优化稻田植被结构对蜘蛛和稻飞虱的影响

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中图分类号： S435.112AA+.3 文献标志码：A 文章编号：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

盘锦地区水稻栽培历史悠久，稻田生产由于受水利作业的影响，周边一般配置不同宽度的项埂以利于灌溉，坝埂一般种植大豆、留自然杂草带、裸露土表（除草剂控制），甚至铺路等方式，这些半自然生境在促进稻田内天敌群落结构重建、提供天敌种库资源等方面发挥了作用[-3。（剩余3221字）