Journal of Ginseng Research

The Korean Society of Ginseng (고려인삼학회)
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Effect of Calcium Cyanamide Soil Fumigation on Sterilization of Rhizoctonia solani, Pythium sp., Soil Microbes and Plant Seed

석회질소 토양훈증의 라이족토니아 소라니, 피시움, 토양미생물과 씨앗의 사멸효과

  • Lee, Byung-Dae (Bioresource Development Institute, Herbking Inc. Hankyung University) ;
  • Park, Roan (Biotechnology Institute, Sungkyunkwan University)
  • 이병대 ((주)허브킹, 생물자원개발연구소, 한경대학교) ;
  • 밝훈 (성균관대학교, 생명공학연구소)
  • Published : 2009.06.30
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Abstract

The effect of calcium cyanamide (China-made) soil fumigation on the growth of the ginseng pathogen Rhizoctonia, Pythium), soil microbes, and seed germination of lettuce and radish was investigated. At twice the recommended level (2S0-ppm $CaCN_2$), the growth of Rhizoctonia and Pythium, and the seed germination, were not inhibited. Rather, the effective level was 10,000 ppm. The powder form was more effective than the granular form in inhibiting pathogen growth and seed germination. The lettuce seed was also more sensitive than the radish seed. Calcium cyanamide appearedto decrease the fungi population and to increase Actinomycetes in the soil.

석회질소의 인삼포 예정지 훈증제로서의 적량을 구하기 위하여 실내시험을 하였다. 중국제 석회질소는 추천량 (60Kg/10a)의 배량에서도 인삼 입고병균인 라이족토니아 (Rhizoctonia solani)와 피지움 (Pythium sp.)에 대한 멸균효과가 없었다. 멸균 유효수준은 10,000 ppm이였다. 토양 미생물에 대하여서는 250 ppm에서 토양곰팡이의 밀도를 50% 감소 시켰으며 방선균 50%이상 증가시키고 세균에는 변화가 없었다. 살균력에서 분제가 입제보다 우수하였다. 무씨의 발아억제는 9,000 ppm 이상에서 확인되었다.

Keywords

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