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阔叶树主要虫害春尺蠖的防治

   2014-12-19 398
核心提示:春尺蠖虫还具有繁殖快,危害严重的特点,是我国北方地区阔叶树种的主要食叶虫害之一。我们根据春尺蠖的生活习性及活动规律,摸索出一套有效防治春尺蠖虫害的方法,现将其整理如下。

chunchihuochonghaijuyoufanzhikuai,weihaiyanzhongdetedian,shiwoguobeifangdiqukuoyeshuzhongdezhuyaoshiyechonghaizhiyi。womengenjuchunchihuodeshenghuoxixingjihuodongguilv,mosuochuyitaoyouxiaofangzhichunchihuochonghaidefangfa,xianjiangqizhengliruxia:

 

春尺蠖的防治方法:

1、jiaqiangzhonggenghuofangeng,keshasidaliangzhangqizaidixiayuexiaheyuedongdechongyong。

 

2、zhanchongjiaofangzhi。yuchengchongyuhuaqianzaishugan1.5mizuoyoudedifangtushualiangdaozhanchongjiao,jiaohuankuanduwei5~10limi,liangjiaohuanzhijiandejuliyiwei20~40limi,keyouxiaozhanshashangshudecichengchongheyouchong。

 

3、suliaohuanzugefangzhi。yuchengchongyuhuaqianzaishugan1mizuoyoudedifangchanraoyiquankuanduwei8~10limisuliaohuanhuojiaodai,jiaodaishangyuanjintieshugan,xiayuanliuyouyidingdekongxi,jixingchenglabakou,keyouxiaozugeshangshudecichengchongheyouchong。

 

4、hexingduojiaotibingdufangzhi。caiyonghanliangweimeihaosheng1.25*1010dejuyidingxichunchihuohexingduojiaotibingdu,meimuyongliangwei2haosheng,jiaru0.1%dexiyifen,zaichunchihuo1~2lingyouchongdadao80%shijinxingpenwufangzhi。caiyongbingdufangzhi,dangnianfangzhilvda80%yishang,diernian、disannianziranganbinglvrengzai60%yishang,kechixuyouxiaodikongzhihaichongweihai。

 

5、baohuheliyongtiandi。zaichongkoumidujiaoxiao、weihaijiaoqingdedifang,yingyangekongzhihuaxueyaojideshiyong,baohujishengjifeng、mayi、niaoleidenghaichongtiandi,weihushengtaixitongpinghenghewending,dadaoyouchongbuchengzaidelixiangzhuangtai。

 
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