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青杨叶锈病的症状及防治方法

   2014-12-10 939
核心提示:青杨叶锈病又叫落叶松杨锈病,是杨树锈病中分布最广、寄主种类最多、造成损失最大的一种病,几乎有杨树的地方都能看到它的危害踪迹。因此青杨叶锈病一直是人们从事杨树生产的主要“敌人”,下面为你介绍它的症状及防治方法。

qingyangyexiubingyoujiaoluoyesongyangxiubing,shiyangshuxiubingzhongfenbuzuiguang、jizhuzhongleizuiduo、zaochengsunshizuidadeyizhongbing,jihuyouyangshudedifangdounengkandaotadeweihaizongji。yinciqingyangyexiubingyizhishirenmencongshiyangshushengchandezhuyao“diren”,xiamianweinijieshaotadezhengzhuangjifangzhifangfa。

 

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qingyangyexiubingdefangzhifangfa:

1、bimianjinjulihunzhiluoyeshuheyangshu。

2、药剂防治:波尔多液、百菌清、50%多菌灵500倍液,80%代森锌500倍液,50%托布津800倍液,70%甲基托布津1 000倍液,50%退菌特500倍液,波美0.3度石硫合剂,敌锈钠200-500倍液,粉锈宁1 500倍液等,防治本病都有比较好的效果。

3、xuanyukangxiubingshuzhong。

 
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