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Position: Home > Articles > Analysis of Regional Distribution of Sitodiplosis mosellana Based on GIS Journal of Henan Agricultural Sciences 2011,40 (5) 124-127

麦红吸浆虫区域分布的GIS分析

作  者：
郁振兴;吴乾坤;武予清;闫凤鸣;李迎刚;蔡朋飞
单  位：
辉县植保站;河南省农业科学院;河南农业大学
关键词：
麦红吸浆虫;地学统计学;地理信息系统;空间分布
摘  要：
运用灌浆期麦穗幼虫调查方法、地学统计学方法以及地理信息系统(GIS),对河南省北部新乡市辉县高庄乡小麦灌浆期麦红吸浆虫(Sitodiplosis mosellana)老熟幼虫种群的空间结构进行了分析,并采用普通克里格插值法模拟了吸浆虫老熟幼虫种群的空间分布。结果表明:辉县高庄乡小麦灌浆期麦红吸浆虫幼虫种群存在空间相关性,其半变异函数模型为指数型,空间格局呈聚集岛屿式分布,东北部和中部地区发生程度高,存在以金章和孙村为中心的2个麦红吸浆虫高发区,发生量呈阶梯式下降。金章、孙村预测发生虫量为每100穗3 168~3 791头。空间分布模拟图有助于从空间角度直观地分析吸浆虫幼虫的发生动态,对小麦吸浆虫防治具有指导意义。
译  名：
Analysis of Regional Distribution of Sitodiplosis mosellana Based on GIS
作  者：
YU Zhen-xing1,2,WU Qian-kun3,WU Yu-qing2,YAN Feng-ming1,LI Ying-gang3,CAI Peng-fei3 (1.College of Plant Protection,Henan Agricultural University,Zhengzhou 450002,China;2.Institute of Plant Protection,Henan Academy of Agricultural Sciences,Zhengzhou 450002,China;3.Huixian Plant Protection Station,Xinxiang 453600,China)
关键词：
Sitodiplosis mosellana;Geostatistics;Geographic information system;Spatial distribution
摘  要：
Sitodiplosis mosellana(Gehin) are important insect pests in winter wheat regions of North China.Understanding its regional distribution is of great importance to the area-wide pest management in wheat production regions.The amount of Sitodiplosis mosellana larvae in every spike at filling stage of wheat was investigated and recorded in Huixian district of Xinxiang city,Henan province,and then the spatial structure of wheat midget population was analyzed based on geographic information system(GIS) and geostatistics.The spatial distribution of wheat midget population was also simulated by ordinary Kriging interpretation.The results showed that the wheat midget population was correlated spatially in the study area.The semivariogram of wheat midget could be described by exponential mode,indicating an aggregated distribution with island style.There were two high incidence areas,with villages of Jinzhang and Suncun as the centers.The predicted amount of larvae was 3168-3791 heads every 100 spikes in the two villages.

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