為減輕煙蚜的為害,可采用下列方法進行防治:
yishizaochuntaoyuanyadiyayuan。yanyayiluanzaitaoshushangyuedong,zaochunkejiehetaoshuzhengzhidengnongyecuoshi,xiaomiedaliangyuedongluan。ershizaiyanshizaigenbushiruhuanxiaoshayaji,ru15%鐵滅克顆粒劑,每畝地用100-200克。三是在煙田設置黃皿盤(盤直徑40厘米、深5-10厘米,裏麵染成金黃色,放置高度1米),盤(pan)內(nei)加(jia)適(shi)量(liang)水(shui),可(ke)大(da)量(liang)誘(you)殺(sha)有(you)翅(chi)蚜(ya)。另(ling)外(wai),實(shi)踐(jian)證(zheng)明(ming),使(shi)用(yong)銀(yin)灰(hui)色(se)地(di)膜(mo)或(huo)栽(zai)種(zhong)麥(mai)套(tao)煙(yan),對(dui)煙(yan)田(tian)前(qian)期(qi)避(bi)蚜(ya)防(fang)病(bing)效(xiao)果(guo)良(liang)好(hao)。四(si)是(shi)大(da)田(tian)煙(yan)蚜(ya)發(fa)生(sheng)期(qi)噴(pen)藥(yao)防(fang)治(zhi)。就(jiu)山(shan)東(dong)煙(yan)區(qu)而(er)言(yan),時(shi)間(jian)大(da)約(yue)在(zai)5月上旬至6月中旬和7月上旬至8月上旬這兩個階段。效果較好的常用藥劑有:90%萬靈粉劑5000倍液,20%康福多可溶劑4000-5000倍液,50%辟蚜霧粉劑2000倍液。注意萬靈和辟蚜霧為觸殺劑,噴藥需麵麵俱到,且以中上部葉的背麵為主;康kang福fu多duo為wei內nei吸xi觸chu殺sha劑ji,中zhong下xia部bu葉ye片pian及ji莖jing上shang也ye要yao多duo噴pen一yi些xie,具ju體ti到dao某mou一yi片pian葉ye,基ji部bu要yao比bi葉ye尖jian多duo噴pen一yi些xie,這zhe樣yang可ke保bao持chi較jiao長chang的de殘can效xiao期qi。五wu是shi從cong煙yan株zhu現xian蕾lei打da頂ding開kai始shi,結jie合he田tian間jian管guan理li,及ji時shi打da頂ding株zhu杈cha,可ke消xiao滅mie嫩nen尖jian及ji幼you杈cha上shang的de大da量liang煙yan蚜ya,並bing促cu使shi煙yan株zhu老lao化hua,創chuang造zao不bu利li於yu煙yan蚜ya取qu食shi繁fan殖zhi的de寄ji主zhu環huan境jing。
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