ;
  • 양재춘 (전라북도농업기술원 진안숙근약초시험장) ;
  • 류정 (전라북도농업기술원 진안숙근약초시험장) ;
  • 김희준 (전라북도농업기술원 진안숙근약초시험장) ;
  • 임주락 (전라북도농업기술원 생물환경연구과) ;
  • 김동원 (전라북도농업기술원 진안숙근약초시험장)
  • Published : 2007.08.30

Abstract

A climatic feature, growth condition and incidence phase of disease and pest in Korean ginseng (Panax ginseng C. A. Meyer) were surveyed, both the conventional cultivation and culture in the forest located in Jinan. The results were as follows. The forest field was lower $1^{\circ}C$ in the air temperature, lower $1.9^{\circ}C$ in the soil temperature and 11.8% lower in the soil temperature compared with the conventional field. The wind velocity of the forest field was three times slower, but the dew condensation time was 3.3 hours longer than the conventional field. Particularly, the amounts of solar radiation in the forest was remarkably lower, while the rainfall was little lower with no significance. The incidence of disease and pest in the forest field was severe compared with that of the conventional field. Among them, Colletotrichum gloeosporioides, Cylindrocarpon destructans, and Alternaria panax was severe in the forest field while, Botrytis cinerea was severe in the conventional field. The growth condition of forest field in Panax ginseng C. A. Meyer was 50% worse in general and the root weight was 87.2% less than the 3-year-old ginseng in the conventional field.

인삼재배가 가능한 임간의 기후적 특성과 임간재배지내에서의 병해충 발생상황 및 생육상황을 관행재배지와 비교해본 결과는 다음과 같다. 가. 임간재배지의 온도는 관행재배지보다 $1^{\circ}C$ 정도 낮고 습도는 2% 정도 높았으며 토양온도는 $1.9^{\circ}C$ 낮고 토양수분도 11.8%가 낮았다. 임간재배지의 풍속은 관행재배지보다 3배 정도 늦었으며 결로시간은 3.3시간 긴 것으로 나타났다. 특히 일사량은 현저히 부족하였고 강우량도 약간 부족한 것으로 나타났으나 큰 차이는 없었다. 나. 2003년이 2004년과 2005년보다 병해의 발생이 많았고 임간재배지에서의 병해발생이 관행재배지보다 심하였다. 때문에 8월 중순경에 지상부가 거의 다 고사되었다. 임간재배지의 주요 병해충으로는 탄저병, 점무늬병 및 뿌리썩음병이었고, 관행재배지는 위의 병해와 잿빛곰팡이병의 발생이 주를 이루는 것으로 나타났다. 해충으로는 잎별레와 나방류가 가해하는 것으로 조사되었다. 3년근의 생육상황을 비교한 결과 임간재배지에서 자란 인삼의 생육상황이 전반적으로 50% 이상 불량하였고 특히 근중은 87.2% 정도 가벼운 것으로 나타났다.

Keywords

References

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