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采用三因素五水平二次正交旋转组合设计测得的数据，建立了“新红星”苹果品种第一、第二次生理落果后的结果系数、花序结果率等三个目标函数的回归模型及单因素和双因素互作效应的子模型。通过计算机模拟仿真筛选出提高“新红星”苹果品种坐果率和产量的综合决策方案为：硼 ３． ７１‰～３．７３‰；钼 １．５７‰～１．８７‰；赤霉素 ３９．２７～４９．４０ｍ ｇ／ Ｌ。并充分挖掘模型信息，利用现代统计分析方法优化解析，对单因子效应、双因子互作效应进行了剖析。
Using the data from the quadratic orthogonal rotation combination design of three factors and five levels, the regression model of the three objective functions of the first and second physiological drop-off results of apple fruits of “New Red Star” Single-factor and two-factor interaction of the sub-model. Through computer simulation, the comprehensive decision-making scheme for improving the fruit setting rate and yield of “New Red Star” apple variety was selected: boron 3. 71 ‰ ~ 3.73 ‰; molybdenum 1.57 ‰ ~ 1.87 ‰; gibberellin 39.27 ~ 49.40 m g / L. And fully exploit the model information, the use of modern statistical analysis to optimize the analysis of single factor effects, two-factor interaction effects were analyzed.