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关于印发2022年玉米病虫草害综合防控技术意见的通知

2022-06-15 12:00:09 来源:山东省农业技术推广中心 阅读量:18499 评论

导读:山东省农业技术推广中心印发《2022玉米病虫草害综合防控技术意见》.

  山东省农业技术推广中心关于印发2022年玉米病虫草害综合防控技术意见的通知
 
  鲁农技植保字〔2022〕15号
 
  各市农业技术推广(农业技术推广服务、数字农业农村发展、农业农机技术推广、农业综合服务、农业农村事务服务、农业技术服务、农业技术推广与种业)中心:
 
  现将《2022玉米病虫草害综合防控技术意见》印发给你们,请结合本地实际,落实关键措施,认真做好玉米病虫草害防治工作,确保秋粮生产安全。
 
  附件:2022年玉米病虫草害综合防控技术意见
 
  山东省农业技术推广中心
 
  2022年6月13日
 
  2022年玉米病虫草害综合防控技术意见
 
  2022年,我省玉米病虫草害主要有玉米叶斑类病、玉米茎基腐病、玉米锈病、草地贪夜蛾、玉米螟、二点委夜蛾、玉米蓟马、粘虫、玉米穗虫、蚜虫、地下害虫及杂草等。各地要坚持预防为主、分类指导、联防联控的原则,着力推进专业化统防统治与绿色防控融合,抓好玉米病虫草害综合治理。重大病虫防治处置率达90%以上,总体危害损失控制在5%以内,切实保障玉米生产安全。
 
  一、加强监测预警
 
  及早行动,加密监测网点设置和调查频次。针对草地贪夜蛾,要加大加密我省南部地区与江苏、河南、安徽省份毗邻的市县的监测力度和网点。全面启用诱捕器、诱虫灯、高空灯等监测设备,及时观察诱捕动态。充分利用“黄淮海阻截带”,严格做好草地贪夜蛾调查监测和防控阻截。做好病虫系统调查和大田普查,全面、准确掌握玉米各生育期病虫实时发生情况。及时分析会商,发布预警预报,加快病虫信息传播,扩大信息覆盖面。加强信息调度,严格周报制度,随时上报草地贪夜蛾、粘虫、玉米锈病等易突发暴发病虫动态。要注意7月中旬至9月份气象变化,特别是鲁西南、胶东地区,要提早行动,加大玉米锈病调查监测,准确把握病情动态。适时开展拉网式大田普查,积极发动种植大户、合作社、专业化防治服务组织等社会力量,协助农技人员做好普查,力争实现草地贪夜蛾等重大病虫监测“县不漏乡、乡不漏村、村不漏田”。
 
  二、落实防控措施
 
  (一)选用抗病品种。各地要结合本地实际,优选耐密植、抗倒伏、宜机作、高产抗病品种。籽粒玉米,可选金海5号、鲁单818、连胜216、郑单958、鲁单981、青科8号、黎民362、登海DT718、润玉605、金王16、良玉99号、金来705等品种,可抗玉米小斑病、瘤黑粉病、茎基腐病、锈病、穗腐病等;鲜食玉米,可选济糯33、京科糯2000、山农甜糯1号、鲁糯005等品种,可抗小斑病、瘤黑粉病、丝黑穗病、矮花叶病毒病、粗缩病等;青储玉米,可选禾丰饲玉3号、山农饲玉1号、泰青饲6号等品种,可抗小斑病、弯孢霉叶斑病、瘤黑粉病、南方锈病、粗缩病等。
 
  (二)播前种子处理。主要防治苗期病害、地下害虫、二点委夜蛾、灰飞虱、蓟马等,减少玉米粗缩病发生。可用含有吡唑醚菌酯、戊唑醇、精甲霜灵、咯菌腈、苯醚甲环唑或氟唑环菌胺等成分的悬浮种衣剂或种子处理剂包衣或拌种,预防玉米丝黑穗病、茎基腐病等;用含有噻虫嗪、吡虫啉、氯氰菊酯、氟虫腈或呋虫胺等成份悬浮种衣剂或种子处理剂包衣或拌种,防治蓟马、灰飞虱、地下害虫等,兼防二点委夜蛾、玉米粗缩病等;也可用杀虫杀菌复配药剂,如9%吡唑酯·咯菌腈·噻虫嗪种子处理微囊悬浮-悬浮剂、3%戊唑·吡虫啉悬浮种衣剂、26%噻虫·咯·霜灵种子处理悬浮剂、24%苯醚·咯·噻虫悬浮种衣剂或20%福·克悬浮种衣剂等,包衣防治蚜虫、灰飞虱、地下害虫、茎基腐病等。针对草地贪夜蛾常发区晚播玉米,可用40%溴酰·噻虫嗪种子处理悬浮剂包衣或拌种。药剂用量按登记用量或用药说明。
 
