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随着杂交稻的广泛种植 ,白背飞虱已成为泸州地区水稻的重要害虫。通过对泸州市叙永、合江、泸县和古蔺县1 983～ 1 998年白背飞虱灯诱测报资料和田间系统调查资料的分析 ,结合异地虫情信息交流、天气资料分析 ,明确了泸州地区白背飞虱虫源主要由黔南、桂北及以南稻区经东南气流迁飞而来。分析了其主要降落范围、害虫田间消长规律和影响其大发生的主要气候因子。建立了预测预报模型 ,为指导泸州地区白背飞虱防治提供了科学依据
With the widespread cultivation of hybrid rice, whitebacked planthopper has become an important pest of rice in Luzhou. Based on the data of lure survey of whitebacked planthopper (SBPH) from 1998 to 1998 in Xuyong, Hejiang, Luxian and Gulin counties of Luzhou, and the data of field investigation, the information exchange and weather data analysis of insects, The Luyuan whitebacked planthopper insect mainly by Qiannan, northern Guangxi and south of the area by the Southeast airstream migrated. Analyzed its main scope of the decline, pest and field growth and decline of the main factors affecting the occurrence of major climatic factors. Established a model of forecasting and forecasting, which provided a scientific basis for the control of whitebacked planthopper in Luzhou area