小麥赤(chi)霉病(bing)(bing)：據濱州鄒平5月(yue)30日調(diao)(diao)查，平均病(bing)(bing)穗(sui)率1.14％，最高3.5％，發(fa)(fa)(fa)生面(mian)(mian)積(ji)5萬畝左右，防(fang)治(zhi)面(mian)(mian)積(ji)約3萬畝。德州市調(diao)(diao)查赤(chi)霉病(bing)(bing)病(bing)(bing)株率一般1-3%，最高6%。濟(ji)南市濟(ji)陽縣大(da)田(tian)未(wei)見大(da)面(mian)(mian)積(ji)發(fa)(fa)(fa)病(bing)(bing)，僅(jin)稻茬麥田(tian)零(ling)星(xing)發(fa)(fa)(fa)生，發(fa)(fa)(fa)病(bing)(bing)地塊(kuai)一般病(bing)(bing)株率0.2-0.5%。淄博(bo)市小麥一般病(bing)(bing)穗(sui)率0-3%左右，全市發(fa)(fa)(fa)生面(mian)(mian)積(ji)約30萬畝，防(fang)治(zhi)面(mian)(mian)積(ji)約5萬畝。泰安肥城植保站調(diao)(diao)查大(da)田(tian)病(bing)(bing)株率為0.5-1.2%。
灰飛(fei)虱：濟南市(shi)章(zhang)丘調查(cha)(cha)春(chun)玉米田(tian)百株(zhu)(zhu)玉米有(you)蟲(chong)(chong)(chong)(chong)100～300頭(tou)(tou)。濟寧市(shi)、縣植(zhi)(zhi)保站近日在稻(dao)茬麥田(tian)調查(cha)(cha)，一代畝蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)平(ping)均(jun)(jun)498萬頭(tou)(tou)，管理差的稻(dao)茬麥田(tian)畝蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)1800萬頭(tou)(tou)以上(shang)蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)比前三年(nian)(nian)的平(ping)均(jun)(jun)值多(duo)10.91%，帶(dai)毒率23.3%。水稻(dao)秧田(tian)成(cheng)蟲(chong)(chong)(chong)(chong)每平(ping)方米1000頭(tou)(tou)以上(shang)。棗(zao)莊市(shi)5月15日始(shi)見灰飛(fei)虱，較(jiao)去年(nian)(nian)提早10天左右，開(kai)始(shi)蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)增長緩慢，至5月25日百株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)23頭(tou)(tou)，到5月27日蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)開(kai)始(shi)激增，5月29日百株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)量(liang)(liang)(liang)達(da)到113頭(tou)(tou)，遠遠超過百株(zhu)(zhu)50頭(tou)(tou)的預警指(zhi)標(biao)。威海市(shi)植(zhi)(zhi)保部門調查(cha)(cha)，該市(shi)春(chun)玉米灰飛(fei)虱蟲(chong)(chong)(chong)(chong)田(tian)率100%，蟲(chong)(chong)(chong)(chong)株(zhu)(zhu)率90—100%，單株(zhu)(zhu)有(you)蟲(chong)(chong)(chong)(chong)3-125頭(tou)(tou)，平(ping)均(jun)(jun)14.3頭(tou)(tou)/株(zhu)(zhu)，最高(gao)地塊平(ping)均(jun)(jun)蟲(chong)(chong)(chong)(chong)口密(mi)度達(da)45.6頭(tou)(tou)/株(zhu)(zhu)。
山東省植物保護總站
