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首页> 外文会议>International Congress of the Acarology >Movement of the two-spotted spider mite Tetranychus urticae Koch and the Kanzawa spider mite T. kanzawai Kishida (Acari: Tetranychidae) in a watermelon-pea cropping system
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Movement of the two-spotted spider mite Tetranychus urticae Koch and the Kanzawa spider mite T. kanzawai Kishida (Acari: Tetranychidae) in a watermelon-pea cropping system

机译：双斑点蜘蛛螨Tetranychus urticae koch和kanzawa蜘蛛螨T.Kanzawai Kishida（Acari：Tetranychidae）在西瓜 - 豌豆种植系统中

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摘要

The Kanzawa spider mite, Tetranychus kanzawai Kishida, and the two-spotted spider mite, T. urticae Koch (green form), are both important pests on pea and watermelon in Wakayama, Japan. In August and September, T. kanzawai maintained a low-density population on the non-cultivated host Clerodendrum tnchotomum in the border vegetation, and then dispersed into pea fields when peas were sown. The T. kanzawai population increased in density in pea fields, reaching a peak in November or December. T. urticae were not observed on border vegetation but lived on chrysanthemum during the summer, moving into pea fields in September, T. urticae occurred on chrysanthemum throughout the year, including the cultivation and nursery period. T. urticae continuously reproduced only on cultivated plants, which were under acaricide application year round, whereas T. kanzawai occurred on both cultivated and non-cultivated plants, resulting in the resistant population mixing with the susceptible population on border vegetation. These differences in their life cycles could explain the differences in susceptibility between the two mite species; T. urticoe has developed high resistance to acaricides while T. kanzawai has remained susceptible.
机译：Kanzawa蜘蛛螨，Tetranychus Kanzawai Kishida和两斑的蜘蛛螨T.荨麻疹Koch（绿色形式）是日本Wakayama的豌豆和西瓜的重要害虫。 8月和9月，T. Kanzawai在边境植被中的非栽培宿主Clerodendrum TNChotomum保持了低密度的人群，然后在豌豆播种时分散到豌豆田。 Kanzawai人口在11月或12月达到峰值的豌豆田中的密度增加。在夏天，在边境植被上没有观察到荨麻疹，但在夏季生活在菊花上，搬入豌豆田，荨麻疹全年菊花，包括培养和幼儿园。 T. Urticae仅在培养的植物中连续转载，它在血液施用植物中，而Kanzawai在栽培和非栽培植物上发生，导致抗植被抗性群体混合。这些差异的生命周期可以解释两种螨类之间易感性的差异; T. Urticoe对杀螨剂的耐高抗性，而T. Kanzawai保持敏感。

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