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葡萄根部的蚜蟲如何防治 葡萄的一些常見除蟲方

來源:鮮淘網 2018-06-04 17:46:07      黃梓明 手機版

　　夏季的時候如果把葡萄放在室外許久，就會發現葡萄非常招蚊蟲，這與葡萄本身的糖分含量高有關，那么摘下的葡萄可以放冰箱保存，可種植葡萄過程中，經常會有一些病蟲來侵蝕葡萄，這就需要進行防治了，最常見的問題就是葡萄根部的蚜蟲，那么果果就來為大家解答葡萄的常見除蟲方法。

　　葡萄根部的蚜蟲如何防治

葡萄根部的蚜蟲如何防治 葡萄的一些常見除蟲方

　　蚜蟲發作時間：以初齡若蟲及少量卵在枝干或根部越冬次年氣溫上升到13℃時開始活動，4～10月均適宜其繁殖危害，7～8月降雨量過多，其繁殖力下降：若氣溫干旱，則猖獗危害。

　　蚜蟲的危害性：葡萄根部的蚜蟲主要是葡萄根瘤蚜，它是葡萄的毀滅性害蟲，屬檢疫性害蟲。

　　蚜蟲的治療方法

　　1、嚴禁從有葡萄根瘤蚜的地區引進苗木和插條，對苗：木和插條進行嚴格檢疫及消毒，如發現蚜蟲，可將苗木插條放入52～54℃的熱水中浸泡殺滅，或用50%辛硫磷乳油800～1000倍液浸泡15分鐘，撈出晾干后調運或使用。病株的根部要全部刨出燒毀，病樹根穴用50%辛硫磷乳油500倍液處理消毒。

　　2、田間發現葡萄受到根瘤蚜危害后，及時用10%吡蟲啉可濕性粉劑2000倍液或5%啶蟲脒1000倍液灌根。

　　葡萄上的薊馬怎么治

葡萄根部的蚜蟲如何防治 葡萄的一些常見除蟲方

　　薊馬的發作時間：無生長期，出現即危害!

　　薊馬的危害性：危害葡萄花蕾.幼果和嫩葉，幼果被害后，果皮出現黑點或黑斑塊，以后被害部位隨著果粒的增大而擴大，并形成黃褐色木栓化斑嚴重時變成裂果。嫩葉被害部位有水浸狀黃點或黃斑以后變成不規則的穿孔或破碎，葉片變小、畸形。

　　薊馬的特征：薊馬是一種蟲，薊馬主要是煙薊馬，雌成蟲體長1.2毫米，淡棕色，能飛善跳，擴散快。

　　治療方法

　　1、清理葡萄園內的雜草燒毀枯枝敗葉。

　　2、在開花前1～2天，樹上噴灑5%吡蟲琳乳油或3%啶蟲脒乳油2000倍液，或2.5%溴氰菊酯乳油2000～2500倍液。噴藥后5天左右檢查，如發現蟲情仍較重，則進行第二次噴藥。

　　葡萄上的綠盲蝽怎么除

葡萄根部的蚜蟲如何防治 葡萄的一些常見除蟲方

　　蚜蟲和綠盲蝽同屬于刺吸式害蟲，用藥相同，防治方法略有不同。蚜蟲防治需要噴施均勻即可。而綠盲蝽防治，則需要先噴施果園外圍，再噴施園內。原因是綠盲蝽遷徙性強，如從園內施藥它會飛到園外，所以先噴施果園外圍，封死其出路，達到包圍全園殲滅的作用。

　　種植葡萄現在已經是比較普遍的了，無論是銷售目的還是自家種植為了好看或者庇蔭，預防葡萄上的病害都是必須的，當然，一般種植環境好的時候不會出現這種問題。了解完葡萄根部的蚜蟲如何防治，想了解更多葡萄知識請繼續關注我們水果之家網。

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