机插秧稻田杂草防控技术控草效果比较  

Comparison of Weed Control Effect of Several Weed Control Technologies in Machine-Transplanted Rice Field

作　　者：石旭旭 徐志平 陈明亮 樊灿 汤云鹤 吴艳红 丁荣 金柱明 尹超基 孙国俊 SHI Xu-xu;XU Zhi-ping;CHEN Ming-liang;FAN Can;TANG Yun-he;WU Yan-hong;DING Rong;JIN Zhu-ming;YIN Chao-ji;SUN Guo-jun(Nanjing Huinongqianchonglang Agricultural Technology Co.,Ltd.,Nanjing 211113,China;Changzhou Country Jintan District Planting Technology Extension Center,Changzhou 213200,China)

机构地区：[1]南京惠农千重浪农业科技有限公司,江苏南京211113 [2]常州市金坛区种植业技术推广中心,江苏常州213200

出　　处：《杂草学报》2022年第2期66-72,共7页Journal of Weed Science

基　　金：国家重点研发计划子课题(编号:2016YFD0200503-4);江苏省重点研发计划(编号:BE2019343);江苏省南京市江宁区科技惠民计划(编号:20212021NJNQKJHMJHXM0079)。

摘　　要：2021年利用无人机飞撒2%双唑草腈颗粒剂进行防控机插稻田杂草可行性和效果田间试验。结果表明,大疆T20型多旋翼无人机飞撒双唑草腈颗粒剂650 g/667 m^(2)作业技术参数为仓口设置10%,作业行距设置6 m,飞行速度7 m/s,仓口下转盘转速700 r/min。飞撒双唑草腈对机插稻田主要优势杂草在水稻栽插后60 d的株防效达98%以上,鲜重防效达99%以上,速效性较强且持效期较长。1次封闭+茎叶除草处理与飞撒2%双唑草腈颗粒剂封闭除草处理比较,虽杂草株防效和鲜重防效均相当,但飞撒2%双唑草腈颗粒剂技术方案除草剂用量低,施药成本低,且操作简便、施药均匀。利用无人机适时飞撒2%双唑草腈颗粒剂技术方案可较好地防控机插秧稻田杂草。In 2021,a field test of the feasibility and effect of using unmanned aerial vehicle to spray pyraclonil 2%GR to control weeds in rice fields was carried out.The technical parameters of the DJI T20 multi-rotor UAV flying 650 g/667 m^(2) of pyraclonil 2%GR are as follows:warehouse setting 10%,the working line spacing is 6 m,flight speed is 7 m/s,the rotary speed of the lower turntable at the warehouse mouth is 700 r/min.The plant control effect of fly-spraying pyraclonil GR on the main dominant weeds in machine-transplanted rice field reached more than 98%at 60 days after rice planting,the fresh weight control effect was more than 99%,rapid-acting and persistent bioactivity were stronger.Plant control effect and fresh weight control effect of pre-emergence treatment+foliar treatment were almost the same as that of fly-spraying pyraclonil 2%GR.But in the technology program of fly-spraying pyraclonil 2%GR,it was low herbicide dosage and the application cost,was simple operation,and was uniform application.The technical solution of using drones to spray pyraclonil 2%GR in a timely manner could effectively control weeds in machine-transplanted rice fields.

关 键 词：2%双唑草腈颗粒剂 无人机飞撒 封闭除草 水稻田 

分 类 号：S451.2[农业科学—植物保护]