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頻振式殺蟲燈誘殺茶園害蟲種類及控制效果簡要分析

  • 發布日期:2018-09-14 22:07:07
  • 瀏覽量:237
  • 文章來源:http://www.nlzxx57.top/article/20180914220809.html

調查結果表明:可誘殺7目26科68種害蟲,以同翅目和鱗翅目的數量最多,分別占誘殺害蟲總量的58.8%和37.1%。誘殺量最多的10個種害蟲分別是假眼小綠葉蟬、小綠葉蟬、黑刺粉虱、茶小蓑蛾、麗綠刺蛾、大青葉蟬和茶蓑蛾等。誘殺區茶園和非誘殺區茶園比較,8種主要害蟲(茶毛蟲、茶小蓑蛾、假眼小綠葉蟬、茶尺蠖、茶蓑蛾、小綠葉蟬、茶刺蛾和黑刺粉虱)的數量差異顯著,頻振式殺蟲燈的防治效果分別達到了81.4%、77.3%、77.0%、68.3%、67.1%、63.3%、56.5%和49.7%。頻振式殺蟲燈對天敵也有一定的誘集作用,誘集的益蟲和害蟲個體比為1:668~958。頻振式殺蟲燈對茶園害蟲誘殺量5月以后逐漸增加。7月達到高峰,8月以后逐漸減少。

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