caiyashishijiexingshizihuakeshucaihaichong,meinianjunzaochengjiaodasunshi。bichonglinshifangzhishucaiyachongdeyouxiaoyaojizhiyi,qichangguishiyaofangfashizaishucaiyachongfashengqijinxingquanzhupenwu,cizhongfangfabujinzhijieshashangtiandi,wurankongqi,erqiejinnianlaiyouyudaliangzhongfushiyong,bichonglinduishucaiyachongdefangzhixiaoguoyousuoxiajiang,chixiaoqisuoduan。
河(he)南(nan)省(sheng)農(nong)科(ke)院(yuan)植(zhi)保(bao)所(suo)和(he)農(nong)業(ye)部(bu)農(nong)藥(yao)檢(jian)定(ding)所(suo)的(de)科(ke)研(yan)人(ren)員(yuan)根(gen)據(ju)吡(bi)蟲(chong)啉(lin)具(ju)有(you)根(gen)係(xi)傳(chuan)導(dao)的(de)特(te)性(xing),采(cai)用(yong)播(bo)種(zhong)溝(gou)內(nei)施(shi)藥(yao)或(huo)移(yi)栽(zai)時(shi)穴(xue)施(shi)的(de)方(fang)法(fa)防(fang)治(zhi)地(di)上(shang)蚜(ya)蟲(chong),以(yi)求(qiu)通(tong)過(guo)吡(bi)蟲(chong)啉(lin)施(shi)藥(yao)技(ji)術(shu)的(de)改(gai)進(jin)使(shi)之(zhi)發(fa)揮(hui)更(geng)好(hao)的(de)控(kong)製(zhi)效(xiao)果(guo)。盆(pen)栽(zai)接(jie)蟲(chong)試(shi)驗(yan)結(jie)果(guo)表(biao)明(ming),5%吡蟲啉顆粒劑與10%吡蟲啉可濕性粉劑采取播種前穴施法,在30克/畝有效成分的劑量下,對蘿卜蚜蟲防效顯著,藥後10-20天,接蟲成功率均為0。田間試驗結果表明,5%吡蟲啉顆粒劑與10%吡蟲啉可濕性粉劑采取播種時拌土溝施,在30克/畝有效成分的劑量下,對蘿卜蚜蟲防效顯著,藥後15天,分別為98.3%和92.2%;藥後25-35天,均達到100%。
根gen據ju以yi上shang試shi驗yan結jie果guo,可ke以yi看kan出chu播bo種zhong溝gou施shi藥yao或huo移yi栽zai時shi穴xue施shi吡bi蟲chong啉lin顆ke粒li劑ji或huo可ke濕shi性xing粉fen劑ji,對dui十shi字zi花hua科ke蔬shu菜cai蚜ya蟲chong均jun具ju有you很hen好hao的de防fang治zhi效xiao果guo,持chi效xiao期qi長chang達da1個月以上,可控製整個生育期蚜蟲的危害。與常規整株噴霧施藥方法相比,具有省工、保護天敵、保護環境、隻殺害蟲等優點。同時對地下害蟲(螻蛄、根蛆等)具兼治作用,值得大力推廣應用。
手機版




