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江蘇省四代斜紋夜蛾、甜菜夜蛾發生趨勢


農資網 2017年9月11日 09:54 來源:江蘇省植保站

根據部(bu)(bu)分(fen)(fen)蔬菜病蟲(chong)(chong)(chong)監測(ce)點監測(ce)調(diao)查(cha),8月下旬以來,我省蔬菜產區夜蛾(e)類害(hai)(hai)蟲(chong)(chong)(chong)成蟲(chong)(chong)(chong)盛發(fa)期(qi)長、蛾(e)量高(gao),部(bu)(bu)分(fen)(fen)在田蔬菜、大(da)豆、花(hua)生(sheng)、芋頭田蟲(chong)(chong)(chong)卵量大(da),結合天氣情況(kuang)綜(zong)合分(fen)(fen)析(xi),預(yu)計四代斜(xie)紋夜蛾(e)將偏(pian)重發(fa)生(sheng),局(ju)部(bu)(bu)地區大(da)發(fa)生(sheng);甜菜夜蛾(e)中等發(fa)生(sheng),局(ju)部(bu)(bu)偏(pian)重。各地要切實做好(hao)蟲(chong)(chong)(chong)情監測(ce),加強防治技術(shu)指導(dao),適(shi)時組織防治,有(you)效(xiao)控制危害(hai)(hai),確保秋(qiu)季(ji)在田蔬菜、大(da)豆、花(hua)生(sheng)等作物正常生(sheng)長和品質安全(quan)。

一、發生情況

1、斜紋夜蛾

近(jin)期(qi)蛾(e)(e)量(liang)(liang)增長較(jiao)快(kuai)。通州性(xing)(xing)誘(you)(you)(you)劑(ji)(ji)監測,自8月(yue)1日(ri)(ri)(ri)(ri)(ri)-9月(yue)4日(ri)(ri)(ri)(ri)(ri)累(lei)計(ji)誘(you)(you)(you)蛾(e)(e)1594頭(tou)(tou)(tou),誘(you)(you)(you)蛾(e)(e)量(liang)(liang)高于(yu)2015年(nian)(nian)、低于(yu)2016年(nian)(nian)同期(qi)(2015年(nian)(nian)754.7頭(tou)(tou)(tou),2016年(nian)(nian)5471.7頭(tou)(tou)(tou)),分別于(yu)8月(yue)26日(ri)(ri)(ri)(ri)(ri)、8月(yue)29-30日(ri)(ri)(ri)(ri)(ri)、9月(yue)3-4日(ri)(ri)(ri)(ri)(ri)出現(xian)3個(ge)明顯(xian)(xian)的峰(feng)(feng),以9月(yue)3-4日(ri)(ri)(ri)(ri)(ri)誘(you)(you)(you)蛾(e)(e)量(liang)(liang)最多,單個(ge)誘(you)(you)(you)芯(xin)平(ping)均(jun)誘(you)(you)(you)蛾(e)(e)209.7頭(tou)(tou)(tou)。阜寧8月(yue)21日(ri)(ri)(ri)(ri)(ri)-9月(yue)5日(ri)(ri)(ri)(ri)(ri),累(lei)計(ji)單個(ge)誘(you)(you)(you)芯(xin)誘(you)(you)(you)蛾(e)(e)66頭(tou)(tou)(tou),9月(yue)4日(ri)(ri)(ri)(ri)(ri)出現(xian)一(yi)個(ge)較(jiao)小蛾(e)(e)峰(feng)(feng),峰(feng)(feng)日(ri)(ri)(ri)(ri)(ri)蛾(e)(e)量(liang)(liang)18頭(tou)(tou)(tou)。如(ru)皋(gao)8月(yue)25日(ri)(ri)(ri)(ri)(ri)-9月(yue)3日(ri)(ri)(ri)(ri)(ri)性(xing)(xing)誘(you)(you)(you)劑(ji)(ji)累(lei)計(ji)誘(you)(you)(you)蛾(e)(e)4023.25頭(tou)(tou)(tou),高于(yu)去年(nian)(nian)同期(qi)(1139頭(tou)(tou)(tou)),8月(yue)28日(ri)(ri)(ri)(ri)(ri)-9月(yue)1日(ri)(ri)(ri)(ri)(ri)出現(xian)蛾(e)(e)峰(feng)(feng),峰(feng)(feng)期(qi)單個(ge)誘(you)(you)(you)芯(xin)平(ping)均(jun)誘(you)(you)(you)蛾(e)(e)2325.75頭(tou)(tou)(tou)。豐縣8月(yue)5日(ri)(ri)(ri)(ri)(ri)-9月(yue)4日(ri)(ri)(ri)(ri)(ri)性(xing)(xing)誘(you)(you)(you)劑(ji)(ji)累(lei)計(ji)誘(you)(you)(you)蛾(e)(e)305頭(tou)(tou)(tou),8月(yue)30日(ri)(ri)(ri)(ri)(ri)-9月(yue)3日(ri)(ri)(ri)(ri)(ri)出現(xian)蛾(e)(e)峰(feng)(feng),峰(feng)(feng)期(qi)蛾(e)(e)量(liang)(liang)153頭(tou)(tou)(tou)。蘇州8月(yue)31日(ri)(ri)(ri)(ri)(ri)止,性(xing)(xing)誘(you)(you)(you)劑(ji)(ji)累(lei)計(ji)誘(you)(you)(you)蛾(e)(e)3129.9頭(tou)(tou)(tou),明顯(xian)(xian)低于(yu)近(jin)三年(nian)(nian)同期(qi)誘(you)(you)(you)蛾(e)(e)量(liang)(liang)(2016年(nian)(nian)10019.8頭(tou)(tou)(tou);2015年(nian)(nian)8616.2頭(tou)(tou)(tou);2014年(nian)(nian)4960.65頭(tou)(tou)(tou))。如(ru)東8月(yue)29日(ri)(ri)(ri)(ri)(ri)性(xing)(xing)誘(you)(you)(you)出現(xian)蛾(e)(e)高峰(feng)(feng),單盆平(ping)均(jun)213頭(tou)(tou)(tou)(河口),133頭(tou)(tou)(tou)(苴鎮)。

