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紫薇长斑蚜如何防治

   2014-10-20 591
核心提示:紫薇长斑蚜又名紫薇棘尾蚜,在我国江苏地区一年可发生10多代。紫薇受到紫薇长斑蚜为害后,新梢会变得扭曲,嫩叶会卷缩且凹凸不平,进而可能还会影响到花芽的形成,甚至导致花序缩短,最严重时会造成寄主无花。下面为你介绍紫薇长斑蚜的综合防治技术。

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    1.shidangxiujian:

 

    ziweizhangbanyayiluanyuedong,zaidongjixiujianshikejianchubufendailuanzhishao,yijianshaoziweizhangbanyadechongkoushuliang。tongshihaiyingzhuyibaohuheliyonghaopiaochong、shiyaying、yajianfeng、caoling、zhizhu、shiyarongman、xiaohuachun、buxingchongdengtiandi。

 

    2.sebanyousha:

 

    keliyongyachongyouquxianghuangsedexixing,zhendongzhiwushiyouchiyachongfeixiangtuyouzhanyouwuzhidehuangse  

 

    3.yaojifangzhi:

 

    shiyaodezhongdianbuweiyingshishumudeshengzhangdianheyepianbeimian。yaojikexuanyong40%yixianjiaanlin1000zhi1500beiye,huo10%yashijingkeshixingfenji1500beiye,huo50%shamingsongruyou1000beiye,huo40%yanghualeguoruyou1000beiye,huo80%didiweiruyou1000beiye,huo2.5%xiuqingjuzhi2000zhi3000beiye,huoyutengjing1000zhi2000beiyedengpenwufangzhiziweizhangbanya,kequdelianghaodefangzhixiaoguo。

 
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