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全國農技中心組織6月全國花生生產技術會商
2024-07-11
10:03:17
來源:全國農技中心 閱讀量:12134
評論
【農機網 熱點關注】 近日,全國農技中心組織6月全國花生生產技術會商會,分析當前各主產區花生生產有利、不利因素,提出今后一個月生產管理主要技術措施。農業農村部花生專家指導組有關專家及花生主產省省級農技推廣部門技術骨干等20余人參加會商。
當前,各產區花生處于不同生長階段,長勢不一。東北產區春花生處于始花期,近期降雨正常偏多,花生苗情和田間長勢整體較好。黃淮、長江流域產區春花生、麥套花生分別處于下針期、盛花期,夏直播花生播種完畢,陸續進入出苗期和幼苗期,6月以來整體降雨偏少,對夏花生播種和春花生生長不利,夏花生出苗率和出苗質量一般,春花生苗情和長勢較常年偏弱。華南產區春花生處于飽果期,降雨偏多,局部形成澇害和漬害。
當前和今后一個月花生生產有利和不利因素并存。東北產區降雨總體比常年偏多2—3成,土壤墑情好,利于花生生長,但易造成花生田間澇漬以及果腐病等土傳病害發生。預計黃淮、長江流域產區7月上中旬降雨充足,利于夏花生苗期生長,但也易造成田間澇漬、春花生徒長、夏花生田間除草困難等;同時,丘陵旱坡地等不具有灌溉條件的田塊易受7月中下旬高溫干旱天氣影響。華南產區正處于“龍頭水”汛期,高溫多雨,易造成漬害和澇害,不利于春花生收獲和秋花生播種。
各地要密切關注天氣變化情況,統籌搞好田間管理,及早做好預警和應對技術預案,降低高溫、干旱、澇害、病蟲害等帶來的損失,防災減災,提質增產。東北產區要及時中耕培土,排水防漬,提高果針入土率,噴施葉面肥增強花生植株抗逆能力,噴施殺菌劑防控莖腐病、白絹病等。黃淮海產區夏花生要及時查苗補種,選用精喹禾靈+乙羧氟草醚+滅草松進行苗后除草,葉面噴施蕓苔素內酯和葉面肥以提苗、壯苗和促花,春花生要及時防治根腐病、葉螨、薊馬、蚜蟲等;旺長的春花生和麥套花生,要及時噴施烯效唑、調環酸鈣,防止倒伏、促進莢果膨大;近期要密切關注天氣變化,防范旱澇急轉。長江流域產區要同時做好抗旱、防汛田間管理,夏播花生要及時查苗補苗、盡早除草,苗弱和受除草劑影響的田塊可噴施磷酸二氫鉀以促進根系發育和植株生長;春花生生長過旺時應及時化控,使用噻呋酰胺提前預防白絹病。華南產區7月處于春花生收獲期,降雨較多,田間積水時應及時疏通排水溝,盡快排干田間積水,搶晴天及時收獲和晾曬,搶收上市。
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