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草地贪夜蛾再次来袭,防控技术+植保无人机来护航

2020-08-05 17:07:31 来源:农机网原创 作者:林言 阅读量:55028 评论

导读:今年,草地贪夜蛾卷土重来,并较去年提前了1个月时间,给国家的粮食安全造成了极大威胁。

  【农机网 编辑视角】 据农业农村部监测,当前在全国22省份的1082个县发生了草地贪夜蛾,发生北界已达黄河北岸。据了解今年草地贪夜蛾发生早,比去年提前了一个月左右,春季虫量大、扩散快,对今年的玉米生产构成较大威胁。
 
  草地贪夜蛾相信大家已经并不陌生了,它被称为“粮食杀手”,是一种破坏力强、适应力强、几乎没有天敌的重大害虫,可对玉米、棉花、小麦、水稻等农作物产生极强的破坏性,严重可导致颗粒无收。2018年12月,草地贪夜蛾从缅甸侵入我国云南普洱。2019年,我国22省份发现了草地贪夜蛾幼虫,实际造成危害面积200多万亩。今年,草地贪夜蛾卷土重来,并较去年提前了1个月时间,给国家的粮食安全造成了极大威胁。

       《草地贪夜蛾防控手册》发布
 
  今年4月9日,由中国工程院院士、中国农业科学院副院长吴孔明牵头撰写的《草地贪夜蛾防控手册》由中国农业科学技术出版社出版发行,同时面向全国各省(自治区、直辖市)植物保护总站发布了草地贪夜蛾新防控技术。吴孔明院士在报告会上解读了《草地贪夜蛾防控手册》,主要内容包括草地贪夜蛾形态特征、生活习性、发生规律、测报技术和防控措施。该书内容翔实、图文并茂,通俗易懂,是一本农民能看得懂的科普读物。
 
  据了解,该手册汇集了一年来针对这一重大农业病虫害的生物学与成灾特点、迁飞规律等的研究成果,以及在此基础上研发的一整套防控技术,该技术研发形成了生产实用的草地贪夜蛾测报技术体系,一个是草地贪夜蛾自动识别系统,农民、基层植保员用手机拍照或直接上传图像就能实时识别;另一个是可提供网络快捷服务的草地贪夜蛾种群测报系统,通过提供田间调查数据预测种群发生发展动态和防治适期等。目前,部分技术和成果已在云南、广西、四川、福建、江苏、山东、河南等地区推广,也指导了一批大中型病虫害防治企业的生产,有力增强了草地贪夜蛾防控的信心。
 
  植保无人机来护航
 
  据农业农村部预测,今年下半年全国玉米病虫害发生8.2亿亩次,虫害5.6亿亩次,病害2.6亿亩次。其中,草地贪夜蛾将重点危害西南、华南、江南夏秋玉米,云南、广西等边境地区发生较重;黄淮海、西北等地发生区域会继续扩大,总体为点片或零星发生,发生面积为1000万亩。
 
  面对来势汹汹的害虫,农机行业也是防控一份子。在2019 年,凭借着规模作业调度快、效率高等优势,很多地区的统防统治都将植保无人机选为*的防治工具,植保无人机也在“防控大战”中贡献了不少力量。

图片来源:DJI 大疆农业
 
  2019年DJI 大疆农业联合全国各地合作伙伴,积极参与各省市植保站、农科院组织的防控工作,对发生虫情区域的农作物进行飞防作业,帮助农户有效灭虫保产。而为了预防性地针对草地贪夜蛾带来的危害,2020年1月初,大疆农业在海南开启了新一年的草地贪夜蛾防控战,更吹响了全国各地的大疆植保机围剿草地贪夜蛾的号角,随着各地统防统治任务的增加,植保无人机的作业面积还将继续扩大。
 
  极飞也积极响应农业农村部号召,采取有效措施防控草地贪夜蛾。以去年为例,极飞联合了拜耳作物科学、中农立华等合作伙伴,以广西横县为首战点,对虫口密度达到 10 头/百株的玉米田开展了应急防控,达到98%以上的幼虫杀死率。而早在2018年,极飞P系列植保无人机已经在非洲市场被应用到了草地贪夜蛾的防治。

图片来源:极飞科技
 
  结语:据悉,针对当前草地贪夜蛾发生情况,农业农村部已组织各地制定防控方案,布设西南边境、长江、黄河和长城沿线四条阻击带,重点地区防治两到三遍,全力保护玉米主产区安全。我们也期待植保无人机在这场草地贪夜蛾防控攻坚战中继续发挥更大“战斗力”,为保障农业生产和国家粮食安全做出更大贡献。
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