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通过以８个甜菜品种（系）为试材，检测块根中Ｋ、Ｎａ、有害Ｎ含量及纯度，作为主要品质性状，以含糖率、根产量和产糖量作为主要农艺性状，采用灰色关联度分析和优势分析法进行统计分析。灰色关联度分析结果表明：加强含糖率的选择，可有效获得含Ｋ较低、纯度较高的材料；增大产糖量的选择压力，兼顾含糖率的选择，很可能获得含Ｎａ较低的材料；而选择高产糖量的同时，兼顾根产量的选择，则会有效地降低有害Ｎ的含量。优势分析结果表明：纯度为品质性状中最优性状，含糖率为农艺性状中准最优性状。
By using 8 beet varieties (lines) as tested materials, K, Na and harmful N contents and purity in root tuber were detected as the main quality traits, with the sugar content, root yield and sugar content as the main agronomic traits, and the gray correlation Degree analysis and advantage analysis method for statistical analysis. The result of gray relational analysis showed that the selection of sugar content could effectively obtain the material with lower K content and higher purity, increase the selection pressure of sugar content and choose the sugar content, Low material; while the choice of high yield of sugar at the same time, taking into account the choice of root yield, it will effectively reduce the content of harmful N. Advantages analysis showed that: the purity of the quality traits of the best traits, sugar content of agronomic traits in quasi-optimal traits.