지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 1980.12
- 수록면
- 228 - 233 (6page)
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초록· 키워드
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The infection rate of soybean black root rot disease caused by Calonectria crotalariae was about 14%. The isolated fungi from the infected soybean roots and stems were Calonectria crotalariae, Fusarium solani, F. roseum, Phomopsis sojae, Pythium aphanidermatum, Rhizoctonia solani and Macrophomina sp. Among them, C. crotalariae was the most virulent pathogen under the laboratory conditions. Mycelial growth and microsclerotial formation were good on PSA containing 1000㏄ of water, 100g of potato and 20g of sugar. Mycelial growth, sporulation and microsclerotial formation were good on sterilized root. Perithecial formation was better in the dark condition than in the light. Survival of macroconidia was not available between 0~25% soil water content. Microsclerotia and mycelium in infected plant debris were survived for 4 months at to 8% 50% soil water content. The plant height, when inoculated with 1.2% inoculum density, reached approximately half of uninoculated plants. Disease severity was much higher at non-sterilized soil than completely sterilized soil. It was determined that the host range of this pathogen includes soybean, peanut, green bean and red bean.
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UCI(KEPA) : I410-ECN-0101-2009-481-017561099