无人机滴施或拌肥撒施双唑草腈及其复配剂防控机插稻田杂草试验初报
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Experimental Preliminary Report on Control Weeds Using Drone - Assisted Drip or Fertilizer - Mixed Application of Pyraclonil and Its Compounds in Machine Transplanting Rice Fields
MING Liang'，LI Gui'，LOU Yuanlai'，WANG Ke'，ZHOU Jinxin²，SUN Yuchen²，WANG Hongchun 1 （1. Institute of Plant Protection，Jiangsu Academy of Agricultural Sciences，Nanjing 21Oo14，China; 2.Xinghua Modern Agriculture Development Service Center in Jiangsu Province，Xinghua 2257oo，China）
Abstract：Inorder to explore weed control technology in machine transplanting rice fields using drone-assisted drip orfertilizer-mixed applicationof pyraclonilanditscompounds，a large-scale field experiment wasconducted in Xinghua City，Jiangsu Province in 2O24.Theresults showed that7days after machine transplanting rice，control ffects basedon plant and freshweight of pyraclonil 280g/L SC at 50mL/667m2 ，pyracloni ⋅ lisoproturon 420 g/L SC at
80 mL/667 m² and pyraclonil 280g/L SC at40 mL/667 m²+flufenacet 41% SC at 10 mL/667 m² using drone - assisted drip or mixed fertilizer application were over 93% onEchinochloa spp.，Leptochloa chinensis（L.） Nees.， Pontederia vaginalis Burm.f.，Ammannia muliflora Roxb.，and Cyperus diffrmis L.，and wereselectivitytorice. Once applicationofherbicideviadrone-asisteddriporfertilizer-mixedapplicationefectivelycontrolled weeds throughoutthe entiregrowth periodof machinetransplanting rice.Compared totheconventional herbicideapplication method which involved drone-assisted application of bensulfuron-methyl ⋅ pretilachlor 35% WP at 120 g/667 m² mixed with fertilizer3 days before rice transplanting，followed by manual applicationof cyhalofop-butyl 20% EC at 100 mL/667 m2 + penoxsulam 25 g/L OD at 120 mL/667 m² + bentazone 480 g/L SL at 175 mL/667 m² 20 days after transplanting，thisdrone-basedapproach significantlyreduced herbicideusage，saved labor costs，and enhancedthe efficiency of herbicide application.
Keywords：drone-assisted drip;ferilizer-mixedapplication;pyraclonil;compound;weed;control effect;selectivity; mechanically transplanted rice
水稻（OryzasativaL.）机插栽培具有省工、省时、生产效率高等优势，已成为我国主推的水稻栽种方式[1-2]。（剩余8154字）
