誤區一:重(zhong)成(cheng)蟲(chong)期(qi)噴(pen)藥(yao)防(fang)治(zhi),輕(qing)蟲(chong)蛹(yong)期(qi)撒(sa)毒(du)土(tu)防(fang)治(zhi)小(xiao)麥(mai)吸(xi)漿(jiang)蟲(chong)的(de)每(mei)個(ge)生(sheng)長(chang)發(fa)育(yu)階(jie)段(duan),永(yong)遠(yuan)與(yu)小(xiao)麥(mai)的(de)生(sheng)長(chang)發(fa)育(yu)相(xiang)一(yi)致(zhi),即(ji)小(xiao)麥(mai)孕(yun)穗(sui)期(qi),吸(xi)漿(jiang)蟲(chong)出(chu)土(tu)化(hua)蛹(yong),小(xiao)麥(mai)抽(chou)穗(sui)期(qi)吸(xi)漿(jiang)蟲(chong)羽(yu)化(hua),小(xiao)麥(mai)灌(guan)漿(jiang)初(chu)期(qi)幼(you)蟲(chong)孵(fu)化(hua)。防(fang)治(zhi)吸(xi)漿(jiang)蟲(chong)要(yao)堅(jian)持(chi)蟲(chong)蛹(yong)期(qi)和(he)成(cheng)蟲(chong)期(qi)防(fang)治(zhi)並(bing)重(zhong)的(de)策(ce)略(lve),不(bu)失(shi)時(shi)機(ji)地(di)抓(zhua)好(hao)這(zhe)兩(liang)個(ge)環(huan)節(jie),才(cai)能(neng)提(ti)高(gao)防(fang)治(zhi)效(xiao)果(guo),使(shi)吸(xi)漿(jiang)蟲(chong)對(dui)小(xiao)麥(mai)不(bu)造(zao)成(cheng)危(wei)害(hai)。個(ge)別(bie)農(nong)戶(hu)蟲(chong)蛹(yong)期(qi)不(bu)撒(sa)毒(du)土(tu)防(fang)治(zhi),單(dan)靠(kao)成(cheng)蟲(chong)期(qi)噴(pen)藥(yao)防(fang)治(zhi),勢(shi)必(bi)造(zao)成(cheng)成(cheng)蟲(chong)期(qi)羽(yu)化(hua)的(de)蟲(chong)子(zi)數(shu)量(liang)多(duo),增(zeng)加(jia)防(fang)治(zhi)難(nan)度(du)。如(ru)能(neng)在(zai)蟲(chong)蛹(yong)期(qi)及(ji)時(shi)撒(sa)毒(du)土(tu)防(fang)治(zhi),就(jiu)抓(zhua)住(zhu)了(le)消(xiao)滅(mie)吸(xi)漿(jiang)蟲(chong)的(de)最(zui)佳(jia)時(shi)機(ji),為(wei)以(yi)後(hou)成(cheng)蟲(chong)期(qi)防(fang)治(zhi)減(jian)少(shao)了(le)蟲(chong)源(yuan)。因(yin)此(ci),蟲(chong)蛹(yong)期(qi)防(fang)治(zhi)是(shi)非(fei)常(chang)關(guan)鍵(jian)、必不可少的。
誤區二:行動拖拉,抓不住防治關鍵期小麥吸漿蟲防治關鍵期短,蟲蛹期1周左右,成蟲期3tianzuoyou,zhelianggehuanjieyeshixijiangchongshengcunzuiboruodehuanjie,shifangzhidezuijiashiji。zhibaobumenyidanfachuchongqingyuceyubao,jiuyaokuaisuxingdong,yanfangtuola,cuoguozuijiafangzhishiji,zaochengbubiyaodesunshi。
誤區三:盲(mang)目(mu)用(yong)藥(yao),操(cao)作(zuo)不(bu)規(gui)範(fan)當(dang)前(qian)撒(sa)毒(du)土(tu)防(fang)治(zhi)吸(xi)漿(jiang)蟲(chong)蟲(chong)蛹(yong)的(de)農(nong)藥(yao)品(pin)種(zhong)缺(que)乏(fa),致(zhi)使(shi)農(nong)民(min)朋(peng)友(you)難(nan)以(yi)選(xuan)擇(ze),加(jia)重(zhong)了(le)亂(luan)用(yong)藥(yao)的(de)現(xian)象(xiang),造(zao)成(cheng)防(fang)治(zhi)效(xiao)果(guo)不(bu)佳(jia)。據(ju)試(shi)驗(yan),當(dang)前(qian)防(fang)治(zhi)蟲(chong)蛹(yong)期(qi)的(de)藥(yao)劑(ji),以(yi)2.5%甲基異柳磷顆粒劑和5%毒死蜱顆粒劑為好。成蟲期防治以5%高效氯氰菊酯或高效氯氟氰菊酯,與敵敵畏、吡(bi)蟲(chong)啉(lin)混(hun)合(he),既(ji)防(fang)吸(xi)漿(jiang)蟲(chong),又(you)防(fang)蚜(ya)蟲(chong)。撒(sa)毒(du)土(tu)時(shi)不(bu)要(yao)帶(dai)露(lu)水(shui)撒(sa)施(shi),避(bi)免(mian)藥(yao)劑(ji)粘(zhan)在(zai)葉(ye)子(zi)上(shang)造(zao)成(cheng)藥(yao)害(hai),影(ying)響(xiang)藥(yao)效(xiao)發(fa)揮(hui),同(tong)時(shi)要(yao)將(jiang)撒(sa)在(zai)葉(ye)子(zi)上(shang)的(de)毒(du)土(tu)彈(dan)落(luo)在(zai)地(di)麵(mian),以(yi)充(chong)分(fen)發(fa)揮(hui)藥(yao)效(xiao)。
誤區四:penyaoyongshuishao,yingxiangyaoxiaofahuipenyaofangzhixijiangchong,maizhuchoumi,chengchongduohuodongzaimaicongzhong,yincipenyaoyidingyaopenyundatou。youdenonghumeimuzhiyongyipenwuqiyaoye,xishuixiyao,wufapenyundatou,yanzhongyingxiangyaoxiaodefahui。shiyongchangguipenwuqimeimuyongshuiliangyizai45-60公斤。
誤區五:隻(zhi)噴(pen)藥(yao),不(bu)檢(jian)查(zha)防(fang)治(zhi)效(xiao)果(guo)有(you)的(de)農(nong)戶(hu)防(fang)治(zhi)吸(xi)漿(jiang)蟲(chong),認(ren)為(wei)噴(pen)了(le)藥(yao)就(jiu)萬(wan)事(shi)大(da)吉(ji)了(le),不(bu)注(zhu)意(yi)檢(jian)查(zha)防(fang)治(zhi)效(xiao)果(guo)。要(yao)在(zai)噴(pen)藥(yao)後(hou)的(de)第(di)二(er)天(tian)檢(jian)查(zha)防(fang)治(zhi)效(xiao)果(guo),如(ru)發(fa)現(xian)撥(bo)開(kai)麥(mai)壟(long)一(yi)眼(yan)可(ke)見(jian)1-2頭成蟲時,說明防治效果不佳,需要立即進行補噴。
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