Identification of Fusarium leaf spot(Fusarium nivale) newly reported In Korea

수도갈색엽고병(Fusarium nivale)의 동정

  • Kwon Shin Han (Applied Genetics Lab., Korea Atomic Energy Research Institute) ;
  • Song Hi Sup (Applied Genetics Lab., Korea Atomic Energy Research Institute) ;
  • Sohn Cheong Yeol (Applied Genetics Lab., Korea Atomic Energy Research Institute) ;
  • Yamakuchi Tomio (National Institute of Agricultural Science, Japan)
  • Published : 1973.09.01

Abstract

From the new rice variety Tong-il, disease symptoms similar to Fusarium leaf spot reported in Japan was observed in Korea. Causal organism was isolated and identified as Fusarium nivale causing Fusarium leaf spot through the study of conidia shape, ascus formation on diseased spot, and ascospore. These results also showed good agreement with that of other investigators. Under the field condition, marked occurrence of this disease has observed by heavy nitrogen application. The optimum temperature for the growth of this fungus was $24^{\circ}C$.

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