施設栽培トマトにおけるアザミウマ類とコナジラミ類の密度比例指数を利用した粘着板への平均誘殺個体数の推定法

DOI 日本農学文献記事索引 Web Site Web Site 参考文献14件
  • 浦入 千宗
    農業・食品産業技術総合研究機構野菜花き研究部門
  • 菅野 亘
    株式会社GRA
  • 武田 光能
    農業・食品産業技術総合研究機構野菜花き研究部門
  • 太田 泉
    農業・食品産業技術総合研究機構野菜花き研究部門

書誌事項

タイトル別名
  • Density Estimation Methods for Trapped Thrips（Thripidae）and Whitefly（Aleyrodidae）Using a Relative Density Index in a Tomato Greenhouse
  • シセツ サイバイ トマト ニ オケル アザミウマルイ ト コナジラミルイ ノ ミツド ヒレイ シスウ オ リヨウ シタ ネンチャクバン エ ノ ヘイキンユウサツコタイスウ ノ スイテイホウ

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抄録

<p>Blue and yellow sticky traps are often used for the monitoring of thrips（Thripidae）and whitefly（Aleyrodidae）, respectively, in tomato greenhouses. Little is known, however, about the appropriate number of traps that would facilitate monitoring of these pests using statistical methods. We analyzed the mean density and sample variance of thrips and whiteflies per trap, and it was revealed that both the trapped thrips and whiteflies were distributed contagiously. To monitor these pests with less effort, the precise density estimation method using a relative density index was considered. In this method, the mean density and sample variance of the low-density block are estimated from those of the high-density block. The distributed pattern of whiteflies did not change between the measured and estimated values, and the estimated proper number of traps was reduced with the estimation method. In contrast, that of thrips differed between the measured and estimated values, and the necessary number of traps should be calculated from the measured values. In this greenhouse, where a mass trapping with colored traps（each 200 sheets/10 a）was carried out, the estimation method was useful in monitoring whitefly. To expand the versatility of this method, further validation of different numbers of installed traps, types of cultivation, and greenhouses will be required.</p>

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