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 文獻標志碼：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）