優(yōu)化稻田植被結(jié)構(gòu)對蜘蛛和稻飛虱的影響

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中圖分類號: S435.112AA+.3 文獻(xiàn)標(biāo)志碼:A 文章編號:1673-6737(2025)04-0034-03
Optimizing the Effect of Vegetation Structure on Spider and Planthopper in Paddy Field
YU Shen-zhou ,SANG Hai-xu*,GUO Li,XING Ya-nan,LIU Yu ,CHE Xi-qing , WANG Jing-shi,MA Xiao-hui,LIU Yuan (Liaoning Institute of Saline-Alkali Land Utilization,Panjin Liaoning 124O1o,China)
Abstract:InordertoinvestigatetheeffectofvegetationstructureoptimizationonspidersandriceplanthopperinPanjin area,theoccurrnceof spidersandriceplanthopperin theoptimizedpaddyfieldandtheconventional paddyfield were investigatedfortwoconsecutiveyears.Theresultsshowedthatthetotalnumberof spidersintheoptimizedpaddyfield wasslightlyhigherthanthatintheconventionalpaddyfieldin2O22and2O23,buttherewasnodiferenceinthe numberof spiderspeciesinthetwotypesof paddy fields.In general,thedynamic trendofspider population was positivelycorelatedwiththeoccurrenceofriceplanthopper.Theoccurrence trendofriceplanthopperinconventional andoptimized fieldswassimilar,withthelowestin June,thengraduallincreasing,andreachingapeak inmid-August. KeyWords:Paddy field;Vegetation;Spider;Planthopper
盤錦地區(qū)水稻栽培歷史悠久,稻田生產(chǎn)由于受水利作業(yè)的影響,周邊一般配置不同寬度的項(xiàng)埂以利于灌溉,壩埂一般種植大豆、留自然雜草帶、裸露土表(除草劑控制),甚至鋪路等方式,這些半自然生境在促進(jìn)稻田內(nèi)天敵群落結(jié)構(gòu)重建、提供天敵種庫資源等方面發(fā)揮了作用[-3。(剩余3221字)