田(tian)(tian)間(jian)蟲(chong)(chong)(chong)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)高。蘇州市甘(gan)藍(lan)田(tian)(tian)系統(tong)調(diao)(diao)(diao)查(cha)(cha),8月(yue)30日(ri)(ri)平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)63.26條·塊(kuai)(kuai)(kuai),低(di)于(yu)去年同期(qi)(161.75條·塊(kuai)(kuai)(kuai))。通州甘(gan)藍(lan)田(tian)(tian)系統(tong)調(diao)(diao)(diao)查(cha)(cha),8月(yue)28日(ri)(ri)、9月(yue)1日(ri)(ri)田(tian)(tian)間(jian)有(you)明(ming)顯的(de)產卵(luan)(luan)(luan)高峰(當日(ri)(ri)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)新增(zeng)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)10塊(kuai)(kuai)(kuai)、15塊(kuai)(kuai)(kuai)),至9月(yue)4日(ri)(ri),田(tian)(tian)間(jian)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)累計卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)30塊(kuai)(kuai)(kuai);9月(yue)4日(ri)(ri)調(diao)(diao)(diao)查(cha)(cha)6塊(kuai)(kuai)(kuai)芋頭(tou)(tou)(tou)(tou)田(tian)(tian),平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)5(0-15)塊(kuai)(kuai)(kuai),平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)11.7(0-35)頭(tou)(tou)(tou)(tou);調(diao)(diao)(diao)查(cha)(cha)4塊(kuai)(kuai)(kuai)防治后甘(gan)藍(lan)田(tian)(tian),平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)5(0-12)塊(kuai)(kuai)(kuai),平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)23(0-84)頭(tou)(tou)(tou)(tou);大豆(dou)田(tian)(tian)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)2塊(kuai)(kuai)(kuai),百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)94頭(tou)(tou)(tou)(tou)。如東系統(tong)查(cha)(cha)卵(luan)(luan)(luan),8月(yue)31日(ri)(ri)達到高峰,百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)8塊(kuai)(kuai)(kuai)。9月(yue)5日(ri)(ri)調(diao)(diao)(diao)查(cha)(cha)10塊(kuai)(kuai)(kuai)花(hua)(hua)椰菜(cai)田(tian)(tian),有(you)卵(luan)(luan)(luan)田(tian)(tian)率(lv)40%,平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)1.2(0-6)塊(kuai)(kuai)(kuai);有(you)蟲(chong)(chong)(chong)田(tian)(tian)率(lv)40%,平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)3.4(0-20)頭(tou)(tou)(tou)(tou)。大豐9月(yue)3日(ri)(ri)調(diao)(diao)(diao)查(cha)(cha),甘(gan)藍(lan)苗期(qi)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)22.2頭(tou)(tou)(tou)(tou);大豆(dou)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)18.9頭(tou)(tou)(tou)(tou)。浦(pu)口區8月(yue)30-31日(ri)(ri)普查(cha)(cha)7塊(kuai)(kuai)(kuai)大豆(dou),平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)187頭(tou)(tou)(tou)(tou)。如皋9月(yue)4日(ri)(ri)調(diao)(diao)(diao)查(cha)(cha)芋頭(tou)(tou)(tou)(tou)田(tian)(tian),百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)14.2塊(kuai)(kuai)(kuai);大豆(dou)田(tian)(tian)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)1塊(kuai)(kuai)(kuai)。常(chang)熟9月(yue)5日(ri)(ri)調(diao)(diao)(diao)查(cha)(cha)花(hua)(hua)菜(cai)16塊(kuai)(kuai)(kuai)田(tian)(tian),百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)0,平(ping)(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)1.1(0-8)塊(kuai)(kuai)(kuai)。

