什么是绿化苗木药害呢?绿化苗木药害就是在其病虫害防治过程中,因为使用药物而造成对苗木的伤害。那么为什么会发生药害呢?我们为你总结了绿化苗木发生药害的原因,xiamianyiyixiangnijieshao:
yuanyinyi、yaojizhongleixuanzebudang:rujiangyongzaimubenzhiwushenshangdeyaowupensazaicaobenzhiwushang,youyucaobenzhiwuzuzhiyounen,jiuhuichanshengyaohai。
yuanyiner、lvhuamiaomuduimouxieyaowuchanshengguomin:herenyiyang,lvhuamiaomuduiyaowuyehuichuxianguominfanying,youyumouxielvhuamiaomuxingzhideteshuxing,jishizaizhengchangshiyongqingkuangxia,yehuichanshengyaohai。
yuanyinsan、zailvhuamiaomuminganqiyongyao:gezhonglvhuamiaomudekaihuaqishiduiyaowuzuimingandeshiqi,cishiyongyaoyingshenzhong,buranhuishideqifan。
yuanyinsi、gaowen、wuzhongjixiangduishidujiaogaoshishiyongyaowu:yinweiwendugaoshi,miaomuxishouyaojijizhengtengdoubijiaokuai,shiyaojihenkuaizaiyejian、yeyuanjizhongguoduoerchanshengyaohai;wuzhong、shidudashizhishiyaodifenbubujunyunyehuichanshengyaohai。
原因五、药物浓度过高或用量过大:有些人为了克服病虫害的抗药性,而随意加大药物的使用量,也是绿化苗木发生药害的主要原因之一。