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应用地统计学的原理和方法研究了水稻与白瓜、番茄及玉米等邻作生境内稻纵卷叶螟幼虫和食虫沟瘤蛛的空间格局与变异.结果表明:整个水稻生长过程中稻纵卷叶螟幼虫和食虫沟瘤蛛的空间分布基本为聚集分布,且两者的空间相关变程范围分别为1.91～182.57m和3.70～9.70m;种群密度的等值线图表明,两者在空间及时间上的吻合程度高,说明食虫沟瘤蛛对稻纵卷叶螟幼虫有较强的追随效应和控制作用;不同邻作模式下以白瓜邻作水稻田的控制效果最佳.
Based on the principles and methods of geostatistics, the spatial pattern and variation of rice larvae and insect-borne moth larvae in rice and white melon, tomato and maize were studied. The results showed that during the whole growth period of rice, The spatial distributions of the larvae and the insect-borne moths were mainly aggregated, and their spatial variation range was 1.91 ~ 182.57m and 3.70 ~ 9.70m, respectively. The contour plots of population density showed that the spatial distributions of the two in space and The coincidence degree in time was high, indicating that the insectivore had a strong follow-up effect and control effect on C. medinalis larvae.