目前，我省(sheng)秋作(zuo)物各種病(bing)(bing)蟲已進入(ru)發(fa)生(sheng)危(wei)害高峰(feng)期(qi)，截至8月12日不(bu)完(wan)全(quan)統計，主(zhu)要病(bing)(bing)蟲害發(fa)生(sheng)面積(ji)達(da)14122.9萬(wan)畝次(ci)，比上一周增加973萬(wan)畝次(ci)，整體發(fa)生(sheng)程度略輕于去年(nian)。全(quan)省(sheng)累計防治13861.3萬(wan)畝次(ci)，占發(fa)生(sheng)面積(ji)的 98.1％。發(fa)生(sheng)面積(ji)較大、危(wei)害程度相對較重的病(bing)(bing)蟲主(zhu)要有玉(yu)米螟、棉鈴蟲、棉盲蝽、稻(dao)縱(zong)卷葉(xie)螟、二化(hua)(hua)螟、三(san)化(hua)(hua)螟、甜菜夜蛾、蝸牛、玉(yu)米葉(xie)類病(bing)(bing)害、棉花(hua)枯(ku)黃萎(wei)病(bing)(bing)、花(hua)生(sheng)葉(xie)斑病(bing)(bing)、花(hua)生(sheng)莖腐病(bing)(bing)等。
玉米(mi)(mi)(mi)(mi)病(bing)(bing)蟲(chong)害：全省發(fa)生(sheng)(sheng)4045.8萬(wan)(wan)畝(mu)次(ci)，防(fang)(fang)治3305萬(wan)(wan)畝(mu)次(ci)，占(zhan)發(fa)生(sheng)(sheng)面(mian)(mian)積(ji)的(de)(de)(de)(de)81.7％。其(qi)中(zhong)玉米(mi)(mi)(mi)(mi)螟(ming)發(fa)生(sheng)(sheng)1870.4萬(wan)(wan)畝(mu)，防(fang)(fang)治1884.8萬(wan)(wan)畝(mu)次(ci)，占(zhan)發(fa)生(sheng)(sheng)面(mian)(mian)積(ji)的(de)(de)(de)(de)100.8％。以周(zhou)口、商丘(qiu)、駐馬店、南陽(yang)、漯河等(deng)地發(fa)生(sheng)(sheng)面(mian)(mian)積(ji)較大(da)(da)，目(mu)前(qian)正(zheng)是二代蛹期，平均百株有殘蟲(chong)8-10頭，最高達104頭，一般被(bei)害株率達10-15％，最高達62％以上。玉米(mi)(mi)(mi)(mi)葉斑(ban)(ban)類病(bing)(bing)害：主要包括玉米(mi)(mi)(mi)(mi)大(da)(da)、小斑(ban)(ban)病(bing)(bing)、褐斑(ban)(ban)病(bing)(bing)、彎孢霉葉斑(ban)(ban)病(bing)(bing)等(deng)，共發(fa)生(sheng)(sheng)1229.8萬(wan)(wan)畝(mu)次(ci)，防(fang)(fang)治668.7萬(wan)(wan)畝(mu)次(ci)，占(zhan)發(fa)生(sheng)(sheng)面(mian)(mian)積(ji)的(de)(de)(de)(de)54.4%。棉鈴蟲(chong)：二、三代累計發(fa)生(sheng)(sheng)1848.3萬(wan)(wan)畝(mu)次(ci)，防(fang)(fang)治2093.3萬(wan)(wan)畝(mu)次(ci)，占(zhan)發(fa)生(sheng)(sheng)面(mian)(mian)積(ji)的(de)(de)(de)(de)113.3%。其(qi)中(zhong)玉米(mi)(mi)(mi)(mi)田、花(hua)生(sheng)(sheng)田、大(da)(da)豆(dou)田、蔬菜田比棉田發(fa)生(sheng)(sheng)重。目(mu)前(qian)正(zheng)是三代成(cheng)蟲(chong)盛期，田間(jian)殘蟲(chong)量(liang)相對較少。
水(shui)稻(dao)(dao)病(bing)蟲(chong)(chong)害：全(quan)省發(fa)(fa)生(sheng)(sheng)(sheng)2014.3萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，防(fang)(fang)(fang)治(zhi) 2049.8萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，占(zhan)(zhan)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)的(de)(de)(de)101.8％。稻(dao)(dao)縱(zong)卷(juan)葉螟：發(fa)(fa)生(sheng)(sheng)(sheng)340.7萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，防(fang)(fang)(fang)治(zhi)387.9萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，占(zhan)(zhan)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)的(de)(de)(de)113.9%。主(zhu)要發(fa)(fa)生(sheng)(sheng)(sheng)在信(xin)陽、南陽、駐馬店等稻(dao)(dao)區(qu)。7月底信(xin)陽市(shi)稻(dao)(dao)縱(zong)卷(juan)葉螟遷(qian)入量(liang)大大增加，平(ping)(ping)均每畝(mu)(mu)(mu)(mu)蛾量(liang)820頭(tou)。近期調查，蟲(chong)(chong)田(tian)(tian)率(lv)(lv)達(da)91%，平(ping)(ping)均百叢有(you)蟲(chong)(chong)102頭(tou)，最(zui)(zui)高(gao)達(da)400頭(tou)。