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白背飞虱种群动态关联分析及预测模型的研究
引用本文:吕雨土 毛文彬. 白背飞虱种群动态关联分析及预测模型的研究[J]. 昆虫知识, 1996, 33(4): 193-195
作者姓名:吕雨土 毛文彬
作者单位:浙江省衢县农业局!324000
摘    要:
根据灰色系统关联分析的基本原理,提出了白背飞虱种群动态的加权关联度预测法。衢县早稻后期白背飞虱发生量与历年6月25~30日平均百丛虫量X_1(t)、同期若虫比例X_2(t)、迟熟品种比例X_3(t)、6月下旬水分积分指数X_4(t)和平均气温X_5(t)等因素的关联序为:X_2(t)>X_1(t)>X_3(t)>X_5(t)>X_4(t)。据此建立的加权关联度预测模型,经12年资料回测和试报验证,结果令人满意。

关 键 词:白背飞虱  关联分析  预测模型

Studies on the relational analysis and the forecasting model of the population dynamics of Sogatella furcifera (Horvath)
Lu Yu-Tu, Mao wen-Bin. Studies on the relational analysis and the forecasting model of the population dynamics of Sogatella furcifera (Horvath)[J]. Entomological Knowledge, 1996, 33(4): 193-195
Authors:Lu Yu-Tu   Mao wen-Bin
Abstract:
According to the basic theory of the relations analysis of grey system, the forecasting model of Sogatella furifera (Horvath) population dynamion is raised in this paper. The results for the test of the pest data showed that the fitting rate was over 95% and that the accuracy of forecast was right.
Keywords:Sogatella furcifera (Horvath)   relational analysis  forecasting model  
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