Effect of Moisture Conditions and Pre-Incubation at Low Temperature on Bacterial Wilt of Tomato Caused by Ralstonia solanacearum

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The effects of soil moisture conditions and pre-incubation at low temperature on bacterial wilt of tomato caused by Ralstonia solanacearum were evaluated using two soils. Soils were adjusted to different levels of moisture and inoculated with the pathogen. Then, tomato seedlings were transplanted and grown in a climatron at 30℃. In some treatments, pre-incubation at different temperatures was conducted for 3 days before cultivation at 30℃. Wilt incidence was lower under drier soil conditions like 20 to 30% of maximum water-holding capacity. The survival of the pathogen deteriorated under drier conditions, supporting the lower wilt incidence in the drier soils. Wilt incidence decreased when transplanted seedlings were pre-incubated at lower temperatures (20℃ to 4℃), especially 4℃. Reduced wilt incidence was accompanied by reduced survival of the pathogen. This study suggests that lower moisture conditions and pre-incubation at lower temperatures reduced bacterial wilt and have a negative effect on the survival of R, solanacearum.

収録刊行物

  • Microbes and environments

    Microbes and environments 19(3), 244-247, 2004-09

    日本微生物生態学会

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各種コード

  • NII論文ID(NAID)
    10013583125
  • NII書誌ID(NCID)
    AA11173196
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    13426311
  • NDL 記事登録ID
    7097732
  • NDL 雑誌分類
    ZR5(科学技術--生物学--菌類・微生物)
  • NDL 請求記号
    Z54-J644
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  J-STAGE 
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