2、甜菜夜蛾

通州性(xing)誘(you)(you)劑監(jian)(jian)測(ce),8月(yue)(yue)(yue)(yue)(yue)(yue)1日(ri)(ri)(ri)(ri)-9月(yue)(yue)(yue)(yue)(yue)(yue)4日(ri)(ri)(ri)(ri)累(lei)計誘(you)(you)蛾(e)(e)(e)(e)(e)410.67頭(tou)(tou)(tou)(tou)(tou),誘(you)(you)蛾(e)(e)(e)(e)(e)量(liang)高于(yu)2015年、略低于(yu)2016年同期(qi)(qi)(qi)(2015年172.3頭(tou)(tou)(tou)(tou)(tou),2016年435.7頭(tou)(tou)(tou)(tou)(tou)),分別在(zai)8月(yue)(yue)(yue)(yue)(yue)(yue)19-21日(ri)(ri)(ri)(ri)、8月(yue)(yue)(yue)(yue)(yue)(yue)29日(ri)(ri)(ri)(ri)出現(xian)(xian)2個峰(feng),以8月(yue)(yue)(yue)(yue)(yue)(yue)19-21日(ri)(ri)(ri)(ri)誘(you)(you)蛾(e)(e)(e)(e)(e)量(liang)多(duo),峰(feng)期(qi)(qi)(qi)誘(you)(you)蛾(e)(e)(e)(e)(e)66頭(tou)(tou)(tou)(tou)(tou)。如皋8月(yue)(yue)(yue)(yue)(yue)(yue)25日(ri)(ri)(ri)(ri)-9月(yue)(yue)(yue)(yue)(yue)(yue)3日(ri)(ri)(ri)(ri)累(lei)計誘(you)(you)蛾(e)(e)(e)(e)(e)120.25頭(tou)(tou)(tou)(tou)(tou),高于(yu)去年同期(qi)(qi)(qi)(83.5頭(tou)(tou)(tou)(tou)(tou)),于(yu)8月(yue)(yue)(yue)(yue)(yue)(yue)28日(ri)(ri)(ri)(ri)-9月(yue)(yue)(yue)(yue)(yue)(yue)1日(ri)(ri)(ri)(ri)出現(xian)(xian)蛾(e)(e)(e)(e)(e)峰(feng),峰(feng)期(qi)(qi)(qi)誘(you)(you)蛾(e)(e)(e)(e)(e)79.25頭(tou)(tou)(tou)(tou)(tou)。阜寧8月(yue)(yue)(yue)(yue)(yue)(yue)21日(ri)(ri)(ri)(ri)-9月(yue)(yue)(yue)(yue)(yue)(yue)5日(ri)(ri)(ri)(ri),累(lei)計誘(you)(you)蛾(e)(e)(e)(e)(e)66頭(tou)(tou)(tou)(tou)(tou),9月(yue)(yue)(yue)(yue)(yue)(yue)4日(ri)(ri)(ri)(ri)出現(xian)(xian)蛾(e)(e)(e)(e)(e)峰(feng),峰(feng)日(ri)(ri)(ri)(ri)蛾(e)(e)(e)(e)(e)量(liang)18頭(tou)(tou)(tou)(tou)(tou)。邳州8月(yue)(yue)(yue)(yue)(yue)(yue)15-29日(ri)(ri)(ri)(ri)累(lei)計燈下(xia)誘(you)(you)蛾(e)(e)(e)(e)(e)量(liang)1185頭(tou)(tou)(tou)(tou)(tou)。豐縣8月(yue)(yue)(yue)(yue)(yue)(yue)6日(ri)(ri)(ri)(ri)至9月(yue)(yue)(yue)(yue)(yue)(yue)4日(ri)(ri)(ri)(ri)性(xing)誘(you)(you)劑單個誘(you)(you)芯累(lei)計誘(you)(you)蛾(e)(e)(e)(e)(e)448頭(tou)(tou)(tou)(tou)(tou),蛾(e)(e)(e)(e)(e)高峰(feng)出現(xian)(xian)在(zai)8月(yue)(yue)(yue)(yue)(yue)(yue)8-9日(ri)(ri)(ri)(ri),9月(yue)(yue)(yue)(yue)(yue)(yue)1-3日(ri)(ri)(ri)(ri)出現(xian)(xian)一個小峰(feng),峰(feng)期(qi)(qi)(qi)蛾(e)(e)(e)(e)(e)量(liang)40頭(tou)(tou)(tou)(tou)(tou)。如東(dong)監(jian)(jian)測(ce)一直沒(mei)有明(ming)顯蛾(e)(e)(e)(e)(e)峰(feng)。

