北京園林綠化部門回答:飛防灑藥的影響

瀏覽次數:2758來源:富慧言園林


對于近來網傳“飛機灑藥治白蛾,不要出門”的音訊,擔任北京市飛機灑藥防治林業病蟲害工作(以下簡稱“飛防”)的市林業維護站擔任人回答說,運用的藥劑對人畜無毒無害。從5月13日開端,的確有飛機灑藥抵擋美國白蛾幼蟲,現在正在房山開端榜首天的工作,但對人體健康并無影響。這次飛防運用的首要藥劑為20%除蟲脲和20%殺鈴脲兩種,均屬于昆蟲成長調節劑,作用機理是按捺昆蟲幼蟲、卵和蛹表皮幾丁質的合成,使害蟲不能正常蛻皮,蟲體變形而逝世。

該類藥劑只對具有蛻皮習性的鱗翅目害蟲(俗稱“毛毛蟲”)有用,以防治榜首、二代美國白蛾幼蟲為主,兼防國槐尺蠖等其他食葉害蟲。藥劑對人畜徹底無毒無害,對市民暴曬衣物、吃東西、郊游等出產日子無影響。

北京市的飛防工作早在1979年就開端了,市民徹底沒必要驚懼。飛防是廣泛用于農林業病蟲害防治的十分有用的手法,具有歸納成本低、防治速度快、防控作用好等特點,是國內外農林業遍及選用的防治辦法。

北京飛防工作范圍在五環以外非人員密集區的公益林、生態林和防護林上空,飛行高度間隔樹梢3—5米,不會在居民區上空噴灑工作。近幾年北京每年飛防工作架次在900架次左右,工作面積135萬畝次,分為春防、夏防和秋防3個期間進行。

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