Anti-conidial germination factors induced in the presence of probenazole in infected host leaves. I. Isolation and properties of four active substances.

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The highest inhibition rate of conidial germination of Pyricularia oryzae was shown by extracts of rice plant leaves inoculated by a pathogen after treatment with probenazole, a rice blast controlling agent. Four anti-conidial germination substances were isolated from these extracts. Substances A, C and D inhibited the germination of the conidia at concentrations between 100 and 200 mcg/ml, and substance B caused morphological changes in the germination tubes of the conidia with a little inhibition of germination. These substances were differentiated from momilactone A, B and the degraded or metabolized products of probenazole. Besides anti-conidial germination activity, they showed antimicrobial activities against several kinds of phytopathogenic bacteria of fungi on agar plates by diffusion method.

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詳細情報 詳細情報について

  • CRID
    1390282681440912896
  • NII論文ID
    130000028468
  • DOI
    10.1271/bbb1961.45.1431
  • COI
    1:CAS:528:DyaL3MXksFyis7s%3D
  • ISSN
    18811280
    00021369
    http://id.crossref.org/issn/00021369
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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