常熟9月(yue)(yue)5日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)花菜(cai)16塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)田(tian)(tian)(tian),平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)30.2(0-250)頭(tou)(tou)(tou),平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)1.3(0-10)塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)。大(da)豐(feng)9月(yue)(yue)3日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha),甘藍(lan)苗期(qi)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)23.6頭(tou)(tou)(tou);大(da)豆百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)18.9頭(tou)(tou)(tou)。如東(dong)系(xi)統查(cha)(cha)(cha)(cha)(cha)(cha)卵(luan)(luan)(luan),8月(yue)(yue)31日(ri)達(da)到高峰,百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)7塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)。9月(yue)(yue)5日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)10塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)花椰菜(cai)田(tian)(tian)(tian),有卵(luan)(luan)(luan)田(tian)(tian)(tian)率20%,平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)0.4(0-4)塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai);有蟲(chong)(chong)(chong)(chong)(chong)(chong)田(tian)(tian)(tian)率60%,百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)13(0-56)頭(tou)(tou)(tou)。通(tong)州(zhou)甘藍(lan)田(tian)(tian)(tian)系(xi)統調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha),8月(yue)(yue)24日(ri)見(jian)卵(luan)(luan)(luan),百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)5塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),8月(yue)(yue)30日(ri)百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)5塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),累計百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)10塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)。8月(yue)(yue)29-30日(ri)普(pu)查(cha)(cha)(cha)(cha)(cha)(cha),豇豆上平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)27.5(0-50)頭(tou)(tou)(tou);花菜(cai)田(tian)(tian)(tian)平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)5(0-10)塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)22.5(10-40)頭(tou)(tou)(tou)。江寧區8月(yue)(yue)30日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)包(bao)菜(cai),平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)2.5(0-18)頭(tou)(tou)(tou),莧(xian)菜(cai)平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)0.5(0-10頭(tou)(tou)(tou))。浦口(kou)區8月(yue)(yue)30-31日(ri)普(pu)查(cha)(cha)(cha)(cha)(cha)(cha)7塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)大(da)豆田(tian)(tian)(tian),田(tian)(tian)(tian)間甜(tian)菜(cai)夜蛾幼蟲(chong)(chong)(chong)(chong)(chong)(chong)零(ling)星(xing)查(cha)(cha)(cha)(cha)(cha)(cha)見(jian)。蘇州(zhou)市甘藍(lan)田(tian)(tian)(tian)系(xi)統調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha),8月(yue)(yue)30日(ri)平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)84.33條(tiao)·塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),高于去年(nian)(39.6條(tiao)·塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai))。鹽都8月(yue)(yue)29日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)青(qing)菜(cai)12棚(peng),百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)19.6(0-48)頭(tou)(tou)(tou);調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)空(kong)心菜(cai)5塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)116.8(8-315)頭(tou)(tou)(tou);調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)杭椒4棚(peng),百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)42.8(0-118)頭(tou)(tou)(tou);調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)花生(sheng)4塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)12.4(0-52)頭(tou)(tou)(tou)。東(dong)臺8月(yue)(yue)30日(ri)普(pu)查(cha)(cha)(cha)(cha)(cha)(cha)花菜(cai)14塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),見(jian)卵(luan)(luan)(luan)田(tian)(tian)(tian)率35.7%,平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)卵(luan)(luan)(luan)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)2.1(0-10)塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai),見(jian)蟲(chong)(chong)(chong)(chong)(chong)(chong)田(tian)(tian)(tian)率50%,平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)11.8(0-80)頭(tou)(tou)(tou)。邳州(zhou)8月(yue)(yue)30日(ri)調(diao)(diao)查(cha)(cha)(cha)(cha)(cha)(cha)大(da)豆50塊(kuai)(kuai)(kuai)(kuai)(kuai)(kuai)田(tian)(tian)(tian),蟲(chong)(chong)(chong)(chong)(chong)(chong)田(tian)(tian)(tian)率100%,平(ping)(ping)均(jun)(jun)百(bai)(bai)(bai)(bai)株(zhu)(zhu)蟲(chong)(chong)(chong)(chong)(chong)(chong)量(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)(liang)51.8(34-122)頭(tou)(tou)(tou)。

