Current and Future Integrated Pest Management Strategies for <i>Tetranychus urticae</i>（Acari: Tetranycidae）in Strawberry Forcing Culture: Current Status and Future IPM Strategies in Fukuoka Prefecture, Japan

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  • 促成栽培イチゴのナミハダニ（ダニ目：ハダニ科）に対するIPMの現状と将来展望—福岡県における事例を踏まえて—
  • 特集 天敵利用の関連研究と日本における技術開発・普及 促成栽培イチゴのナミハダニ(ダニ目:ハダニ科)に対するIPMの現状と将来展望 : 福岡県における事例を踏まえて
  • トクシュウ テンテキ リヨウ ノ カンレン ケンキュウ ト ニホン ニ オケル ギジュツ カイハツ ・ フキュウ ソクセイ サイバイ イチゴ ノ ナミハダニ(ダニモク:ハダニカ)ニ タイスル IPM ノ ゲンジョウ ト ショウライ テンボウ : フクオカケン ニ オケル ジレイ オ フマエテ

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Abstract

<p>The two-spotted spider mite Tetranychus urticae Koch is a major pest affecting strawberry production in Japan. Because T. urticae can develop resistance to numerous pesticides, chemical control of the mite throughout the strawberry-growing seasons is difficult. For establishing effective integrated pest management（IPM）strategies for T. urticae, several alternative control measures have been studied. As biological controls, the phytoseiid mites Phytoseiulus persimilis Athias-Henriot and Neoseiulus californicus（McGregor）have been successfully used in many areas. Recently, attempts were made to protect and enhance N. californicus against environmental stress using sheltered sachets and alternative foods. Indigenous natural predators of T. urticae have also been used. As a physical control, CO2 fumigation has been used to markedly suppress the spider mite population in strawberry plants. Ultraviolet-B radiation and vapor heat treatment have also been considered as alternative control measures. These IPM strategies can contribute to effectively controlling T. urticae and reducing the use of acaricides. Practical IPM strategies should be developed through the cooperation of farmers, advisers, and researchers.</p>

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