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Analysis of factors affecting captures of Plodia interpunctella by synthetic sex pheromone traps
Author(s): 
Pages: 321-326
Year: Issue:  3
Journal: ACTA ENTOMOLOGICA SINICA

Keyword:  印度谷螟人工合成性信息素诱捕器影响因素多元线性回归分析;
Abstract: 采用自行设计K式及仿制圆筒式诱捕器,以人工合成性信息素(Z,E)-9,12-tetradecadienyl acetate(简称TDA)为引诱源在实验室条件下对影响诱捕器诱捕印度谷螟Plodia interpunctella效果的几个因素进行分析测定.多元线性回归分析结果表明:日平均温度在18.5~26.2℃,人工合成性信息素TDA散发日数9~37天,温度(X1)、TDA散发日数(X2)、当日释放蛾(雄)量(X3)、累计2日释放蛾量(X4)、累计3日释放蛾量(X5)等5个因素与每日诱捕蛾量间存在着相关关系.对5个因素进行逐步回归分析和筛选,得出线性回归方程:Y=-27.31+1.37X1+0.28X3,回归系数R(0.90)>R0.01(n-2,0.63).统计分析结果表明:日平均温度(X1)、当日释放蛾量(X3)与诱蛾量(Y)之间呈显著线性相关关系.卡方测验表明预测值与实测值之间差异不显著.
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