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草地貪夜蛾再次來襲,防控技術+植保無人機來護航
2020-08-05
17:07:31
來源:農機網原創 作者:林言 閱讀量:55469
評論
【農機網 編輯視角】 據農業農村部監測,當前在全國22省份的1082個縣發生了草地貪夜蛾,發生北界已達黃河北岸。據了解今年草地貪夜蛾發生早,比去年提前了一個月左右,春季蟲量大、擴散快,對今年的玉米生產構成較大威脅。
草地貪夜蛾相信大家已經并不陌生了,它被稱為“糧食殺手”,是一種破壞力強、適應力強、幾乎沒有天敵的重大害蟲,可對玉米、棉花、小麥、水稻等農作物產生極強的破壞性,嚴重可導致顆粒無收。2018年12月,草地貪夜蛾從緬甸侵入我國云南普洱。2019年,我國22省份發現了草地貪夜蛾幼蟲,實際造成危害面積200多萬畝。今年,草地貪夜蛾卷土重來,并較去年提前了1個月時間,給國家的糧食安全造成了極大威脅。
《草地貪夜蛾防控手冊》發布
今年4月9日,由中國工程院院士、中國農業科學院副院長吳孔明牽頭撰寫的《草地貪夜蛾防控手冊》由中國農業科學技術出版社出版發行,同時面向全國各省(自治區、直轄市)植物保護總站發布了草地貪夜蛾新防控技術。吳孔明院士在報告會上解讀了《草地貪夜蛾防控手冊》,主要內容包括草地貪夜蛾形態特征、生活習性、發生規律、測報技術和防控措施。該書內容翔實、圖文并茂,通俗易懂,是一本農民能看得懂的科普讀物。
據了解,該手冊匯集了一年來針對這一重大農業病蟲害的生物學與成災特點、遷飛規律等的研究成果,以及在此基礎上研發的一整套防控技術,該技術研發形成了生產實用的草地貪夜蛾測報技術體系,一個是草地貪夜蛾自動識別系統,農民、基層植保員用手機拍照或直接上傳圖像就能實時識別;另一個是可提供網絡快捷服務的草地貪夜蛾種群測報系統,通過提供田間調查數據預測種群發生發展動態和防治適期等。目前,部分技術和成果已在云南、廣西、四川、福建、江蘇、山東、河南等地區推廣,也指導了一批大中型病蟲害防治企業的生產,有力增強了草地貪夜蛾防控的信心。
植保無人機來護航
據農業農村部預測,今年下半年全國玉米病蟲害發生8.2億畝次,蟲害5.6億畝次,病害2.6億畝次。其中,草地貪夜蛾將重點危害西南、華南、江南夏秋玉米,云南、廣西等邊境地區發生較重;黃淮海、西北等地發生區域會繼續擴大,總體為點片或零星發生,發生面積為1000萬畝。
面對來勢洶洶的害蟲,農機行業也是防控一份子。在2019 年,憑借著規模作業調度快、效率高等優勢,很多地區的統防統治都將植保無人機選為*的防治工具,植保無人機也在“防控大戰”中貢獻了不少力量。
圖片來源:DJI 大疆農業
2019年DJI 大疆農業聯合全國各地合作伙伴,積極參與各省市植保站、農科院組織的防控工作,對發生蟲情區域的農作物進行
飛防作業,幫助農戶有效滅蟲保產。而為了預防性地針對草地貪夜蛾帶來的危害,2020年1月初,大疆農業在海南開啟了新一年的草地貪夜蛾防控戰,更吹響了全國各地的大疆植保機圍剿草地貪夜蛾的號角,隨著各地統防統治任務的增加,植保無人機的作業面積還將繼續擴大。
極飛也積極響應農業農村部號召,采取有效措施防控草地貪夜蛾。以去年為例,極飛聯合了拜耳作物科學、中農立華等合作伙伴,以廣西橫縣為首戰點,對蟲口密度達到 10 頭/百株的玉米田開展了應急防控,達到98%以上的幼蟲殺死率。而早在2018年,極飛P系列植保無人機已經在非洲市場被應用到了草地貪夜蛾的防治。
圖片來源:極飛科技
結語:據悉,針對當前草地貪夜蛾發生情況,農業農村部已組織各地制定防控方案,布設西南邊境、長江、黃河和長城沿線四條阻擊帶,重點地區防治兩到三遍,全力保護玉米主產區安全。我們也期待植保無人機在這場草地貪夜蛾防控攻堅戰中繼續發揮更大“戰斗力”,為保障農業生產和國家糧食安全做出更大貢獻。
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