摘要
通过在2007～2009年对浙江省三门县何家村生态栽培水稻田连续3年的生态调查发现,在已连续10年不用农药的自然条件下,狼蛛、微蛛等主要天敌与稻飞虱、稻纵卷叶螟等水稻主要害虫在发生动态上存在明显的跟随效应;6～8月蜘蛛对稻飞虱的数量反应呈渐进型的对数回归关系,使得稻飞虱种群处于较低的密度平衡点,控制了稻飞虱种群数量。
Three-year field survey of populations of rice planthoppers,leaffolder and their main predatory natural enemies were carried out in mountainous rice fields in Hejia village,continuously pesticide-free for 10 years,Sanmen county,Zhejiang province.In such natural conditions,the populations of wolf spider and microspider assemblages pursued the temporal population dynamics of planthoppers and leaffolders in a significant way.Furthermore,the existence of progressive-type curves of spatial numerical responses of spiders to planthoppers during the early-mid season resulted in a lower density of planthopper populations in the mid-late season.
出处
《科技通报》
北大核心
2011年第3期371-375,458,共6页
Bulletin of Science and Technology
基金
"973"项目(2010CB126200)
农业公益性行业项目(200803003)
NSFC-IRRI合作项目(30921140407)
ADB(RETA6489)项目
浙江省"三农五方"科技协作计划(SN200804)
关键词
稻飞虱
蜘蛛
数量反应
种群动态
rice planthopper
spider
numerical response
population dynamics
