Colonization Characteristics and Density of Arbuscular Mycorrhizal Fungi(AMF) in the Different Cultivated Grape Soils

재배방식이 상이한 포도 재배지 토양의 Arbuscular균근균 포자밀도와 감염특성

  • Sohn, Bo-Kyoon (Division of Bio-Environmental Science, Sunchon National University) ;
  • Cho, Ju-Sik (Division of Bio-Environmental Science, Sunchon National University) ;
  • Liu, YanPeng (Division of Bio-Environmental Science, Sunchon National University) ;
  • Lee, Do-Jin (Dept. of Agricultural Education, Sunchon National University) ;
  • Kim, Hong-Lim (Namhae Sub-Station, National Horticultural Research Institute, RDA)
  • 손보균 (순천대학교 생명환경과학부) ;
  • 조주식 (순천대학교 생명환경과학부) ;
  • 리우양팽 (순천대학교 생명환경과학부) ;
  • 이도진 (순천대학교 농업교육과) ;
  • 김홍림 (농촌진흥청 남해출장소)
  • Received : 2007.10.15
  • Accepted : 2007.11.03
  • Published : 2007.12.30

Abstract

There was no difference between eco-friendly and conventional cultivated soils in the chemical properties. But $Av.P_2O_5$ contents in the eco-friendly cultivated soils were slightly higher than that of conventional cultivated soils. In the conventional cultivated soils, the coefficient of correlation between spore density and soil chemical properties such as pH, EC, OM, $Av.P_2O_5$, K${\surd}$(Ca+Mg) and CEC was $-0.48^*$, -0.05, $0.48^*$, -0.12, -0.13, 0.31 respectively. But, in the eco-friendly cultivated soils was $-0.68^*$, $0.69^*$, $0.96^{**}$, $0.75^*$, $0.63^*$, $0.92^{**}$ respectively. The spore density was 140 spores $30g^{-1}$ in the eco-friendly cultivated soils and 60 spores $30g^{-1}$ in the conventional cultivated soils. Infection ratio of intercellular hypha was higher than that of arbuscular and vesicular among the fungi structures within the root. Suncheon and Cheonan as eco-friendly cultivated soil were higher than GimJe and NamWon in infection ratio.

친환경 재배지 토양과 관행토양간 토양화학성은 큰 차이를 보이지 않았으며, 토양 유효인산 함량은 친환경 재배지 토양이 관행 재배지 토양과 비교하여 다소 높은 수준이었다. 토양 관리방법에 따른 균근균 포자밀도는 친환경 재배지 토양이 건토 30 g 당 140여개의 포자밀도를 나타낸 반면 관행 재배지 토양은 60여개 내외의 포자밀도를 보였다. 각 토양 화학성과의 상관관계를 비교한 결과, pH, EC, OM, $Av.P_2O_5$, K Ca+Mg), CEC에 대한 관행재배지 토양의 균근균 포자밀도는 각각 $-0.48^*$, -0.05, $0.48^*$, -0.12, -0.13, 0.31의 상관계수를 나타냈다. 반면, 친환경 재배지 토양에 대한 균근균 포자밀도는 각각 $-0.68^*$, $0.69^*$, $0.96^{**}$, $0.75^*$, $0.63^*$, $0.92^{**}$의 상관계수를 보여 모든 무기성분이 유의성을 보였다. 뿌리의 균 조직은 주로 내부균사가 많았으며, 수지상체와 낭상체는 매우 낮은 수준이었다. 지역별로는 친환경 재배관리를 한 순천과 천안에서 다소 높은 수준의 감염정도를 나타냈다.

Keywords

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