近期低(di)溫高(gao)濕的(de)(de)(de)氣(qi)(qi)候十分(fen)適宜稻(dao)(dao)縱(zong)卷(juan)葉螟的(de)(de)(de)生(sheng)(sheng)(sheng)長發(fa)(fa)育，加之陰雨天氣(qi)(qi)多施藥效果(guo)差，十分(fen)有(you)利于(yu)稻(dao)(dao)縱(zong)卷(juan)葉螟暴發(fa)(fa)危害。二化(hua)螟：全(quan)省發(fa)(fa)生(sheng)(sheng)(sheng)336.9萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，防(fang)(fang)(fang)治(zhi)316.3萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，占(zhan)(zhan)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)的(de)(de)(de)93.9%，以信(xin)陽市(shi)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)大，程(cheng)度重(zhong)，平(ping)(ping)均蟲(chong)(chong)田(tian)(tian)率(lv)(lv)90%，蟲(chong)(chong)株率(lv)(lv)18%。三化(hua)螟：全(quan)省發(fa)(fa)生(sheng)(sheng)(sheng)183.4萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，防(fang)(fang)(fang)治(zhi)177.1萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，占(zhan)(zhan)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)的(de)(de)(de)96.6%。主(zhu)要發(fa)(fa)生(sheng)(sheng)(sheng)在信(xin)陽，蟲(chong)(chong)田(tian)(tian)率(lv)(lv)65%，蟲(chong)(chong)株率(lv)(lv)4.1%。稻(dao)(dao)飛虱(shi)：發(fa)(fa)生(sheng)(sheng)(sheng)228.7萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，防(fang)(fang)(fang)治(zhi)265.7萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，當前(qian)田(tian)(tian)間以白背(bei)飛虱(shi)為主(zhu)，信(xin)陽市(shi)平(ping)(ping)均蟲(chong)(chong)田(tian)(tian)率(lv)(lv)50%，百叢有(you)蟲(chong)(chong)415頭(tou)，最(zui)(zui)高(gao)1650頭(tou)。比去年同期偏低(di)。水(shui)稻(dao)(dao)紋枯病(bing)：發(fa)(fa)生(sheng)(sheng)(sheng)362.3萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)，防(fang)(fang)(fang)治(zhi)347.5萬(wan)(wan)(wan)(wan)(wan)畝(mu)(mu)(mu)(mu)次(ci)(ci)，占(zhan)(zhan)發(fa)(fa)生(sheng)(sheng)(sheng)面積(ji)的(de)(de)(de)95.9%。信(xin)陽市(shi)平(ping)(ping)均病(bing)田(tian)(tian)率(lv)(lv)80%，最(zui)(zui)高(gao)90%，病(bing)株率(lv)(lv)39%，最(zui)(zui)高(gao)81%.
棉(mian)花病(bing)蟲害：全省(sheng)發(fa)生(sheng)2421.1萬畝次(ci)，防(fang)治2976.5萬畝次(ci)，占發(fa)生(sheng)的 122.9％。棉(mian)葉螨：發(fa)生(sheng)392.1萬畝，防(fang)治509.9萬畝次(ci)。平均百株(zhu)有(you)螨231頭(tou)，最(zui)(zui)高(gao)達37100頭(tou)。其(qi)中，焦作、駐馬店(dian)、平頂山、三門峽(xia)、周(zhou)口等(deng)地(di)螨量較(jiao)(jiao)大，其(qi)它(ta)(ta)地(di)市(shi)發(fa)生(sheng)較(jiao)(jiao)輕(qing)。棉(mian)盲蝽：發(fa)生(sheng)340.4萬畝，防(fang)治418.7萬畝次(ci)。平均百株(zhu)有(you)蟲9.1頭(tou)，最(zui)(zui)高(gao)65頭(tou)。其(qi)中南陽(yang)、開(kai)封(feng)、周(zhou)口、商丘(qiu)等(deng)地(di)發(fa)生(sheng)面積(ji)較(jiao)(jiao)大，其(qi)它(ta)(ta)地(di)市(shi)零星(xing)發(fa)生(sheng)。 棉(mian)花枯黃萎病(bing)發(fa)生(sheng)450.9萬畝，防(fang)治453.1萬畝次(ci)，南陽(yang)、安陽(yang)、商丘(qiu)、周(zhou)口等(deng)地(di)發(fa)生(sheng)面積(ji)較(jiao)(jiao)大，整(zheng)體發(fa)生(sheng)程度輕(qing)于(yu)去年。
花生病蟲害：全省發生1759萬畝次，防治1461.6萬畝次，占發生面積大83.1%。主要是花生葉斑病和花生地下害蟲。其中花生葉斑病發生558.6萬畝，防治506.6萬畝次，平均病葉率16.5-20.5%，最高達100%。其中開封、鄭州、駐馬店、焦作等地比較嚴重。地下害蟲發生632萬畝，防治466萬畝次，占發生面積的73.7%。
河南省植保植檢站
