具體防治方法:在秋玉米長出6~8片新葉時,葉麵噴灑一次1000倍1.1%甲維鹽水溶液,或1000倍2.5%高(gao)效(xiao)氯(lv)氟(fu)氰(qing)菊(ju)酯(zhi)水(shui)溶(rong)液(ye),將(jiang)吸(xi)附(fu)在(zai)嫩(nen)葉(ye)上(shang)的(de)斜(xie)紋(wen)夜(ye)蛾(e)卵(luan)塊(kuai)和(he)幼(you)蟲(chong)殺(sha)死(si)滅(mie)絕(jue)。以(yi)後(hou)注(zhu)意(yi)檢(jian)查(zha)秋(qiu)玉(yu)米(mi)的(de)葉(ye)片(pian),發(fa)現(xian)葉(ye)片(pian)上(shang)有(you)斜(xie)紋(wen)夜(ye)蛾(e)為(wei)害(hai)時(shi),就(jiu)要(yao)葉(ye)麵(mian)噴(pen)灑(sa)一(yi)次(ci)1500倍20%除蟲脲、1500倍2.5%溴氰菊酯混合液,或1500倍10%滅幼脲、1500倍4.5%lvqingjuzhihunheyejinxingfangzhi。junyunpenshisuoyouyepiandeyemianyebei,yikaishiyoushuizhuwangxiadiweiyi。youyuxiewenyeezhoufuyechu,suoyizuihaoxuanzezaixiawusidianzhongyihoupenyao,bingqieyaopenshigenbuzhouweideturang,yinweixiewenyeebaitiandoushiqianfuzaigenbuzhouweidecaoconghebiaotuzhong。ruguonengzaiyaoyezhongjiaru1500倍聖農素螯合肥水溶液同噴,效果更佳,殺蟲更快、更徹底,特別是對產生抗藥性的斜紋夜蛾,能使其瞬間死亡,還能從葉麵補充養分,使秋玉米生長更好,產量更高。
斜紋夜蛾在秋玉米長出6~8pianxinyeshikaishifashengweihai,zhuyaoshiyaoshinenye,yingxiangguanghezuoyongheyangfenjilei,shizhizhushengchangshuairuoerwufazhengchangshengchang。muqianxiewenyeeweihaiqiuyumiyepianxiangdangyanzhong,bixujishijinxingpenyaofangzhi。
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