  (三)适期多措除草。小麦收获后,采用秸秆田间粉碎覆盖,贴茬免耕播种玉米,抑制杂草生长。旋耕灭茬地块可采用播后苗前土壤喷雾封闭处理。选用乙草胺(异丙甲草胺或异丙草胺)+莠去津(氰草津、特丁津、唑嘧磺草胺或异噁唑草酮)桶混喷施,进行土壤封闭处理。苗前未除草地块,可在苗后3~5叶期,进行茎叶喷雾防治。禾本科杂草可用硝磺草酮、噻吩磺隆或烟嘧·莠去津等药剂;阔叶杂草可用氯吡嘧磺隆、唑嘧磺草胺、二氯吡啶酸、氯氟吡氧乙酸(异辛酯)、灭草松或麦草畏等药剂;混合发生可用硝磺草酮、砜嘧磺隆、异噁唑草酮、苯唑草酮、氨唑草酮、硝·烟·莠去津、硝磺·莠去津、烟嘧·莠·氯吡或苯唑·莠去津等药剂。
 
  (四)生物生态调控。推广深耕灭茬,适期播种,单粒精播及配方缓控施肥等科学种植技术;加强田间管理,秸秆粉碎还田,及时清除病虫植株、杂草及玉米播种沟上秸秆,破坏病虫适生场所,减少玉米螟、二点委夜蛾、灰飞虱、叶斑病、根茎病害等病虫基数。结合机械化作业模式,合理间作玉米、花生、大豆等作物,周边地头种植蛇床草、菊科显花植物等,优化农田生态,涵养利用天敌自然控制虫害。适时开展生物防治,田间玉米螟百株落卵量达1.0块~1.5块时,可释放赤眼蜂控制玉米螟种群数量;心叶末期,可亩用0.2%苏云金杆菌颗粒剂300~500克撒施于心叶内,或用200亿孢子/克球孢白僵菌可分散油悬浮剂40~50毫升,对水喷施,防治玉米螟;病情初发期,亩用200亿芽孢/毫升枯草芽孢杆菌70~80毫升,喷雾防治茎基腐病、大斑病等。对于草地贪夜蛾,成虫高峰期,可采用杀虫灯、性诱剂、或生物食诱剂诱杀,降低幼虫密度;或根据实际,涵养利用本地天敌,如小花蝽、布甲、蠼螋等控制幼虫为害;也可释放赤眼蜂、螟黄赤眼蜂、夜蛾黑卵蜂、茧蜂等寄生草地贪夜蛾卵或幼虫,降低田间危害;或在低龄幼虫期喷施生物药剂防治,如甘蓝夜蛾核型多角体病毒、苏云金杆菌、金龟子绿僵菌、球孢白僵菌、短稳杆菌等。
 
  (五)科学用药防治。心叶期,可用高效氯氟氰菊酯、乙酰甲胺磷、氯虫·高氯氟、溴氰菊酯、噻虫·高氯氟等药剂,对水喷雾防治蚜虫、蓟马和红蜘蛛等,兼治玉米螟。防治玉米穗虫,可用含氯虫苯甲酰胺、高效氯氟氰菊酯、甲氨基阿维菌素苯甲酸盐、氟苯虫酰胺、印楝素或虱螨脲等成份的药剂,或用苏云金杆菌或核型多角体病毒等生物药剂,对水喷雾;防治叶斑、穗腐、锈病等,可用吡唑醚菌酯、唑醚•氟环唑、丙环•嘧菌酯等药剂,对水喷雾。草地贪夜蛾低龄幼虫期,优先选择低毒、高效、环境友好药剂喷药防治,如乙基多杀菌素、氟苯虫酰胺、虱螨脲、除虫脲•高效氯氟氰菊酯、氟铃脲•茚虫威、甲氧虫酰肼•茚虫威等。注意科学轮换用药或复配,以免产生抗药性。
 
  三、推进统防统治融合
 
  各地要及早着手,制定重大病虫防治预案,落实防治措施。要结合粮食绿色高质高效创建等项目,大力开展专业化统防统治,做好玉米重大病虫病虫草害大面积规模化防治示范工作。充分发挥专业化防治快速高效的优势,加大大型药械、植保无人机及高杆作物施药器械的推广力度,因地制宜实现村、镇、县整建制统防统治,提高防治效率和效果。积极组织各种形式的专业化防治组织,针对病虫草害发生情况,抓住关键时期、关键节点,综合多种技术措施,协同实施规模化防治,推进多种统防统治技术融合。
 
  麦收后,结合病虫害发生实际,规模化实施秸秆精细粉粹、耕翻灭茬等压低病虫害基数,提高化学除草效果。播种期,根据地下害虫、土传病害和苗期病虫害种类,选择适宜的种子处理剂拌种或包衣。除草关键时期,选用自走式喷雾机等施药器械,大面积统一施药除草。大喇叭口至穗期,科学组配高效杀虫、杀菌剂,规模化推广玉米“一防双减”技术。强化开展统防统治与绿色防控融合,特别是加强大面积生物措施的规模化调控利用,实现玉米病虫长效可持续治理。在草地贪夜蛾、玉米螟、棉铃虫等成虫盛期,大面积规模化利用无人机释放寄生蜂等天敌,有效降低害虫种群基数;也可在卵至低龄幼虫期,规模化喷施绿僵菌、白僵菌、苏云金杆菌、核多角体病毒等微生物菌剂,降低幼虫危害。
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