The Plant Pathology Journal

The Korean Society of Plant Pathology (한국식물병리학회)
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Antifungal Action of Ginkgo biloba Outer Seedcoat on Rice Sheath blight

  • Oh, Tae-Seok (Kongju National University, College of Industrial Sciences) ;
  • Koo, Han-Mo (Kongju National University, College of Industrial Sciences) ;
  • Yoon, Hei-Ryeo (Kongju National University, College of Industrial Sciences) ;
  • Jeong, Nam-Su (Kongju National University, College of Industrial Sciences) ;
  • Kim, Yeong-Jin (Kongju National University, College of Industrial Sciences) ;
  • Kim, Chang-Ho (Kongju National University, College of Industrial Sciences)
  • Received : 2014.03.24
  • Accepted : 2014.10.07
  • Published : 2015.03.01
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Abstract

From study of antifungal actions on the rice sheath blight by using the extract of Ginkgo biloba outer seedcoats, we found that the extracts of Ginkgo biloba outer seedcoats of all treatment concentrations had inhibited the rice sheath blight. Among them, the most effective concentration was 250 mg/l at which the growth of microbe was 26 mm and even at the packaging test, when sprayed the G. biloba outer seedcoats at the level of 250 mg/l, the damage rate of the rice sheath blight was identified as 13%. As a result investigating the antifungal activity by separating polysaccharides from G. biloba outer seedcoats, it showed that the clear zone of 14 mm or more was formed at the concentration of 250 mg/l or higher. Based on these results, we concluded that the G. biloba outer seedcoat is a natural substance with the antifungal activity on the rice sheath blight.

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References

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