Effects of temperature on growth of Beauveria bassiana F-263, a strain highly virulent to the Japanese pine sawyer, Monochamus alternatus, especially tolerance to high temperatures

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Mycelial growth and germination rates of Beauveria bassiana F-263 at various temperatures were investigated to determine efficient culture conditions and tolerance of this strain to higher temperatures. Mycelial growth was quantified by measuring colony diameters at constant temperatures and occurred from 6 to 33℃, with maximal growth at 30℃. The fungus could recover and grow when transferred to 25℃ after exposure to higher temperatures, even if the fungus did not grow during high temperature exposures. The longest high temperature periods after which this fungus survived were 8 d at 35℃ and 4 d at 36℃ when initiated with hyphal bodies and more than 14 d at 35℃ and 7 d at 36℃ when initiated with conidia. At 25 to 30℃, the conidial germination rate rose to almost 100% within 20h. At 34℃, germination was very low within 20 h, but almost 100% over 48 h. At 35℃, germination was only 4.6% even more than 4 d after inoculation, although most conidia inflated within 24 h. No germination was observed at 36℃, although most conidia inflated within 24 h. Growth rates of germ tubes from conidia were slower at temperatures higher than 33℃.

収録刊行物

  • Applied entomology and zoology

    Applied entomology and zoology 39(3), 469-475, 2004-08-25

    日本応用動物昆虫学会

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各種コード

  • NII論文ID(NAID)
    10013522214
  • NII書誌ID(NCID)
    AA00543238
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00036862
  • NDL 記事登録ID
    7054465
  • NDL 雑誌分類
    ZR4(科学技術--生物学--動物)
  • NDL 請求記号
    Z53-M423
  • データ提供元
    CJP書誌  CJP引用  NDL  NII-ELS  J-STAGE 
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