二、防治意見

斜紋夜(ye)蛾(e)(e)、甜菜夜(ye)蛾(e)(e)是(shi)我省(sheng)秋季蔬(shu)菜、大(da)豆、花生等多種在(zai)田(tian)作物(wu)生產上的重要害(hai)蟲(chong),寄主(zhu)范圍廣、食(shi)性雜,危害(hai)作物(wu)種類(lei)多。9月上中旬(xun)將進(jin)入兩種夜(ye)蛾(e)(e)類(lei)害(hai)蟲(chong)低齡幼蟲(chong)高峰期(qi),正是(shi)防(fang)治的有利時期(qi),錯過防(fang)治適期(qi)后大(da)齡幼蟲(chong)抗藥性強(qiang),防(fang)治難度(du)大(da)。各地要根據蟲(chong)情,對十字(zi)花科蔬(shu)菜、芋頭、豆類(lei)、花生等高蟲(chong)量田(tian)塊,及時組織(zhi)開展防(fang)治。

1、誘(you)(you)殺(sha)成蟲。利(li)用性(xing)誘(you)(you)劑和(he)殺(sha)蟲燈誘(you)(you)殺(sha)成蟲。

2、農(nong)業防治(zhi)。根據初孵幼蟲群集危害(hai)的特(te)性,結(jie)合農(nong)事操作,及時摘(zhai)除初孵蟲卵(luan)葉、捏殺(sha)卵(luan)塊和(he)蟲窩(wo),降低田間害(hai)蟲發生(sheng)數量。

3、藥劑(ji)(ji)防(fang)治。于卵孵(fu)高(gao)峰至(zhi)1~2齡(ling)幼(you)蟲(chong)盛期防(fang)治,間(jian)隔(ge)5-7天(tian)再用(yong)藥一次,防(fang)治藥劑(ji)(ji)可(ke)選用(yong)短穩桿菌(jun)、蘇云金桿菌(jun)、斜(xie)紋夜(ye)蛾核型多角體病(bing)毒、甜菜夜(ye)蛾核型多角體病(bing)毒、氯蟲(chong)苯甲酰胺、蟲(chong)螨腈(jing)、蟲(chong)酰肼、茚(yin)蟲(chong)威等(deng)藥劑(ji)(ji)。

4、注意事項

(1)夜(ye)蛾類幼蟲(chong)有晝伏夜(ye)出的(de)習性,宜(yi)在傍晚(wan)噴(pen)藥(yao),噴(pen)藥(yao)時(shi)要將葉(xie)片正反面(mian)噴(pen)到,同(tong)時(shi)對植(zhi)株根際附近地面(mian)也要同(tong)時(shi)噴(pen)透,以防滾落地面(mian)或鉆入土表層的(de)幼蟲(chong)漏治(zhi)。

(2)注(zhu)意藥劑交替使用,防止害蟲(chong)產生抗藥性。

(3)嚴禁使用禁用限用農藥,嚴格遵守農藥安全間隔期的規定用藥。

(4)養蠶地區要注意對蠶的保護,確保不發生中毒事故。

( 責任編輯:YanBO)
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