Release strategies of Amblyseius womersleyi and population dynamics of Amblyseius womersleyi and Tetranychus urticae : II. Test of two release rates on apple

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著者

    • Jung Chuleui JUNG Chuleui
    • Entomology Program, School of Agricultural Biotechnology, Seoul National University:School of Bioresource Sciences, Andong National University
    • Han Sanghyun HAN Sanghyun
    • Entomology Program, School of Agricultural Biotechnology, Seoul National University:(Present address)International Quarantine Cooperation Division, National Plant Quarantine Service

抄録

The two-spotted spider mite, Tetranyuchus urticae Koch is an important pest in Korean apple production. We tested two release rates of the predatory mite, Amblyseius womersleyi Schicha for biological control of T. urticae in two varieties of apple, 'Fuji' and 'Tsugaru'. Mass-reared A. womersleyi were transferred to apple canopies in an experimental apple orchard plot in early season when T. urticae densities were low. The effect of A. womersleyi release on T. urticae peak density was significant in both apple varieties. Tetranychus urticae peak densities were the reverse order of the release rates of A. womersleyi. Cumulative mite-days per leaf were maintained below 200 throughout the season regardless of the initial A. womersleyi release rate or apple variety. Initial settlement and subsequent conservation of A. womersleyi are suggested as important factors for successful biological control of T. urticae in apple orchards. Further research and implementation of the results are discussed relative to IPM.

収録刊行物

  • Applied entomology and zoology

    Applied entomology and zoology 39(3), 477-484, 2004-08-25

    日本応用動物昆虫学会

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被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    10013522232
  • 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
    7054473
  • 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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